tag:blogger.com,1999:blog-66375765296192906152024-03-13T14:35:04.419-07:00Ventura River Ecosystempaul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comBlogger542125tag:blogger.com,1999:blog-6637576529619290615.post-60827549662243029332024-03-11T11:31:00.000-07:002024-03-11T13:32:10.477-07:00El Niño winter swells 2023-2024<p> </p><p>The 2023-2024 winter season has had similar coastal impacts as the <a href="https://www.venturariver.org/2015/12/surfers-point-first-real-test.html" target="_blank">2016 El Niño event</a>. Higher sea levels and a signature strong Pacific storm track has focused wave energy and impacted beaches and infrastructure up and down the California coast. In Ventura County, the beaches were stripped of sand exposing those areas most vulnerable to future sea level rise.</p><p>On December 28, 2023, the leading edge of a building pacific swell sent a storm surge over protective walls in the Pierpont neighborhood. </p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoafS86Wsx2eFdJDjDmuQe0O88VUsdL-LjD92khELte_RrE-JulZ3ZYWXy2YkTpbOlE9mc83KyaGKZHi-S8flz-AJsPF-2NrO9oBhCZ3QAUWDSK5nGiP_Uslr8fVrNg5ZORcY-NPGRCNibUlf49eKRVQ150jALgrcEwKgh5-_TmhcQ-IGdqpb51XPynVAh/s2118/roguewavePierpont12-28-2023.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="898" data-original-width="2118" height="272" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoafS86Wsx2eFdJDjDmuQe0O88VUsdL-LjD92khELte_RrE-JulZ3ZYWXy2YkTpbOlE9mc83KyaGKZHi-S8flz-AJsPF-2NrO9oBhCZ3QAUWDSK5nGiP_Uslr8fVrNg5ZORcY-NPGRCNibUlf49eKRVQ150jALgrcEwKgh5-_TmhcQ-IGdqpb51XPynVAh/w640-h272/roguewavePierpont12-28-2023.png" width="640" /></a></div><br /><p>A video of people and cars being flushed up the street went viral and made national news. Ocean water and debris flooded the lanes in the Pierpont neighborhood, and there was some damage to docks at a marina in the Ventura Harbor. </p><p>
<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/c6eLZrHYzgc?si=9teo0Mf_-2rD-Z_S" title="YouTube video player" width="560"></iframe>
</p><p><br /></p><p>In response to this event, the City of Ventura and County firefighting units built three miles of sand berms the length of the developed beaches in Ventura and Oxnard. These berms were removed during the week of March 4 with authorization from the California Coastal Commission and Army Corps of Engineers.</p><p>A pierpont resident was quoted in the news saying, "We did have a breach, as the surge came over into my backyard in December. Then the next day, they put the berm up, and I had no worries after that. It totally disrupted my view, but that's a small price for the protection having all of your stuff ruined." This echos the sentiment of beachfront residents who have resisted efforts to build permanent protective dunes and prevailed in a lawsuit requiring the City of Ventura to remove windblown sand accumulating in front of their properties.</p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWRjD5EoRbpNwpbLJzOJ1uEzUYaukGuX1vmZka18oWk8rrUb7m1kKWtEZftvX701T9ZaC-jiB6J7uSpk59ahXTrShRLq0Bu3w64BPnJ7dvJ7DfBojTwrGGFAVELCX3wAiYNffSjHjCK6zG8t35k4z-2BE2-VDUWtD8M9d0tVei_y6v3SWLsaHlf6Gtc39S/s2016/SandBermOxnardShores3-5-2024.JPG" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1512" data-original-width="2016" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWRjD5EoRbpNwpbLJzOJ1uEzUYaukGuX1vmZka18oWk8rrUb7m1kKWtEZftvX701T9ZaC-jiB6J7uSpk59ahXTrShRLq0Bu3w64BPnJ7dvJ7DfBojTwrGGFAVELCX3wAiYNffSjHjCK6zG8t35k4z-2BE2-VDUWtD8M9d0tVei_y6v3SWLsaHlf6Gtc39S/w400-h300/SandBermOxnardShores3-5-2024.JPG" width="400" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura County Fire Dept removing sand berm<br />Oxnard Shores, 3-5-2024</td></tr></tbody></table><br /><p><br /></p><p>Commentary:</p><p>This event was predictable using the advanced weather and wave models currently available. Surfers regularly use these models to know when the best conditions will occur. In this case the swell had been monitored and tracked as it developed off the coast of Japan and built all the way across the Pacific Ocean. The leading edge of these swells typically have a very long period indicative of the huge amount of energy from the extended "fetch" of high winds transferred to the sea surface. The irony was the "too little too late" emergency response from local government. Better awareness of ocean conditions and long term planning is clearly needed as climate change fuels ever bigger storm systems and rising sea levels. Local tide gages were registering around one foot above the predicted astronomical tide, primarily a result of thermal expansion from the warm water throughout the Pacific Ocean fueled by El Niño. These events are already happening before significant sea level rise. According to the California Coastal Commission we can expect "as much as a 66-inch increase in sea level along segments of California's coast by the year 2100." Under that scenario the Pierpont community will be under water much of the year.</p><p> </p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbaQEkIjARn31WqUrc-_8K8ZYqdsSf6ugvezXD9pg3FXeICrBw6x7ZTv5xHCVLfQMz4D7v20qFTVmDWXektV7lapooRH9b8Bg9cC0B95qR9X8DCR3azo9qvxfpQ6y92fzHPWIQulFtSt8QXqG0e0tS6Tgkh09jMR5MboCxYlslGO6zB_O0zF82tTAZunAt/s1878/StormsurfModelDec2023.png" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1440" data-original-width="1878" height="306" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbaQEkIjARn31WqUrc-_8K8ZYqdsSf6ugvezXD9pg3FXeICrBw6x7ZTv5xHCVLfQMz4D7v20qFTVmDWXektV7lapooRH9b8Bg9cC0B95qR9X8DCR3azo9qvxfpQ6y92fzHPWIQulFtSt8QXqG0e0tS6Tgkh09jMR5MboCxYlslGO6zB_O0zF82tTAZunAt/w400-h306/StormsurfModelDec2023.png" width="400" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Stormsurf wave prediction for 12-28-2023<br /></td></tr></tbody></table><br /><p></p><p>Reference: </p><p>watch the <a href="the Stormsurf videos " target="_blank">Stormsurf videos</a> to learn more about El Niño and ocean wave generation. </p><p><a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwj678Oj8OyEAxXbLUQIHQXIBqoQFnoECBkQAw&url=https%3A%2F%2Fwww.coastal.ca.gov%2Fclimate%2Fslr%2F%23%3A~%3Atext%3DGiven%2520current%2520trends%2520in%2520greenhouse%2Ccoast%2520by%2520the%2520year%25202100.&usg=AOvVaw0CC5sp93Qt8Xz4QVBtPxrQ&opi=89978449">Sea Level Rise - California Coastal CommissionCalifornia Coastal Commission </a></p><p><br /></p><p>In the News:</p><p><a href="https://www.kclu.org/2023-12-28/rogue-wave-injures-eight-damages-some-homes-in-ventura" target="_blank">Rogue wave injures eight, damages coastal motel in Ventura</a>, KCLU | By Lance Orozco, Published December 28, 2023</p><p><a href="https://www.kclu.org/local-news/2024-03-05/temporary-sand-berms-intended-to-prevent-coastal-flooding-are-being-removed-in-ventura-county" target="_blank">Temporary sand berms intended to prevent coastal flooding are being removed in Ventura County</a>, KCLU | By Lance Orozco, Published March 5, 2024</p><p><a href="https://www.vcstar.com/picture-gallery/news/local/2023/12/29/see-damage-from-heavy-surf-in-venturas-pierpont-neighborhood/72060432007/" target="_blank">See damage from heavy surf in Ventura's Pierpont neighborhood</a>, VC Star, Dec 29, 2023</p><p><br /></p><p>On this blog:</p><p><a href="https://www.venturariver.org/2015/12/surfers-point-first-real-test.html">Surfers Point - first real test</a></p><p><br /></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-61370619375403783822024-01-25T10:41:00.000-08:002024-03-12T10:05:23.493-07:00Watching the dams come out: Klamath River<p>Last year the <a href="https://www.venturariver.org/2023/05/klamath-river-dam-removal-begins.html" target="_blank">removal of four dams on the Klamath River</a> began. This week the fourth dam, Copco No. 1, was breached setting the stage for the physical removal of all four dams this spring and summer.</p><p>Video of the drawdown demonstrates what is becoming one of the the standard dam removal methods, blasting a hole in the lower part of the dam to drain the reservoir and release the sediments trapped upstream.</p><p><br /></p>
<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen="" frameborder="0" height="442" src="https://www.youtube.com/embed/SEAuGu6zp-0" title="COPCO 1 DRAWDOWN DAM BLAST. Klamath River, California" width="785"></iframe>
<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/klBaDOCOshA?si=F9pyW27S2iaDmOgM" title="YouTube video player" width="560"></iframe><div><br /></div><div><br /></div><div>In the news:</div><div><br /></div><div><a href="https://www.opb.org/article/2024/01/24/fourth-dam-breached-on-the-klamath-river/" target="_blank">Fourth dam breached on the Klamath River </a></div><div><br /></div><div><a href="https://www.opb.org/article/2024/01/24/klamath-dam-removal-reservoir-drawdown/" target="_blank">Checking in on the next phase of Klamath dam removal</a></div><div><br /></div><div><div><a href="https://www.npr.org/2024/01/12/1224494403/klamath-river-begins-to-flow-again-with-dam-removal-project" target="_blank">No turning back: The largest dam removal in U.S. history begins</a>, NPR Jan 13, 2024, Heard on All Things Considered</div><div><br /></div><div>On this blog:</div><div><br /></div><div><a href="https://www.venturariver.org/2023/05/klamath-river-dam-removal-begins.html" target="_blank">Klamath River dam removal begins</a></div><div><br /></div><div><a href="https://www.venturariver.org/search/label/dam%20removal" target="_blank">dam removal</a></div><div><br /></div><div><br /></div></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-84176000212125299082024-01-22T17:04:00.000-08:002024-03-12T10:06:31.623-07:00More Watershed Education<p> Since 2021 the Merito Foundation has organized the Ventura River Action Network for 6th through 12th graders. </p><blockquote style="border: none; margin: 0 0 0 40px; padding: 0px;"><p style="text-align: left;"><i><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjkfeP3Qs07Y_eS0AlNFkTNzIIu0bvd_7E48GItg7OAggDpSwrGWGByJglVeKfL90LXxwArUIYB7cY2G_yW8Mcs8fEeYq8oyR64gL8w2hhfBcvUVlL-KKpW-DbizyXcx27oahyNwCxYg0VTYLYylnn69POxKfolgavqTj6avhkjJunmWqdoinw1qPkAZ0v8" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="1476" data-original-width="2202" height="428" src="https://blogger.googleusercontent.com/img/a/AVvXsEjkfeP3Qs07Y_eS0AlNFkTNzIIu0bvd_7E48GItg7OAggDpSwrGWGByJglVeKfL90LXxwArUIYB7cY2G_yW8Mcs8fEeYq8oyR64gL8w2hhfBcvUVlL-KKpW-DbizyXcx27oahyNwCxYg0VTYLYylnn69POxKfolgavqTj6avhkjJunmWqdoinw1qPkAZ0v8=w640-h428" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"><a href="https://www.meritofoundation.org/venturariveractionnetwork">https://www.meritofoundation.org/venturariveractionnetwork</a></td></tr></tbody></table></i></p></blockquote><p> </p><blockquote style="border: none; margin: 0 0 0 40px; padding: 0px;"><p style="text-align: left;"><i></i></p><div class="separator" style="clear: both; text-align: center;"><i><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjkfeP3Qs07Y_eS0AlNFkTNzIIu0bvd_7E48GItg7OAggDpSwrGWGByJglVeKfL90LXxwArUIYB7cY2G_yW8Mcs8fEeYq8oyR64gL8w2hhfBcvUVlL-KKpW-DbizyXcx27oahyNwCxYg0VTYLYylnn69POxKfolgavqTj6avhkjJunmWqdoinw1qPkAZ0v8" style="margin-left: 1em; margin-right: 1em;"></a></i></div><i>The V-RAN program includes Professional Development (PD) outdoors in the field, PD webinars, Science Curricula, and stipends to science teachers of VUSD enrolled in the program. The teachers' students (~600-700 per school year) are participating in in-class science activities, virtual and in the field youth community science experiences at Ventura River Watershed, and project-based learning through the EECCOA Challenge (a green STEM competition) with cash and in-kind prizes for students, and funds to implement the most cost-effective proposal to reduce the carbon footprint of the school campus authored by the students. <br /></i><p></p></blockquote><p>The program includes field trips to monitor the river and visit Matilija Dam. Visit the Story Map to learn more:</p><p><br /></p><p><br /></p><p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiaBsqE_twXgJRGIKfwfFZYaPRRyuxtqYPa2_9t2fUDehxlZcvf3zMCZ6tzGYNnNueZjqDCLoDLOmWhnEHMopHXO_90oxWZ9qTVIcFanUi_SIS87mrT2glS7FC8FcifXaX0dUEgviOdNe5ItAgvwSsZRWA0F-unNcT7jQiq_KVMjqJcrr7d4nCPgkMiRaWH" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="2606" data-original-width="2518" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEiaBsqE_twXgJRGIKfwfFZYaPRRyuxtqYPa2_9t2fUDehxlZcvf3zMCZ6tzGYNnNueZjqDCLoDLOmWhnEHMopHXO_90oxWZ9qTVIcFanUi_SIS87mrT2glS7FC8FcifXaX0dUEgviOdNe5ItAgvwSsZRWA0F-unNcT7jQiq_KVMjqJcrr7d4nCPgkMiRaWH=w619-h640" width="619" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"><a href="https://storymaps.arcgis.com/stories/4d93e82e5977448996aa64ba1e3d18a2">https://storymaps.arcgis.com/stories/4d93e82e5977448996aa64ba1e3d18a2</a></td></tr></tbody></table><br /> </p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-47992555862341726742023-12-18T13:55:00.000-08:002023-12-18T13:58:02.959-08:00Watershed Council Visits Dam<p>On December 14, 2023, the <a href="https://venturawatershed.org" target="_blank">Ventura River Watershed Council</a> featured the <a href="https://www.vcpublicworks.org/wp/mderp-seir-nop/" target="_blank">Matilija Dam Ecosystem Restoration Project (MDERP)</a>. This is the biggest project currently underway in the watershed and regular updates have been provided in this public forum over the years. The meeting included a short presentation and discussion in the Oak View Community Center followed by a guided tour of the dam and surrounds. The presentation and past meetings can be found here: <a href="https://venturawatershed.org/past-meetings">https://venturawatershed.org/past-meetings</a></p><p>Ventura County has initiated the CEQA environmental review process for the updated plan for dam removal. Scoping comments are accepted until December 20 at the link above. This meeting gave people an opportunity to see the dam up close and ask questions about planning for the removal of this obsolete structure on the Ventura River. </p><p><br /></p><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiQ38mg1wZ5-pkIrFcHFR3eEnz7TrhIpyRYtAx8scHwUM1MRAiV50msDMmMzq_RH0_B0qArgQ-F5OcK9wj5xJwqfQ4huHrrFPPSFx8U--HdblkgK2uSOQvB0kNHTsz-usWiitVBazgaXagn2_DQKkX4dlbGeRHL_3CZsB5G3b1VeBaAyWTZGrPBYvDqNQn9" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="1512" data-original-width="2016" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEiQ38mg1wZ5-pkIrFcHFR3eEnz7TrhIpyRYtAx8scHwUM1MRAiV50msDMmMzq_RH0_B0qArgQ-F5OcK9wj5xJwqfQ4huHrrFPPSFx8U--HdblkgK2uSOQvB0kNHTsz-usWiitVBazgaXagn2_DQKkX4dlbGeRHL_3CZsB5G3b1VeBaAyWTZGrPBYvDqNQn9=w640-h480" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Project engineer Kirk Norman presents an overview of the project </td></tr></tbody></table><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhwg61qXBnojzffg6vF3yD676K654E14cCPXPDcddtYg--ijdkRLlo-DBQpDSyz3A2vYCfQafUDGiKANBBTGwMwX4dORY78CZVi6dPJawdrfCMh0b2knspi1l1208grc1oZzPRnyqjnVmetUBbKvV_Puo2esHz9VIVaVsypHNFev1nC9gZd1lVbD8Rn3ATf" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="1512" data-original-width="2016" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEhwg61qXBnojzffg6vF3yD676K654E14cCPXPDcddtYg--ijdkRLlo-DBQpDSyz3A2vYCfQafUDGiKANBBTGwMwX4dORY78CZVi6dPJawdrfCMh0b2knspi1l1208grc1oZzPRnyqjnVmetUBbKvV_Puo2esHz9VIVaVsypHNFev1nC9gZd1lVbD8Rn3ATf=w640-h480" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura County biologist and CEQA lead Pam Lindsey discusses Matilija Dam</td></tr></tbody></table><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEi7EgIXP_cnyiBFSYN96itiesdDkgDZ_qaCtPJClx8OzwYPgqvIbsB5PW2bBJvpjqtIKI5VmZeoC7B3iNO5qVWJMHN8WV5ZT7SWo0SetzGA6pRaOUnL2XunhXqmOr7lG4QsqVrdZdLNcp6OiQfys0cZOyqlCAc5sj0GFd8L6W2f7poEFa7afbbxnXCJuFT8" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="2016" data-original-width="1512" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEi7EgIXP_cnyiBFSYN96itiesdDkgDZ_qaCtPJClx8OzwYPgqvIbsB5PW2bBJvpjqtIKI5VmZeoC7B3iNO5qVWJMHN8WV5ZT7SWo0SetzGA6pRaOUnL2XunhXqmOr7lG4QsqVrdZdLNcp6OiQfys0cZOyqlCAc5sj0GFd8L6W2f7poEFa7afbbxnXCJuFT8=w480-h640" width="480" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura County biologist and CEQA lead Pam Lindsey discusses Matilija Dam</td></tr></tbody></table><br /></div><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEg7jiMnjTD9Ryp1CrnaTN45-nJCmgMU61tSKLeWZCQm3OtQta-jJPBDiS_2FEpgVNfOJrdCA8QcKkP69RSP000byxND67DUtnck7yKdQmPxXHFVAXwK5K_6S_gYGlKtsM5L95mf0QbGUgsQYj5pBOvB6qjh9a6xU51p5NoUxYxEntxRdCSuqLCdD_0-x67r" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="4032" data-original-width="3024" height="640" src="https://blogger.googleusercontent.com/img/a/AVvXsEg7jiMnjTD9Ryp1CrnaTN45-nJCmgMU61tSKLeWZCQm3OtQta-jJPBDiS_2FEpgVNfOJrdCA8QcKkP69RSP000byxND67DUtnck7yKdQmPxXHFVAXwK5K_6S_gYGlKtsM5L95mf0QbGUgsQYj5pBOvB6qjh9a6xU51p5NoUxYxEntxRdCSuqLCdD_0-x67r=w480-h640" width="480" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Matilija Coalition coordinator Paul Jenkin at Matilija Dam</td></tr></tbody></table><br /><br /></div></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiS4FCM1M59m80nuoWLN6PF1NtDPPVBDBNN2LPJbBfCSGPpA4YA4RevOgoaD4YLStv29v_-yHxUiuRw4C4lFfhZNDvrR-bRMCSDus0xsvaEEI_fWw64nkyUjo8eK6NLSF-VBkLlUxI6iKkb0GLRYK0qmMHu82TUoAraIX-vTYCqa-bSQ1vweVbW8Kp0aK97" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="1512" data-original-width="2016" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEiS4FCM1M59m80nuoWLN6PF1NtDPPVBDBNN2LPJbBfCSGPpA4YA4RevOgoaD4YLStv29v_-yHxUiuRw4C4lFfhZNDvrR-bRMCSDus0xsvaEEI_fWw64nkyUjo8eK6NLSF-VBkLlUxI6iKkb0GLRYK0qmMHu82TUoAraIX-vTYCqa-bSQ1vweVbW8Kp0aK97=w640-h480" width="640" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEju1lKI00LF8IxUwQQJmsXfFjRPyWWiEEhA9OrjvNQwen2syhEeCWkT6poJOGc-liCUpGdaEwu31lAb3qGxVLL3y4hzp2Hn8Z9OOIbuAP9VfxfMifUtnm2QkeZHhZnyivmdZ_E-NuyIwCzhMeqFRR-qmc_V5zpqERGZKhi8TXT2-kNMLA9EpNL0gxpwRgit" style="margin-left: 1em; margin-right: 1em;"></a><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEju1lKI00LF8IxUwQQJmsXfFjRPyWWiEEhA9OrjvNQwen2syhEeCWkT6poJOGc-liCUpGdaEwu31lAb3qGxVLL3y4hzp2Hn8Z9OOIbuAP9VfxfMifUtnm2QkeZHhZnyivmdZ_E-NuyIwCzhMeqFRR-qmc_V5zpqERGZKhi8TXT2-kNMLA9EpNL0gxpwRgit" style="margin-left: 1em; margin-right: 1em;"><br /></a><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEju1lKI00LF8IxUwQQJmsXfFjRPyWWiEEhA9OrjvNQwen2syhEeCWkT6poJOGc-liCUpGdaEwu31lAb3qGxVLL3y4hzp2Hn8Z9OOIbuAP9VfxfMifUtnm2QkeZHhZnyivmdZ_E-NuyIwCzhMeqFRR-qmc_V5zpqERGZKhi8TXT2-kNMLA9EpNL0gxpwRgit" style="margin-left: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/a/AVvXsEip7UvnYl6O13CXz4llwR2Crm3n40zl3NdpORjT-Yn2nLJb5nUJUNwcYc65E_V-FjWJQNg_Yo1_rD9s74CbV82tXPFBoHq2vvPB7FiypsazJe_Y1ubT2ZzBUz3dlcJXj3-IOp7MZBbgWya07DEP4USK8ZZ4CCJa1nr0HjpuoabEYE5WHEQNu8KfgXjn-q3p" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="1512" data-original-width="2016" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEip7UvnYl6O13CXz4llwR2Crm3n40zl3NdpORjT-Yn2nLJb5nUJUNwcYc65E_V-FjWJQNg_Yo1_rD9s74CbV82tXPFBoHq2vvPB7FiypsazJe_Y1ubT2ZzBUz3dlcJXj3-IOp7MZBbgWya07DEP4USK8ZZ4CCJa1nr0HjpuoabEYE5WHEQNu8KfgXjn-q3p=w640-h480" width="640" /></a></div></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><img alt="" data-original-height="1512" data-original-width="2016" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEju1lKI00LF8IxUwQQJmsXfFjRPyWWiEEhA9OrjvNQwen2syhEeCWkT6poJOGc-liCUpGdaEwu31lAb3qGxVLL3y4hzp2Hn8Z9OOIbuAP9VfxfMifUtnm2QkeZHhZnyivmdZ_E-NuyIwCzhMeqFRR-qmc_V5zpqERGZKhi8TXT2-kNMLA9EpNL0gxpwRgit=w640-h480" width="640" /></div><br /><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjXihTppzsBwFoddpHOmTdi1T9zPC6pjIIIhJ8i-h6wTEWVmn5eG_LRTJMiJthxs3SKuSgDs_Av2qJYEBfKZED7eD2Uu7TxIGVRS66PKA-pi4CfoMNslTqMiohJwN3LNXDIFYv9dUsl9hL-a1q2Lf-N5BesvLlXK8fnFLDNh-AiSfEgorHPdE079M-nlTjm" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="1512" data-original-width="2016" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEjXihTppzsBwFoddpHOmTdi1T9zPC6pjIIIhJ8i-h6wTEWVmn5eG_LRTJMiJthxs3SKuSgDs_Av2qJYEBfKZED7eD2Uu7TxIGVRS66PKA-pi4CfoMNslTqMiohJwN3LNXDIFYv9dUsl9hL-a1q2Lf-N5BesvLlXK8fnFLDNh-AiSfEgorHPdE079M-nlTjm=w640-h480" width="640" /></a></div><br /><br /><br /><p></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-36656714079962835672023-12-08T20:26:00.000-08:002024-02-01T12:59:27.543-08:00Watershed Education<p> </p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmgVAgEDxjTzsdaunz-5NY8gDf3oJk2QbUbnsF31Do0ZFAuPp-9LFBanlDm1VIJglQSi6PQXY_CYibya_z3-E4px9z_YEzVIBFh3PkAsrbdC-l6S2fZudozBxlT4MZ2-cLE56a0y4AhTPADxw2JrvVa9FY2gIw7PCbYLVqsFbNA5FFeBQmCkQV0tZBHTk7/s2590/LessonsattheDamNov13,2023.png" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1990" data-original-width="2590" height="492" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmgVAgEDxjTzsdaunz-5NY8gDf3oJk2QbUbnsF31Do0ZFAuPp-9LFBanlDm1VIJglQSi6PQXY_CYibya_z3-E4px9z_YEzVIBFh3PkAsrbdC-l6S2fZudozBxlT4MZ2-cLE56a0y4AhTPADxw2JrvVa9FY2gIw7PCbYLVqsFbNA5FFeBQmCkQV0tZBHTk7/w640-h492/LessonsattheDamNov13,2023.png" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"><a href="https://www.ojaivalleynews.com/news/education/lessons-at-the-dam/article_1ed6c72a-7f86-11ee-9840-a325c5f6d95e.html">OjaiValleyNews.com</a></td></tr></tbody></table><br /><p>For more than a decade, Once Upon a Watershed has provided environmental education to local schools. The program introduces our watershed to hundreds of students every year both in the classroom and field trips along the river. This originated from "Once upon a Wetland" engaging students in hands-on restoration at the <a href="https://www.venturariver.org/2009/02/ojai-meadows-preserve.html">Ojai Meadows Preserve</a> and featured in <a href="https://vimeo.com/20269898" target="_blank">Watershed Revolution</a>. This locally produced film was aired nationwide on PBS. </p><p>The current program is housed under <a href="https://www.crewojai.org" target="_blank">The CREW</a>, which has secured a permit from County government to take groups of students and others up to the obsolete Matilija Dam.</p><blockquote style="border: medium; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><p><i>The tours also help demonstrate why the dam, located on 400 acres owned by the County of Ventura, needs to come down. “The single most important thing for the health of the Ventura River watershed is to remove Matilija Dam,” White said.</i></p><p><i>Despite the Ventura County Board of Supervisors approving the removal of the dam in 1998, said White, “the fact that we’re still here 25 years later looking at this big slab of concrete is somewhat frustrating.”</i></p><p><i>Not only does the dam block sediment from moving downstream and replenishing the beaches, it blocks passage of endangered southern steelhead, White told students.</i></p><p><i>What’s more, sediment backfilling the dam has tailed back so far that, in places, it’s actually made the creek higher than the access road into the canyon. “So whenever there is a flood the road gets taken out,” White said, “and that’s problematic for the people who are living in Matilija Canyon, because it’s one road in and out.” During January’s heavy downpours, residents had to be flown in and out of the canyon by helicopter.</i></p><p><i>Nearly all the public schools Once Upon a Watershed works with are Title 1 schools, “which indicates they’re in a disadvantaged or low income community,” said White, who takes fourth-, fifth- and six-graders to different places in the watershed. “We’re based in Ojai and so we run programs primarily in the Ventura River watershed.”</i></p><p><i>Once Upon a Watershed is funded by grants and operates on an annual budget of approximately $100,000, White said. OVS has been highly supportive of the program, he added.</i></p><p><i>“It’s such an important thing for young people to understand where our water comes from,” said sixth-grade teacher Ryan Lang, who grew up in Matilija Canyon and still resides there.</i></p></blockquote><p><br /></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPFr3XsnxVXlqObbFJirlHcggRXG6cgwEJehsiAHRv2KyQnwTJDhmJr4l2G02Vzfnq0sUX5_tF4jkVFRSrVmiw6JP7r2Vg7jmZxJTsESof232IHnv9amkwVrukTmxfC-6pShyphenhyphenkFbNhowR7jwLcRJpdMma9zmb93jThxttk0_12b1CRLBaJly3Pm4SLFuAR/s3302/Screen%20Shot%202023-12-12%20at%206.31.07%20PM.png" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1606" data-original-width="3302" height="312" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPFr3XsnxVXlqObbFJirlHcggRXG6cgwEJehsiAHRv2KyQnwTJDhmJr4l2G02Vzfnq0sUX5_tF4jkVFRSrVmiw6JP7r2Vg7jmZxJTsESof232IHnv9amkwVrukTmxfC-6pShyphenhyphenkFbNhowR7jwLcRJpdMma9zmb93jThxttk0_12b1CRLBaJly3Pm4SLFuAR/w640-h312/Screen%20Shot%202023-12-12%20at%206.31.07%20PM.png" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Once Upon a Watershed website features an interactive image map</td></tr></tbody></table><p><br /></p><p>Link to: </p><p><a href="https://www.onceuponawatershed.org/matilija-watershed-mural" target="_blank">Once Upon a Watershed mural</a></p><p><a href="https://vimeo.com/20269898" target="_blank">Watershed Revolution film</a> </p><p><a href="https://oakgroveschool.org/sixth-grade-field-trip-to-matilija-dam/" target="_blank">Oak Grove School - Sixth Grade Trip to the Dam</a></p><p><br /></p><p>On this Blog:</p><p><a href="https://www.venturariver.org/2009/05/watershed-revolution.html">Watershed Revolution</a></p><p><a href="https://www.venturariver.org/2011/05/once-upon-watershed.html">Once Upon a Watershed</a></p><p><a href="https://www.venturariver.org/2021/03/the-story-of-our-river.html">The Story of Our River</a></p><p><a href="https://www.venturariver.org/2016/11/salmon-run-2016.html">Salmon Run 2016</a></p><p><a href="https://www.venturariver.org/2009/02/ojai-meadows-preserve.html">Ojai Meadows Preserve</a></p><p><a href="https://www.venturariver.org/2022/06/matilija-dam-student-video.html">Matilija Dam Student video</a> - Merito Foundation program</p><p><br /></p><p><br /></p><a href="https://vimeo.com/20269898"></a><p><br /></p><p>In the News:</p><p><a href="https://www.ojaivalleynews.com/news/education/lessons-at-the-dam/article_1ed6c72a-7f86-11ee-9840-a325c5f6d95e.html" target="_blank">Lessons at the Dam</a>, by Perry Van Houten, Ojai Valley News, Nov 9, 2023 Updated Nov 13, 2023 </p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-66137629933218596982023-12-01T14:32:00.000-08:002023-12-01T14:34:31.416-08:00Headwaters to Ocean (H2O) Conference<p>The California Shore and Beach Preservation Association (CSBPA) and Beach Erosion Authority for Clean Oceans and Nourishment (BEACON) organized the 2023 Headwaters to Ocean (H2O) Conference. This was the first big in-person gathering of professionals involved in watershed and coastal health, restoration, and management since the COVID pandemic.</p><p>On Tuesday November 28, BEACON convened their science advisory panel and stakeholders for a morning meeting followed by lunch and guided tour of the Surfers' Point Managed Shoreline Retreat Project. </p><p>H2O was a two day conference held in the Crowne Plaza Hotel on Ventura Beach on November 29-30. </p><blockquote style="border: medium; margin: 0px 0px 0px 40px; padding: 0px;"><p style="text-align: left;"><i>The H2O conference serves as a catalyst for collaboration across various fields, industries, institutions, and organizations united by their shared interests in topics related to water, oceans, coastal environments, sediment management, resilience, and the intersections between terrestrial and marine systems. </i></p></blockquote><p>A session on Surfers' Point included presentations from Paul Jenkin, Surfrider Foundation, Bob Battalio, ESA, Dave Hubbard, CRC, and Kiki Patsch, CSUCI. The talks covered the history, engineering, dunes, and monitoring.</p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgpmU5DnRYgo22fyFxEB6F8s573x0qXpNnp24i7l1a5w25GyUOdRjQhgD838MmlQrWDvGb2eXmvuC2s74uYmckhC4AXOw36JF3BEMFixHUAVMr3DsVFh8az9V21R--TmXdT1HQ09t-FsKL1YR9FkEbbEkpvx0upXqqrMSN57wVjag3RD_NPzzaEtcLH-kJy" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="920" data-original-width="1524" height="193" src="https://blogger.googleusercontent.com/img/a/AVvXsEgpmU5DnRYgo22fyFxEB6F8s573x0qXpNnp24i7l1a5w25GyUOdRjQhgD838MmlQrWDvGb2eXmvuC2s74uYmckhC4AXOw36JF3BEMFixHUAVMr3DsVFh8az9V21R--TmXdT1HQ09t-FsKL1YR9FkEbbEkpvx0upXqqrMSN57wVjag3RD_NPzzaEtcLH-kJy" width="320" /></a></div><br /><br /><p></p><p>Paul Jenkin presented the lunchtime plenary talk, "A Lifetime of Coastal Activism; A Retrospective" or "Headwaters 2 Ocean; Ventura River, a Case Study"</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBcTtMp-gIcjypgaR_9xMKYx2ZiQsoChFKA0EV5-ScRYqKZLLpqpBp4g8q42Hv7Fte8hmlitGLZNecTNfZKWR9g6KauxHl8TprN11m4Zzk7kUJaKXyd_uHvpVSb0m9_sUzQ2lf9CM6NzxrGJ2QoAenWvbJ57X5qq33OvoeMOAkw_ayR-e-PawaBnvhprq_/s1608/JENKIN%20Plenary%20H2O.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1132" data-original-width="1608" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBcTtMp-gIcjypgaR_9xMKYx2ZiQsoChFKA0EV5-ScRYqKZLLpqpBp4g8q42Hv7Fte8hmlitGLZNecTNfZKWR9g6KauxHl8TprN11m4Zzk7kUJaKXyd_uHvpVSb0m9_sUzQ2lf9CM6NzxrGJ2QoAenWvbJ57X5qq33OvoeMOAkw_ayR-e-PawaBnvhprq_/s320/JENKIN%20Plenary%20H2O.png" width="320" /></a></div><br /><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>H2O Conference Website: <a href="https://asbpa.org/2023/08/15/h2o-2023-conference/">https://asbpa.org/2023/08/15/h2o-2023-conference/</a></p><p> </p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-12876504846501600372023-10-30T10:18:00.002-07:002023-10-30T10:18:04.633-07:00Matilija Dam Geology<p>A 2007 presentation for the annual meeting of the Association of Environmental and Engineering Geologists provides an overview of the geologic setting of Matilija Dam. The presentation illustrates the presence of geologic faults and foundation problems with the dam.</p><p><br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLd6sMG-9t5IUOUBwL4hBJoYDS_LiPeQnQWslt4qc9oruVLQPoPY46VbObIdCS1rEgxX_TURBnQyMTFaoi6smuDvtEH6qyNd4m9pNzsGwT1tkkbma_PczUPgeItFxJdfkLAEGDeuS-cLPcRWd2Zu0o_k4Sv0x0pzjdR7weZpD9GOkdUSwwmgOSuIsHxrfT/s3294/MatilijaDamGeology1.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2472" data-original-width="3294" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLd6sMG-9t5IUOUBwL4hBJoYDS_LiPeQnQWslt4qc9oruVLQPoPY46VbObIdCS1rEgxX_TURBnQyMTFaoi6smuDvtEH6qyNd4m9pNzsGwT1tkkbma_PczUPgeItFxJdfkLAEGDeuS-cLPcRWd2Zu0o_k4Sv0x0pzjdR7weZpD9GOkdUSwwmgOSuIsHxrfT/w400-h300/MatilijaDamGeology1.png" width="400" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBKtA2zse-l-eZY-8gAdNF63anQ-P6O5PSGOrCZgiRg5AXT7FApzPhbpepfsURpai8qIIn6iJ9VsY5VbAKi0MdO4fjM0dHjBbafFvPahI3XN6i5Och0pEoXH2kYDAzQ92VpV-0gXg165pHCDUCZiBbwUi1YZL3qB6n7c54LbpLJqyBnzJQssuFJn4EkP2I/s3300/MatilijaDamGeology2.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2470" data-original-width="3300" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBKtA2zse-l-eZY-8gAdNF63anQ-P6O5PSGOrCZgiRg5AXT7FApzPhbpepfsURpai8qIIn6iJ9VsY5VbAKi0MdO4fjM0dHjBbafFvPahI3XN6i5Och0pEoXH2kYDAzQ92VpV-0gXg165pHCDUCZiBbwUi1YZL3qB6n7c54LbpLJqyBnzJQssuFJn4EkP2I/w400-h300/MatilijaDamGeology2.png" width="400" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdCLKT3V2z0aFTo0Uwj9OVWJxYvqrVh_bo6Jz8iT77er8U9WpIo1Nq3Ks4dokW1OyCMhPUae5ZcttME0Io47ORh7GfHJF2pJOnnXNOV-I1kgXxlthsu58U9CvMgfdsw3hySkMYBwJDP8_jqvdusTKjC-pRE7Jz0uGWDf5alz2gKn6Y5LGg-jplMQ7_FfwF/s3296/MatilijaDamGeology3.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2466" data-original-width="3296" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdCLKT3V2z0aFTo0Uwj9OVWJxYvqrVh_bo6Jz8iT77er8U9WpIo1Nq3Ks4dokW1OyCMhPUae5ZcttME0Io47ORh7GfHJF2pJOnnXNOV-I1kgXxlthsu58U9CvMgfdsw3hySkMYBwJDP8_jqvdusTKjC-pRE7Jz0uGWDf5alz2gKn6Y5LGg-jplMQ7_FfwF/w400-h299/MatilijaDamGeology3.png" width="400" /></a></div><br /><p>The presentation also includes a description of the alkali aggregate reaction that compromised the strength of the concrete and led to the 1965 "notching" to lower the dam crest.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghP4-fzmo7M2a9gN_oEj-GoxP6VyXlXKwWEK9yqHYhfVCjAZQLacU4gyPafFnXqEOwh7OdVDsxK0Y9MUQgxfxkdqT0ibHnu8FluHX1XBVih2u_yZ1uGOKuq6CbVAE4Mrsac72OPxfaOPenLByo1bAHWdPnx5PWvR7-_kA03uzbzcqCQmxxnK56A0Hx5_lR/s3296/MatilijaDamGeology4.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2466" data-original-width="3296" height="299" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghP4-fzmo7M2a9gN_oEj-GoxP6VyXlXKwWEK9yqHYhfVCjAZQLacU4gyPafFnXqEOwh7OdVDsxK0Y9MUQgxfxkdqT0ibHnu8FluHX1XBVih2u_yZ1uGOKuq6CbVAE4Mrsac72OPxfaOPenLByo1bAHWdPnx5PWvR7-_kA03uzbzcqCQmxxnK56A0Hx5_lR/w400-h299/MatilijaDamGeology4.png" width="400" /></a></div><br /><p>The complete talk may be downloaded here:</p><p><a href="https://web.mst.edu/rogersda/dams/Matilija%20Dam%20Removal-compressed.pdf" rel="nofollow" target="_blank">THE CASE FOR REMOVING MATILIJA DAM</a>, J. David Rogers, Ph.D., P.E., P.G. University of Missouri-Rolla and G. Mattias Kondolf, Ph.D. University of California, Berkeley, Annual Meeting Association of Environmental and Engineering Geologists, Los Angeles, California September 28, 2007 </p><p><br /></p><p>On this blog:</p><p><a href="https://www.venturariver.org/2018/07/grand-jury-on-dam-safety.html">Grand Jury on Dam Safety</a></p><p><a href="https://www.venturariver.org/2020/07/matilija-reservoir-drained.html">Matilija Reservoir Drained</a></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-54905814528053354902023-10-26T13:29:00.001-07:002023-12-13T14:09:26.824-08:00Earthquakes in the Ojai Valley<p> </p><p><br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlnqG1aHsDOR5uDkUFZfYJY_ErJPTSOgfCaYYO7sZ1tpAO1wJvqkP1sAhxLtXTnVmABRge_EmG__YBhFwVgu3QQvAyZs8M2EHjGxj2Q_FLFtF_MASDs69EGfO40sw7gCNU6-9zwpCietrB7We9WLYTLic-N5D2x8Y4enO1o3J1d1-4D_eAwxT2GW_Ey1vn/s2912/Screen%20Shot%202023-10-26%20at%2012.52.51%20PM.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1238" data-original-width="2912" height="272" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlnqG1aHsDOR5uDkUFZfYJY_ErJPTSOgfCaYYO7sZ1tpAO1wJvqkP1sAhxLtXTnVmABRge_EmG__YBhFwVgu3QQvAyZs8M2EHjGxj2Q_FLFtF_MASDs69EGfO40sw7gCNU6-9zwpCietrB7We9WLYTLic-N5D2x8Y4enO1o3J1d1-4D_eAwxT2GW_Ey1vn/w640-h272/Screen%20Shot%202023-10-26%20at%2012.52.51%20PM.png" width="640" /></a></div><br /><p>according to the Ojai Valley News;</p><p><i>A 5.1-magnitude earthquake struck 7 kilometers southeast of Ojai in the Upper Ojai area near Sulphur Mountain Road at 2:41 p.m. Sunday, Aug. 20, in a huge jolt that shook houses, knocked pictures off walls and sent unsecured household items flying in the Upper Ojai area.</i></p><p><i>The largest 5.1-magnitude jolt was followed by multiple aftershocks, ranging from 3.7-magnitude to 2.5-magnitude.</i></p><p><i>At 4:52 p.m. Aug. 20, the Ventura County Sheriff's Office of Emergency Services reported online that the 5.1-magnitude quake occurred on the Sisar fault line southeast of Ojai.</i></p><p><i>Westridge Market Midtown was closed for about two hours as workers mopped up after bottles broke and spilled all over the floor.</i></p><p><i>The Sheriff's Office also reported:</i></p><p><i>— "Casitas and Matilija Dam have been visually inspected by the VC Aviation Unit, with no issues to report. Ongoing inspections by the respective dam operators are underway and will take some time to complete."</i></p><p><i><br /></i></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_DGGONgfyvFwAwXrfzO0v_W1W4rm6ZasxqKJl2nrC_bNrH9_oc2zrf9s5narHDkpmaRPrQPSaxsLTbh8JK24VuMmWUSUOpKeI8z-6lchtDA1TDqru4xSMqrfSDK81YB8GZ_fwJCh9bzRBrUPvpQSQPGUFIur4XaUQdwaxPrQmv21nlgnqy34PbS9FggWC/s3138/Earthquakes2023.png" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="2492" data-original-width="3138" height="508" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_DGGONgfyvFwAwXrfzO0v_W1W4rm6ZasxqKJl2nrC_bNrH9_oc2zrf9s5narHDkpmaRPrQPSaxsLTbh8JK24VuMmWUSUOpKeI8z-6lchtDA1TDqru4xSMqrfSDK81YB8GZ_fwJCh9bzRBrUPvpQSQPGUFIur4XaUQdwaxPrQmv21nlgnqy34PbS9FggWC/w640-h508/Earthquakes2023.png" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">earthquake.usgs.gov</td></tr></tbody></table><br /><p>Aftershocks from the August 20 quake continued through August 24. Another cluster occurred north of Ojai along Sespe Creek on October 15 with the initial shock measured at magnitude 3.7.</p><p>Another article published on March 4, 2022 provides more information:</p><p><i>The Feb. 28 and March 1 quakes followed a series of temblors that shook the Upper Ojai area Feb. 26, including a 4.0-magnitude jolt and 21 other small quakes that occurred in the same area Feb. 10 to 16. “Part of the reason that we see so many events now is we have a much better network of sensors out there,”</i></p><p><i>According to Cochran, there’s nothing to suggest the quakes are related to oil and gas activity in the area. “We would tend to see those be a lot shallower,” she said. USGS recorded the depths of the larger quakes at approximately 15 kilometers, or just over 9 miles. “Those are actually quite deep. They’re the deepest events we typically see in Southern California, in this region,”</i></p><p><i>The quakes are occurring along the Arroyo Parida Fault, an extension of the Mission Ridge Fault system, said Ed Keller, professor of geology at UC Santa Barbara. It’s uplift along this fault that divided the Ojai Valley into two sections. “The upper and lower Ojai valleys, probably 40,000 years ago, were one valley, and they’ve been separated by the Arroyo Parida Fault, which runs all the way to Santa Barbara,” he said. In the 1980s, Keller did extensive research on the geologic structure of the Ojai Valley. “The Ojai Valley is one of the most seismically active places in California,” he said, due to a high rate of uplift. “The rate of uplift in the mountains is greater here than almost anyplace else I know.” Keller said quakes in the 1.0 to 2.0 range happen fairly frequently, but when they occur in swarms it’s time to be wary. </i></p><p></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAitBilJaFNs4Qn9On_I10uEhJIUgT650D1sVd6x9_S7_g1yL2BQTCz67Flat4LrmMGjkS-nhsdIzooOX3x0wH9-TznI8PVP0FY9iGvcS94blvt1Dw2gbrkONWP89LdIi2f0aIZR6dupuaWN_nystIRRAvWIputvACZTz3_Brc2oZ9md6VfEs5BMP1qmdw/s500/Edward%20Keller%20Ph.D%20Ojai%20Valley%20faults%20map.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="412" data-original-width="500" height="528" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjAitBilJaFNs4Qn9On_I10uEhJIUgT650D1sVd6x9_S7_g1yL2BQTCz67Flat4LrmMGjkS-nhsdIzooOX3x0wH9-TznI8PVP0FY9iGvcS94blvt1Dw2gbrkONWP89LdIi2f0aIZR6dupuaWN_nystIRRAvWIputvACZTz3_Brc2oZ9md6VfEs5BMP1qmdw/w640-h528/Edward%20Keller%20Ph.D%20Ojai%20Valley%20faults%20map.jpg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Edward Keller Ojai Valley faults map</td></tr></tbody></table><br /><i><br /></i><p></p><p>References:</p><p><a href="https://www.ojaivalleynews.com/news/5-1-magnitude-earthquake-followed-by-more-hit-ojai-area-at-2-41-p-m/article_ce2fab28-3fa4-11ee-b0eb-fb7f5069e42b.html" target="_blank">5.1-magnitude earthquake, followed by more, hit Ojai area at 2:41 p.m.</a> Ojai Valley News, Aug 20, 2023 Updated Aug 22, 2023 </p><p><a href="https://www.ojaivalleynews.com/news/quakes-rattle-ojai-valley/article_2e477d1a-fb12-56b0-8509-b55ee3cb921e.html" target="_blank">Quakes rattle Ojai Valley</a>, Ojai Valley News Mar 4, 2022</p><p><br /></p><p><br /><i><br /></i></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-56477112095371214952023-10-20T10:22:00.000-07:002024-03-12T10:07:18.804-07:00Elwha, Dam Removal Success Story <p>A decade after the removal of two high dams on the Elwha River, scientists are documenting the recovery of an entire ecosystem. The science bodes well for the recovery of the Ventura River ecosystem with the removal of Matilija Dam.</p><p>This PBS documentary tells the story: </p><p>Undamming a river, rebuilding a forest | WILD HOPE</p><p>"<i>Ten years after the largest dam removal in history—on the Elwha River, in Washington State—scientists are chronicling an inspiring story of ecological rebirth. Recovering salmon populations are transferring critical nutrients from the ocean into the forests along the Elwha’s banks, enriching the entire ecosystem. The Elwha’s revival is encouraging advocates to push for the removal of many larger dams in the region, and in the rest of the world.</i>"</p><p><br /></p><p><br /></p>
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<div><br /></div><div><br /></div><div><br /></div><div>More on this blog: <a href="https://www.venturariver.org/search?q=elwha" target="_blank">Elwha</a></div><div><br /></div><div><br /></div><div><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-47485687135070937532023-10-12T16:19:00.006-07:002023-10-13T08:54:22.995-07:00Surfers' Point Nature Based Solutions video<p><br /></p><p>"Fighting Climate Change with Nature," a video produced by the Surfrider Foundation featuring the Surfers' Point Managed Shoreline Retreat project:</p>
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<div><br /></div><div>Short version (60 sec): <a href="https://www.youtube.com/watch?v=4fpbvWNfW3k">https://www.youtube.com/watch?v=4fpbvWNfW3k</a></div><div> </div><div><br /></div><div style="text-align: left;">More at <a href="https://www.surfrider.org/fighting-climate-change-with-nature">https://www.surfrider.org/fighting-climate-change-with-nature</a></div><div><br /></div><div class="separator" style="clear: both; text-align: left;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim1G1AkBsPwDnQN8ie9A8jUZ0cFSwa-H_ySdkJ9zoxk9m4nQ86fe4hCkMQWrnwU2xHW5DQaGjJV8fgmor5V4pTLOVa7Q0FAn6fzTH-9IX8PSkijGY9hem9beXJ3ZUcGD2Sz_y6ZSDG-NM0Phyp-r2LR7KI_P_K9QCmM0UodcAC15qJMu_l7RXPjQfgaMtB/s2480/SurfriderNatureSolutions.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2480" data-original-width="2364" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim1G1AkBsPwDnQN8ie9A8jUZ0cFSwa-H_ySdkJ9zoxk9m4nQ86fe4hCkMQWrnwU2xHW5DQaGjJV8fgmor5V4pTLOVa7Q0FAn6fzTH-9IX8PSkijGY9hem9beXJ3ZUcGD2Sz_y6ZSDG-NM0Phyp-r2LR7KI_P_K9QCmM0UodcAC15qJMu_l7RXPjQfgaMtB/w610-h640/SurfriderNatureSolutions.png" width="610" /></a></div><br /><div><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-53890180899104460942023-06-01T15:46:00.009-07:002023-06-12T17:18:55.380-07:00Surfers' Point funding ok'd<p> At the <a href="https://scc.ca.gov/2023/05/18/coastal-conservancy-public-meeting-in-sacramento-june-01/" target="_blank">June 1st meeting of the California Coastal Conservancy</a> the board approved $16,200,000 <i>to the City of San Buenaventura (Ventura) to construct Phase 2 of the Surfers Point Managed Retreat Project, a sea level rise adaptation project that relocates existing infrastructure landward and restores beach dune habitat, in Ventura. </i></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKqdwzFYmMmh1oxhT2s9sj8auZPHLMD16dixA9Xe4CBW-bXeA2jdMKIy_a45be1xYxzOF6YuNVAo-ZyVlbzZALB0o1wbH2PePHdKFIXyoLpb7kadIKxvkbzyGX3t6vrt3IJ2fsXFtv03dSi61Dng9imR_xNy-C0kzOJYlWhLre3gDXxNwLZqAYtpbvyg/s3776/SurfersPointPhase2Plan.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2290" data-original-width="3776" height="388" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKqdwzFYmMmh1oxhT2s9sj8auZPHLMD16dixA9Xe4CBW-bXeA2jdMKIy_a45be1xYxzOF6YuNVAo-ZyVlbzZALB0o1wbH2PePHdKFIXyoLpb7kadIKxvkbzyGX3t6vrt3IJ2fsXFtv03dSi61Dng9imR_xNy-C0kzOJYlWhLre3gDXxNwLZqAYtpbvyg/w640-h388/SurfersPointPhase2Plan.png" width="640" /></a></div><br /><p><br /></p><p>Surfrider submitted a support letter saying:</p><blockquote style="border: medium; margin: 0px 0px 0px 40px; padding: 0px;"><p style="text-align: left;"><i>Surfers’ Point has been the flagship campaign of the Ventura County Chapter of the Surfrider Foundation since its inception in 1991. For more than 30 years our members have advocated for the community-based solution to coastal erosion offered by this project. The construction of the first phase in 2011 has proven the efficacy of this approach and we look forward to completing the project. In recent years the rapid loss of the remaining bike path and parking lot has increased the urgency to relocate this visitor serving infrastructure out of harms way. Implementation of the proven buried cobble berm and sand dunes will restore nature-based resiliency to this extremely popular stretch of coast.</i></p></blockquote><p>Construction will begin after Labor Day, 2024</p><p><br /></p><p>On this blog: <a href="https://www.venturariver.org/search/label/Surfers%20Point">Surfers Point</a></p><p><br /></p><p>Reference:</p><p>COASTAL CONSERVANCY <a href="http://scc.ca.gov/webmaster/ftp/pdf/sccbb/2023/2306/20230601Board17_Surfers_Point_Managed_Retreat.pdf" target="_blank">Project No. 08-057-02 Staff Recommendation June 1, 2023</a></p><p><br /></p><p> In the News:</p><p><a href="https://www.vcstar.com/story/news/2023/06/12/ventura-gets-16m-for-managed-retreat-project-at-surfers-point/70283806007/" target="_blank">Ventura gets $16M to move crumbling path, parking lot farther from crashing waves</a></p><p><span style="color: #0000ee;"><span style="caret-color: rgb(0, 0, 238);"><u><br /></u></span></span><a href="https://www.vcstar.com/story/news/2023/06/12/ventura-gets-16m-for-managed-retreat-project-at-surfers-point/70283806007/" target="_blank"></a></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjx-qahiBYN0tA8100-r-M9hdZt5HQgXz5pVCzUws4bv3Otyvzwtkv2P5RhVuwNFVN4iJUEUJqSLlF6ee85OGpNNkPtOdc-jPPuTyy_1uHoGw1V7eA9SmpPsx0g-NP02CJc8BymI0BpvwMest6Mhx61HbkSt6qoOal8DuAZMegCKkRWn0-GaQa7HqUhCw/s2440/VCStarSurfersPoint2023-06-12.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2440" data-original-width="1904" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjx-qahiBYN0tA8100-r-M9hdZt5HQgXz5pVCzUws4bv3Otyvzwtkv2P5RhVuwNFVN4iJUEUJqSLlF6ee85OGpNNkPtOdc-jPPuTyy_1uHoGw1V7eA9SmpPsx0g-NP02CJc8BymI0BpvwMest6Mhx61HbkSt6qoOal8DuAZMegCKkRWn0-GaQa7HqUhCw/w500-h640/VCStarSurfersPoint2023-06-12.png" width="500" /></a></div><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKkQEQo2AwQKslbLs3akcrlnIRm9KSJhZfzZFVOzXXOqfC_TJMtke7RG0YTpMeM9-da6t5GHokZjDpFMF3YwVvyhbfgUC5WKJshYskKa5irxZCKVnODDp5hgcv7MZbpNA2uiP-fwpcy5HTRS2_b-OovMOHmexaMAjKePck8AJned_PJfTQG2ScTJz5Bg/s2148/VCStarSurfersPoint2023-06-12-2.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="782" data-original-width="2148" height="232" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKkQEQo2AwQKslbLs3akcrlnIRm9KSJhZfzZFVOzXXOqfC_TJMtke7RG0YTpMeM9-da6t5GHokZjDpFMF3YwVvyhbfgUC5WKJshYskKa5irxZCKVnODDp5hgcv7MZbpNA2uiP-fwpcy5HTRS2_b-OovMOHmexaMAjKePck8AJned_PJfTQG2ScTJz5Bg/w640-h232/VCStarSurfersPoint2023-06-12-2.png" width="640" /></a></div><br /><br /><p><br /></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-44725011122882140202023-05-23T13:23:00.004-07:002023-11-10T17:02:33.939-08:00Klamath River dam removal begins<p><br /></p><p>After nearly two decades of planning, construction recently began on the estimated $450 million Klamath River Renewal Project. The project involves the simultaneous removal of four dams to restore the second largest river in California. The project is overseen by the independent nonprofit <a href="https://klamathrenewal.org/" target="_blank">Klamath River Renewal Corporation</a> formed in 2016 to navigate the complex regulatory and legal issues associated with dam removal.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8xO5LsY3TI8PMhuIPZEx1ftf36m-yk_GJh2IRdNVbMfGoU2yW1NGqVl0kNoduzGTINmKT7BK8KI0R9_gHjgV5pzAHGhzDgZV-eHxAGVxISehrL97QYgTQo3ge6FXyYTuRZa_pnnd_ZhXaFmrJBOupgXJkqTT0zRrlsTVpUg4CmrF5YObCi3kayCUyrA/s2200/Klamath_map-7.20.17.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1700" data-original-width="2200" height="494" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8xO5LsY3TI8PMhuIPZEx1ftf36m-yk_GJh2IRdNVbMfGoU2yW1NGqVl0kNoduzGTINmKT7BK8KI0R9_gHjgV5pzAHGhzDgZV-eHxAGVxISehrL97QYgTQo3ge6FXyYTuRZa_pnnd_ZhXaFmrJBOupgXJkqTT0zRrlsTVpUg4CmrF5YObCi3kayCUyrA/w640-h494/Klamath_map-7.20.17.png" width="640" /></a></div><br /><p>ASCE provides a good technical summary of the project here: <a href="https://www.asce.org/publications-and-news/civil-engineering-source/civil-engineering-magazine/article/2023/05/construction-begins-on-removal-of-4-klamath-river-dams" target="_blank">Construction begins on removal of 4 Klamath River dams</a>. In 2009 we noted that <a href="https://www.venturariver.org/2009/02/klamath-dam-removal-study-supports.html">Klamath Dam removal study supports sediment releases</a>, and each of the four dams will utilize natural transport for disposal of the majority of the fine sediment that has accumulated in the reservoirs. Most of the concrete and other materials will be disposed at or near each of the dam sites. </p><p>The Klamath River suffered a dramatic and notorious <a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjW3qHbnIz_AhXUBEQIHf1XDC8QFnoECBkQAw&url=https%3A%2F%2Fwww.waterboards.ca.gov%2Fwaterrights%2Fwater_issues%2Fprograms%2Fbay_delta%2Fcalifornia_waterfix%2Fexhibits%2Fdocs%2FPCFFA%26IGFR%2Fpart2%2Fpcffa_155.pdf&usg=AOvVaw1xAUIgl_c-A7h5GApY5FmW" target="_blank">fish kill in 2002</a> when over 34,000 fish, mostly adult fall Chinook salmon, were found dead in the Lower Klamath River. This fish kill was unprecedented for returning adult salmon on the Klamath River, profoundly affecting the Yurok People and other local residents both economically and spiritually. The river suffered another fish kill following the fires of 2022. The major contributing factor to unhealthy fisheries in the Lower Klamath River has been the presence of the large reservoirs which accumulate agricultural runoff and fertilizers which heat up in the hot summer months and fuel toxic algae. Removal of these dams will eliminate the release of this toxic hot water into critical salmon habitat. Most importantly this project will restore one of the most productive salmon runs in California to benefit the Native American communities who have depended on fisheries for their livelihood, health, and cultural practices since time immemorial. </p><p>Also of interest is the <a href="http://klamathmitigation.org/" target="_blank">The Klamath Mitigation Fund</a> which "<i>is a voluntary claims-based compensation program in which impacted property owners can participate. The Fund is designed to provide compensation for specified physical impacts to private properties caused by the Klamath dam removal project. The Fund will be administered by independent Fund Administrators based on criteria established from extensive technical analysis. The Fund Administrators will organize information sessions by potential claim (slope stability, flood risk, and groundwater well impacts) to explain the analysis and approach. They will ultimately make independent compensation decisions and manage settlements with individual property owners for physical damages demonstrated to be caused by dam removal. Such payments (which will settle claims) will avoid the need for litigation to resolve such damages</i>.”</p><p><br /></p><p><br /></p><p>In the news: </p><p><a href="https://www.kdrv.com/news/waterwatch/first-klamath-river-dam-to-be-removed-by-end-of-summer/article_87aaa068-f5d0-11ed-a81b-0fb517befa40.html" target="_blank">First Klamath River dam to be removed by end of summer</a> </p><p><a href="https://www.seattletimes.com/seattle-news/environment/the-massive-dam-removal-on-the-klamath-may-save-salmon-but-cant-solve-the-wests-water-crisis/" target="_blank">The massive dam removal on the Klamath may save salmon but can’t solve the West’s water crisis</a></p><p><a href="https://www.opb.org/article/2023/07/16/klamath-dam-removal-copco-2/" target="_blank">With one down, Klamath dam removal proceeds on schedule</a></p><p><a href="https://www.americanwhitewater.org/content/Article/view/article_id/FNnXQ08VSds3kkfIrFkQx/" rel="nofollow" target="_blank">An Important Milestone on the Klamath – Removal of the Copco 2 Dam Complete! </a>American Whitewater11/09/2023</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhochveViAw9PT_8hx3HLZIY2TRkWHVRuAvSsND0VNnGH17PdWkN4ty-SvDuSWOod7dYG-7bpc9fG6hAqwlSUyQQoYyZvk4yGVgBLgx8QpgFEJBzRpd49U-gmPJa0U9dSk5DQRDG85BZE6MeMdhXcg241NKsDEZpAGhgy_TCnfdC3CHmAi_z2y8hHrjIXL3/s2410/KlamathAW11-9-23.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2410" data-original-width="2156" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhochveViAw9PT_8hx3HLZIY2TRkWHVRuAvSsND0VNnGH17PdWkN4ty-SvDuSWOod7dYG-7bpc9fG6hAqwlSUyQQoYyZvk4yGVgBLgx8QpgFEJBzRpd49U-gmPJa0U9dSk5DQRDG85BZE6MeMdhXcg241NKsDEZpAGhgy_TCnfdC3CHmAi_z2y8hHrjIXL3/w573-h640/KlamathAW11-9-23.png" width="573" /></a></div><br /><p><br /></p><p><br /></p><p><br /></p><p>On this blog:</p><p><a href="https://www.venturariver.org/2009/02/klamath-dam-removal-study-supports.html">Klamath Dam removal study supports sediment releases</a></p><div><br /></div><p>Reference:</p><p><a href="https://klamathrenewal.org/" target="_blank">Klamath River Renewal Corporation</a></p><p><a href="http://klamathmitigation.org" target="_blank">Klamath Mitigation Fund</a></p><p><a href="https://www.blogger.com/blog/post/edit/6637576529619290615/4472501112288214020#">Construction begins on removal of 4 Klamath River dams</a>, ASCE 5/11/2023</p><p><a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjW3qHbnIz_AhXUBEQIHf1XDC8QFnoECBkQAw&url=https%3A%2F%2Fwww.waterboards.ca.gov%2Fwaterrights%2Fwater_issues%2Fprograms%2Fbay_delta%2Fcalifornia_waterfix%2Fexhibits%2Fdocs%2FPCFFA%26IGFR%2Fpart2%2Fpcffa_155.pdf&usg=AOvVaw1xAUIgl_c-A7h5GApY5FmW">The Klamath River Fish Kill of 2002 CA.gov </a></p><p><a href="https://www.youtube.com/watch?v=WaHwESoaRAw&t=52s" target="_blank">Klamath River Fish Kill 2002 (Earthjustice)</a> - YouTube video</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><div><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-91336060716137577382023-04-27T13:36:00.006-07:002023-05-25T13:18:08.318-07:00Ventura Water Pure Ocean Outfall<p>The City of Ventura is planning to construct an ocean outfall extending approximately 6,800 feet offshore from Marina Park near the Ventura Harbor. The outfall and associated pipeline will ultimately serve to dispose of concentrated "brine" from the planned "Ventura Water Pure" wastewater recycling facility. A new underground pipeline will connect the existing Ventura Water Reclamation Facility to the outfall. </p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOKqF9KCQLh7gKVAwbTIjsvvXepLnfyvMqatgt9oNVUxreMQpNpuKQ__3kfx_lDnWJiNlf_AMM-WVhcTaXYNnxDtvQwCda2K78BRcDLNzYb3_Ecvu8hdSchkAQ1UiIxC3Qh6PMTUflk92r7YSXaUQG4ZqT0RbHfjJgVlgAyoZEY7iYTcL3U8tB3m5N-A/s2374/VenturaOceanOutfallMap.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1870" data-original-width="2374" height="504" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOKqF9KCQLh7gKVAwbTIjsvvXepLnfyvMqatgt9oNVUxreMQpNpuKQ__3kfx_lDnWJiNlf_AMM-WVhcTaXYNnxDtvQwCda2K78BRcDLNzYb3_Ecvu8hdSchkAQ1UiIxC3Qh6PMTUflk92r7YSXaUQG4ZqT0RbHfjJgVlgAyoZEY7iYTcL3U8tB3m5N-A/w640-h504/VenturaOceanOutfallMap.png" width="640" /></a></div><p><br /></p><p>Initially the City will discharge up to 4.7 million gallons per day (MGD) of tertiary-treated water through the ocean outfall. The Ventura Water Reclamation Facility currently discharges tertiary-treated wastewater into the Santa Clara River Estuary (SCRE) near its connection to the Pacific Ocean. In March 2010, the Ventura Coastkeeper and Heal the Bay filed a lawsuit alleging that the discharges of the tertiary-treated effluent into the estuary violated State and Federal law. The City settled and entered into a consent decree requiring the City to develop alternatives that would improve conditions for the habitats and species within the estuary. The first phase would discharge up to 90% of the City's treated wastewater offshore by 2030. </p><p>The City is also currently planning for the Ventura Water Pure reclamation facility which would further process the tertiary wastewater using reverse osmosis and other treatments to allow injection into local aquifers. This would provide a new source of water through Indirect Potable Reuse (IPR) to help accommodate the City's growth. The byproduct of this process is a concentrated "brine" which will be disposed offshore through the ocean outfall. </p><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpLBe0ubXdeteokYIfc8dbZbTVIUWpg-aAQKr3zi_geETaPKF6LfnnX_SfhgY_6ypgT1TWJ5hwUBIB-g1YD_jndf1zzuLVRgSYtjbWSZ-k_mUafojf31N3PstglodN3etN_wpb4sKbksl71Swk9vHVWKY4Qaz8lJMC4KlBvTurIwOES1ZQGd0iMuPm-w/s2410/VenturaOceanOutfallElements.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1840" data-original-width="2410" height="488" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpLBe0ubXdeteokYIfc8dbZbTVIUWpg-aAQKr3zi_geETaPKF6LfnnX_SfhgY_6ypgT1TWJ5hwUBIB-g1YD_jndf1zzuLVRgSYtjbWSZ-k_mUafojf31N3PstglodN3etN_wpb4sKbksl71Swk9vHVWKY4Qaz8lJMC4KlBvTurIwOES1ZQGd0iMuPm-w/w640-h488/VenturaOceanOutfallElements.png" width="640" /></a></div><p><br /></p><p style="text-align: left;">Construction will mainly impact Marina Park and the harbor area to install the plumbing necessary to disharge offshore as shown in the illustration below. A 20-inch diameter high-density polyethylene (HDPE) <b>Conveyance Pipeline</b> will connect from the wastewater treatment plant at Harbor Boulevard and Olivas Park Drive, extending north along Harbor Boulevard, then west on Schooner Drive, and northwest along Anchors Way where it would connect to the <b>Harbor Crossing</b>. The 20-inch pipe will be bundled with two 8-inch sewer pipes in a 36" pipe to be drilled 30 feet below the harbor bottom to connect with the <b>Ocean Outfall</b> at Marina Park. </p><div><br /></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi237plk4FnR9VM8kdPhfR5SZYeOQzVqjHZYNyBx1BfKHvJtq43OljBpXi_cdxGXu1jIPwZtOzwEfi_zFBDJ_FYh25KjRMA9gGCA5zZ5hZdfv1DpFI26JYsrbz3WFaqpngShxdFJoLrSk-9l0G3Nmxv8DBDHznpkgMxKEhv-bDWJa1WVkoZa9Ku2bKc6w/s2388/VenturaOceanOutfallComponents.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1860" data-original-width="2388" height="498" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi237plk4FnR9VM8kdPhfR5SZYeOQzVqjHZYNyBx1BfKHvJtq43OljBpXi_cdxGXu1jIPwZtOzwEfi_zFBDJ_FYh25KjRMA9gGCA5zZ5hZdfv1DpFI26JYsrbz3WFaqpngShxdFJoLrSk-9l0G3Nmxv8DBDHznpkgMxKEhv-bDWJa1WVkoZa9Ku2bKc6w/w640-h498/VenturaOceanOutfallComponents.png" width="640" /></a></div><p></p><div style="font-family: Helvetica; font-size: 14px;"><br /></div><div style="font-family: Helvetica; font-size: 14px;"><br /></div><div style="font-family: Helvetica; font-size: 14px;">The City completed their environmental analysis of this project in <a href=" https://www.cityofventura.ca.gov/1685/Library-of-Reports" target="_blank">2019 with an addendum in 2022</a>. </div><div style="font-family: Helvetica; font-size: 14px;"><br /></div><div style="font-family: Helvetica; font-size: 14px;"><br /></div><p>BACKGROUND AND ANALYSIS:</p><p>Surfrider has advocated for water recycling over the past decades, and this ocean outfall is a necessary component of this. Recycling is accomplished by reverse osmosis which generates a “brine” that has to be disposed of. Once the WaterPure facility is operating this outfall will be primarily for brine disposal. In the interim, while the facility is being constructed, the outfall will be used for offshore disposal of tertiary treated wastewater. This would effectively relocate the disharge from the estuary/nearshore to a mile offshore in Pierpont Bay to comply with a court order resulting from Wishtoyo/HealtheBay lawsuit.<br />Some of Surfrider's prior comments on this issue are here: <a href="https://www.venturariver.org/search?q=scre" target="_blank">https://www.venturariver.org/search?q=scre</a><br /></p><p>There are some unavoidable impacts with this project, but in the long term it should lead to improvements in our regional water supply and water quality as well as eliminating the impacts to the Santa Clara River Estuary. Concerns include whether offshore currents could bring the effluent back onshore and of course the implications of sea level rise. Coastal Commission Staff recognized the sea level rise concerns by reducing the permit from 50 yr to 30 yr at which point they would revisit it.<br /></p><p>A big concern is the City's ambition that this outfall could one day be used for an intake of ocean water for desalination. Surfrider and others have concerns about ocean desalination due to the impacts on the marine ecosystem and the carbon footprint of this energy intensive process. </p><p><br /></p><p>IN THE NEWS:</p><p><a href="https://www.enr.com/articles/56510-californias-ventura-gets-173m-in-epa-loans-for-more-resilient-water-supply" target="_blank">California's Ventura Gets $173M in EPA Loans for More Resilient Water Supply</a>, ENR, May 24, 2023</p><p><a href="https://www.vcstar.com/story/news/local/2023/05/24/ventura-california-wastewater-drinking-water-effluent-santa-clara-river-estuary/70248226007/" target="_blank">Key funding comes through from EPA to boost water supply in Ventura</a>, VC Star, May 24, 2023</p><p><i>Ventura has been awarded federal loans covering half the costs for a program to convert treated wastewater into safe drinking water and reduce discharges of effluent into the Santa Clara River estuary.</i></p><p><i>Speaking at a news conference Tuesday at the city's water reclamation plant, officials said the venture will benefit the environment, boost water supplies by up to 20% and protect the community against drought.</i></p><p><i>The financial award is a "monumental milestone," Ventura Mayor Joe Schroeder said at the invitational event where federal, state and city officials celebrated the nearly $174 million in funding and promoted the benefits of the project called VenturaWaterPure.</i></p><p><i>The loans will pay for half of the $354 million to be spent on an initial phase, program Director Linda Sumansky said. Around 60% of the roughly 5.5 million gallons of treated effluent going into the estuary daily will be diverted and an advanced purification plant built. A second phase allowing all the effluent to be diverted will cost another $80 million.</i></p><p><br /></p><p><br /><br />REFERENCE:</p><p><br />Ventura Water Pure: <a href="https://www.cityofventura.ca.gov/1646/VenturaWaterPure">https://www.cityofventura.ca.gov/1646/VenturaWaterPure<br /></a>Library of Documents: <a href="https://www.cityofventura.ca.gov/1685/Library-of-Reports">https://www.cityofventura.ca.gov/1685/Library-of-Reports</a></p><p><span style="font-family: Helvetica; font-size: 14px;">Pending permit applications include:</span></p><p><span style="font-family: Helvetica;"><span style="font-size: 14px;">California Coastal Commission: <a href="https://documents.coastal.ca.gov/reports/2023/4/F8a/F8a-4-2023-report.pdf" target="_blank">Staff Report</a>, <a href="https://documents.coastal.ca.gov/reports/2023/4/F8a/F8a-4-2023-exhibits.pdf" target="_blank">Exhibits</a></span></span><span style="font-family: Helvetica;"><span style="font-size: 14px;"><br /></span></span><span style="font-family: Helvetica;"><span style="font-size: 14px;">State Lands Commission: <a href="https://slcprdwordpressstorage.blob.core.windows.net/wordpressdata/2023/03/04-07-23_49.pdf" target="_blank">Staff Report</a></span></span></p><div><div style="font-family: Helvetica; font-size: 14px;"><br /></div></div><div style="font-family: Helvetica; font-size: 14px;">More on this Blog: <a href="https://www.venturariver.org/search/label/wastewater">https://www.venturariver.org/search/label/wastewater</a></div><div style="font-family: Helvetica; font-size: 14px;"><br /></div><div style="font-family: Helvetica; font-size: 14px;"><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-27341358950947816102023-03-10T17:05:00.001-08:002024-03-12T10:07:57.970-07:00Santa Ana Bridge Replacement<p>On October 17, 2022 Ventura County Public Works Agency (VCPWA) hosted a ribbon cutting ceremony to celebrate the official opening of the new Santa Ana Boulevard Bridge. This bridge is the first major infrastructure component of the Matilija Dam Ecosystem Restoration Project, and was deemed necessary due to existing deficiencies in the height and length of the bridge. The new bridge is 50 percent longer than the old bridge, an increase that will partially restore the Ventura River’s natural channel capacity. </p><p>The bridge was replaced to widen the river and eliminate the "bottleneck" at this location to better pass flood flows. Widening the river at this location will improve natural sediment transport and migration habitat for the federally-endangered southern California steelhead and other species. </p><p>The first test soon came with the flood of January 9, 2023. Flood waters passed freely beneath the new bridge, while the old bridge may have backed up flows and potentially sustained damage. </p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYVOrzwxqy5ffbWH4bvoLXxOiO_PNNWs47ITMW_T0hUBiKrlW_E-MZi6REL7oNmpRHtGHlKNPqomt5R5VqwiZSni0PKGxakpH6LVlWcevKETFB-N9fFEvuA0tEgnvMEhXmpRH4sfmmzgUFKZK9Z7-fxyIxjfkQS-mU6iXmQuO-cczfkJeVBcUtCvNB3w/s3526/SantaAnaBridge01-09-2023.png" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="2584" data-original-width="3526" height="470" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYVOrzwxqy5ffbWH4bvoLXxOiO_PNNWs47ITMW_T0hUBiKrlW_E-MZi6REL7oNmpRHtGHlKNPqomt5R5VqwiZSni0PKGxakpH6LVlWcevKETFB-N9fFEvuA0tEgnvMEhXmpRH4sfmmzgUFKZK9Z7-fxyIxjfkQS-mU6iXmQuO-cczfkJeVBcUtCvNB3w/w640-h470/SantaAnaBridge01-09-2023.png" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Santa Ana Bridge - the recently replaced bridge during the flood of Jan 9 2023<br />photo: <a href="mailto:rich@richreidphoto.com">Rich Reid</a></td></tr></tbody></table><p><br /></p><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjx-aN0PBsPB4jMAGJD-vwvWeaSStsbPwObLW9VHhXr2jC8CayrLW-_vJxyPWCVIvpxy9fRkZqv6a5KrI-NmAFGMYbyaYhvMysg6wzxUua0Ta2U2GpSkzJkbEFfP89sgs3INOjdiDC9T0EO4D4OZfotcVrA_9VQVh54LFyhUPLQZB8sKpHX6SNXgGNUfw/s1382/SantaAnaBridgeFlood2023.png" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="818" data-original-width="1382" height="378" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjx-aN0PBsPB4jMAGJD-vwvWeaSStsbPwObLW9VHhXr2jC8CayrLW-_vJxyPWCVIvpxy9fRkZqv6a5KrI-NmAFGMYbyaYhvMysg6wzxUua0Ta2U2GpSkzJkbEFfP89sgs3INOjdiDC9T0EO4D4OZfotcVrA_9VQVh54LFyhUPLQZB8sKpHX6SNXgGNUfw/w640-h378/SantaAnaBridgeFlood2023.png" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Santa Ana Bridge - the recently replaced bridge during the flood of Jan 9 2023<br />Photo: Ventura County</td></tr></tbody></table><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><br /></div><br /></div><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoI5PdU2eX25D1MYQj5hyUQJChcKlMYnaMH4bSQ_Fz2vY0Gsp_XGW_79Oj0CLnJmMAIIy5Bd9fxkgczanTK4Jxecbyoh3px9-VHzHf3_fkOzSzPqpC5CWW_qQENzoccY_Nwjw1tEq-ZnNmPxSfKqF1nS19okYUGtiMtdVJ7MU1MV7jF4SLb6dWOce1wg/s640/SantaAnaBridge_aerial_04-15-2022%20copy.jpeg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="426" data-original-width="640" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoI5PdU2eX25D1MYQj5hyUQJChcKlMYnaMH4bSQ_Fz2vY0Gsp_XGW_79Oj0CLnJmMAIIy5Bd9fxkgczanTK4Jxecbyoh3px9-VHzHf3_fkOzSzPqpC5CWW_qQENzoccY_Nwjw1tEq-ZnNmPxSfKqF1nS19okYUGtiMtdVJ7MU1MV7jF4SLb6dWOce1wg/w640-h426/SantaAnaBridge_aerial_04-15-2022%20copy.jpeg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Diagram illustrates how the replacement Santa Ana Bridge widens the Ventura River</td></tr></tbody></table><br /></div></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdNKAbocI1kF0SvpYmTv0LTlyWxTbt_EYDvQhmuxLeA7g3DSv331ruMFYeu7IN36pa1p_0IlZ1-tN7uiOkwL3VoybpGRVLrQiBb2_fT0YKdpMKRtmG3fCIN0yKE1X6h_14rus3QoqetTyI0wYCQXBEl34pPcBII8iDTBm2jUe6UBZrMZY1c_Clf_pnZQ/s1280/SantaAnaBridgeorthoJan2023.jpeg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="852" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdNKAbocI1kF0SvpYmTv0LTlyWxTbt_EYDvQhmuxLeA7g3DSv331ruMFYeu7IN36pa1p_0IlZ1-tN7uiOkwL3VoybpGRVLrQiBb2_fT0YKdpMKRtmG3fCIN0yKE1X6h_14rus3QoqetTyI0wYCQXBEl34pPcBII8iDTBm2jUe6UBZrMZY1c_Clf_pnZQ/w640-h426/SantaAnaBridgeorthoJan2023.jpeg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Overhead view of the new Santa Ana Bridge, Jan 2023</td></tr></tbody></table><br /><div><br /></div><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEho2IgYZyKPU8HqvHbXO7_OBgzOCZCAE6zPNa2MNB08mc3KAOOjOI4e-SvpHG49bNP0VNMx-l1LGNKAS_Q_u_TaBkCAy-pTijIQqqfmFD9AsNzJahgUpkSN3saLDV06NXKCxbEZKUzYhbgzm24A5HRMyHKzymrRKSvBlOFM2G7eHPbuk4wapPTVesm3pw/s2000/Santa%20Ana%20bridge%2010_9_21.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1332" data-original-width="2000" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEho2IgYZyKPU8HqvHbXO7_OBgzOCZCAE6zPNa2MNB08mc3KAOOjOI4e-SvpHG49bNP0VNMx-l1LGNKAS_Q_u_TaBkCAy-pTijIQqqfmFD9AsNzJahgUpkSN3saLDV06NXKCxbEZKUzYhbgzm24A5HRMyHKzymrRKSvBlOFM2G7eHPbuk4wapPTVesm3pw/w640-h426/Santa%20Ana%20bridge%2010_9_21.jpg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Aerial view looking upstream at Santa Ana Bridge during construction 10-9-21</td></tr></tbody></table><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><div>The bridge replacement was planned to minimize disruption to local traffic by constructing the new bridge upstream before switching traffic and demolishing the old bridge. Funding was provided through a grant from the CA Dept of Fish and Wildlife, and construction was completed on schedule before this historic wet winter.</div><div><br /></div><div><br /></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbBFEIlTUhZACvySGd36bPrDsPHQq8Qk5uRiBENK-gaMA523B1-buCeNvCpoOyxC1hMzjh25Vpgdk23sIFp2jMiEFB-feUM9WgLDW68Id7VMcW5jFYTuQ8C2VnSFhkdLqtLrrroYUgy-vbEyoTFe4RF_UWz1WyPv9Z0F5sWN2mJWYKLq5SceFWzLZiWA/s1280/SantaAnaBridgeFlood2023copy.jpeg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="852" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbBFEIlTUhZACvySGd36bPrDsPHQq8Qk5uRiBENK-gaMA523B1-buCeNvCpoOyxC1hMzjh25Vpgdk23sIFp2jMiEFB-feUM9WgLDW68Id7VMcW5jFYTuQ8C2VnSFhkdLqtLrrroYUgy-vbEyoTFe4RF_UWz1WyPv9Z0F5sWN2mJWYKLq5SceFWzLZiWA/w640-h426/SantaAnaBridgeFlood2023copy.jpeg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">The new Santa Ana Bridge following the flood of Jan 9, 2023</td></tr></tbody></table><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><div><br /></div><div>More: <a href="https://matilijadam.org/santa-ana-boulevard-bridge/">https://matilijadam.org/santa-ana-boulevard-bridge/</a></div><br /><br />In the news:<div><br /></div><div><a href="https://www.ojaivalleynews.com/news/santa-ana-bridge-expansion-will-help-with-dam-removal/article_3069f196-fc92-5292-b394-0973f611b682.html">Santa Ana Bridge expansion will help with dam removal</a>, Ojai Valley News June 14, 2019<br /><div><br /></div><div><a href="https://www.vcstar.com/story/news/2021/06/05/agencies-move-step-closer-tearing-down-matilija-dam-near-ojai/5282419001/">New Ventura River bridge could help endangered trout, VCStar.com</a> June 5, 2021</div><div><br /></div><div><a href="https://www.ojaivalleynews.com/news/new-bridge-is-one-more-step-toward-goal-of-dam-removal/article_ce492b58-4b7a-11ed-ba56-3383a4c35cf0.html">New bridge is one more step toward goal of dam removal</a>, Ojai Valley News Oct 13, 2022<br /><br /><br />Aerial photos courtesy Rich Reid rich@richreidphoto.com</div><div> <br /><p><br /></p></div></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-32052506211023517112023-02-24T15:00:00.003-08:002023-02-24T15:17:55.305-08:00More funding for Matilija Dam<p><span style="font-family: Arial;"><span style="font-size: 11pt; white-space: pre-wrap;">On February 16, 2023, the state Wildlife Conservation Board approved a $4.3 million grant to the Ventura County Watershed Protection District for a planning project that will complete final design plans for Matilija Dam removal. Since 2016, the Matilija Coalition has assisted the County with successful grants </span><span style="font-size: 14.666667px; white-space: pre-wrap;">totaling</span><span style="font-size: 11pt; white-space: pre-wrap;"> over $36 million for the project. </span><span style="font-size: 14.666667px; white-space: pre-wrap;">Although there is much work to be done, including construction of downstream bridges, levees, and water supply infrastructure, this grant creates a path to be prepared for dam removal by 2030.</span></span></p><span id="docs-internal-guid-5cd53e4e-7fff-33fc-6fcc-399aa3771386"><p dir="ltr" style="line-height: 1.38; margin-bottom: 0pt; margin-top: 0pt;"><span style="font-family: Arial; font-size: 11pt; font-variant-alternates: normal; font-variant-east-asian: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-position: normal; vertical-align: baseline; white-space: pre-wrap;">Meanwhile, this year’s <a href="https://www.venturariver.org/2023/02/january-2023-flood-overview.html" target="_blank">significant winter floods</a> have moved large quantities of sediment down Matilija Creek, almost completely filling the obsolete reservoir with sand destined for the beach.</span></p></span><br class="Apple-interchange-newline" /><div><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlDBbMa_NTbTNkYzS-Qmwnh2QwW9cGHMSTjodRClKiQzPW-o73uWReYvHOmFGWz1nWdUsl-BfpngM6WbP20LmKTjnDArHIHYxKJd6EHwgvhZfTCkBGdKGGmym35mOhbEGTMGPGy9CdxN8KxmV3AZKNwgLis-HP4dz_3KEtHMGAJPogxVKMgJ2oiGPLEQ/s2000/MatilijaDam2-11-23%20copy.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1500" data-original-width="2000" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhlDBbMa_NTbTNkYzS-Qmwnh2QwW9cGHMSTjodRClKiQzPW-o73uWReYvHOmFGWz1nWdUsl-BfpngM6WbP20LmKTjnDArHIHYxKJd6EHwgvhZfTCkBGdKGGmym35mOhbEGTMGPGy9CdxN8KxmV3AZKNwgLis-HP4dz_3KEtHMGAJPogxVKMgJ2oiGPLEQ/w640-h480/MatilijaDam2-11-23%20copy.jpg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Sedimentation in Matilija reservoir 2-11-2023</td></tr></tbody></table><div class="separator" style="clear: both; text-align: center;"><br /></div></div><div><br /></div>More info:</div><div><br /></div><div><a href="https://wildlife.ca.gov/News/wildlife-conservation-board-funds-environmental-improvement-and-acquisition-projects6" target="_blank">CDFW News</a></div><div><a href="http://MatilijaDam.org">MatilijaDam.org</a></div><div><br /></div><div>In the news:</div><div><br /></div><div><a href="https://www.vcstar.com/story/news/2023/02/23/efforts-to-remove-long-defunct-matilija-dam-get-4-3-million/69921810007/">https://www.vcstar.com/story/news/2023/02/23/efforts-to-remove-long-defunct-matilija-dam-get-4-3-million/69921810007/</a></div><div><br />On this Blog:</div><div><br /></div><div><a href="https://www.venturariver.org/search/label/Matilija%20Dam">Matilija Dam</a></div><div><br /></div><div><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-44608310840142303732023-02-24T14:48:00.002-08:002023-02-24T14:48:32.850-08:00Surfers Point in the news<p> Ventura made the news recently with the headline “<a href="https://abc7.com/surfers-point-ventura-beach-erosion-protecting-beaches/12820591/" target="_blank">Here's how one beach in Ventura County is trying an innovative strategy to combat erosion</a>”</p><p>February 17, 2023, VENTURA, Calif. (KABC) -- <i>The severe storms that hit California this season could end up costing the state in excess of $1 billion.</i></p><p><i>Coastal communities seem to move mountains in an effort to slow the beach erosion that threatens life near the ocean. But about 10 years ago, Surfer's Point in Ventura County became the site of a test for a managed-retreat strategy as the best way forward.</i></p><p><i>"It's really the nature-based solution and finding ways to work with nature so that people can still access this area," says Bill Hickman, Southern California regional manager for the Surfrider Foundation.</i></p>
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<div><br /></div><div><br /></div><div><div>Building on the success of the first phase of the project, the City of Ventura has submitted a grant application to pay for the construction of the $16 million “Phase 2” Managed Shoreline Retreat. The project will relocate the damaged Fairgrounds beach parking and bike path and restore the shoreline with a protective cobble beach and dunes. The State Coastal Conservancy will make a decision this summer. </div><div><br /></div><div>More info: <a href="https://www.venturariver.org/search/label/Surfers%20Point">https://www.venturariver.org/search/label/Surfers%20Point</a></div></div><div><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-31798267028708011782023-02-08T11:26:00.009-08:002023-06-01T16:14:16.149-07:00January 2023 Flood Overview <p>Aerial images provide perspective on how the Ventura River responds to flood. The wide floodplain is typical of high sediment yield watersheds, featuring braided channels that shift with each major flood event. The flood of January 9, 2023 ripped out large areas of vegetation and "re-set" the floodplain. These images were taken shortly after the storm and are organized downstream to upstream. </p><p><br /></p><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEh4ip0AGfezEgHeie9s1SdWLYY_UJFJ9CBcEWvDNn2W3QN4u7X5PMqubwumcJcEBmB-lQPUZVTzlev80Hz_Dyft0C9NNqJkssFv3Kop2TiHzxx_C526Xv0T8y7SWLYuUXqbw6gs6fwCPRaNXS01PAXMxH6E9kd_c4jXDgRiabuxHIQRQ39Uh0vKqY2-fg" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEh4ip0AGfezEgHeie9s1SdWLYY_UJFJ9CBcEWvDNn2W3QN4u7X5PMqubwumcJcEBmB-lQPUZVTzlev80Hz_Dyft0C9NNqJkssFv3Kop2TiHzxx_C526Xv0T8y7SWLYuUXqbw6gs6fwCPRaNXS01PAXMxH6E9kd_c4jXDgRiabuxHIQRQ39Uh0vKqY2-fg=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura River near Foster Park - flows overtopped the bank near the City of Ventura Nye Wells</td></tr></tbody></table><br /><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjsEOq8Sj6pCboBwEhDo5PugPrnkKDUdpQdOl4HuK0abSHYszsxiO3_ve18I9yOdnnaJiTUqvWpuYL7aTu_rJueBGfXpROBiU7nZvE0t8KnOkDgMn23JWcaLe5_egpk3lQeLDsYuZ0vtRWQ23CvnOgDVvoR1nAPGcC92PsL2T_nSm5RHPVwa82Mhzv8DQ" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEjsEOq8Sj6pCboBwEhDo5PugPrnkKDUdpQdOl4HuK0abSHYszsxiO3_ve18I9yOdnnaJiTUqvWpuYL7aTu_rJueBGfXpROBiU7nZvE0t8KnOkDgMn23JWcaLe5_egpk3lQeLDsYuZ0vtRWQ23CvnOgDVvoR1nAPGcC92PsL2T_nSm5RHPVwa82Mhzv8DQ=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Flooding near Foster Park - several homes were damaged </td></tr></tbody></table></div><br /> <table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhFB4oXmFgGL56rtD93yNMUi2fmQQyXEbtJqz-f_L7PzWCumMVoNriE2j2BVTQWOZ8h_1ORrjvSzq_EbUroIcu3nqFpylwJmZCHFzoROVjI13pCweOgfN1nGhsFMo_zs2EC1IPVk0OjRHTHcuBr34vr3t030JU3GhAlYmjEYtqb1OabfpAbhf5PA-Ua7A" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEhFB4oXmFgGL56rtD93yNMUi2fmQQyXEbtJqz-f_L7PzWCumMVoNriE2j2BVTQWOZ8h_1ORrjvSzq_EbUroIcu3nqFpylwJmZCHFzoROVjI13pCweOgfN1nGhsFMo_zs2EC1IPVk0OjRHTHcuBr34vr3t030JU3GhAlYmjEYtqb1OabfpAbhf5PA-Ua7A=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura River near Oak View - stream bank erosion damaged the Ventura River Trail and broke the main sewer line - combined with a similar broken line on San Antonio Creek 14 million gallons of sewage were estimated to have spilled into the river closing beaches for more than a week</td></tr></tbody></table><div class="separator" style="clear: both; text-align: center;"><br /></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgAD7ub93sz97WBiGClVumzTN-7xgfIuLZBIs524sfLNdDQKQ-7dC9IQ07wa2kbgSCMR3uwcXo7ZztfD7GEM4gCM5H4Ou6JOLfUEPA5378tlkmqaKrmpTEf41_MkZGTMBMSazOIqzRmYVRXWJCVsVIsbHkNT27VEpUUoLiD0Lfd7akoTqM0HnwEeC8bbQ" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="852" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEgAD7ub93sz97WBiGClVumzTN-7xgfIuLZBIs524sfLNdDQKQ-7dC9IQ07wa2kbgSCMR3uwcXo7ZztfD7GEM4gCM5H4Ou6JOLfUEPA5378tlkmqaKrmpTEf41_MkZGTMBMSazOIqzRmYVRXWJCVsVIsbHkNT27VEpUUoLiD0Lfd7akoTqM0HnwEeC8bbQ=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura River downstream of Santa Ana Bridge</td></tr></tbody></table><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEg2b4zgaXlN8BYgK7IqO15Sx-9yPOWkYk1hQCRX-U1A6CX_WVr8ufXxH-Y2muGUMMgoGEaqACecwQ0CslAQWKtvChIN4mehrZzM6gX9U05jvnYmZNZYl1tjEQ5SZmh7dyL3Tx5U_mnumiMnAFubJthp3388YDnGdlH-aE73CzMDAj1yM40HZGRM2JSDHA" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="852" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEg2b4zgaXlN8BYgK7IqO15Sx-9yPOWkYk1hQCRX-U1A6CX_WVr8ufXxH-Y2muGUMMgoGEaqACecwQ0CslAQWKtvChIN4mehrZzM6gX9U05jvnYmZNZYl1tjEQ5SZmh7dyL3Tx5U_mnumiMnAFubJthp3388YDnGdlH-aE73CzMDAj1yM40HZGRM2JSDHA=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura River at Santa Ana Bridge - the bridge was recently replaced widening the river to accommodate high flows and future increased sediment transport with Matilija Dam removal</td></tr></tbody></table><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgFV9CYUitsYCtqf3ObZnnwx5gbYrW-LDvu7H_SyX6vZWFcD2Ph0upSZ8EGTxQs-SWImCFodHBuuJHbQmcWLPvWPIHm4DQPxWDbB7AA3mezB0d3c96zTk4A8NsgtxQlhQFSgz_pfKt9rr6iFt1ZFzQ7aGUXgekOOKGF3ZsZQ7FVgfHAgp3EsKl7gvZ0qQ" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEgFV9CYUitsYCtqf3ObZnnwx5gbYrW-LDvu7H_SyX6vZWFcD2Ph0upSZ8EGTxQs-SWImCFodHBuuJHbQmcWLPvWPIHm4DQPxWDbB7AA3mezB0d3c96zTk4A8NsgtxQlhQFSgz_pfKt9rr6iFt1ZFzQ7aGUXgekOOKGF3ZsZQ7FVgfHAgp3EsKl7gvZ0qQ=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Live Oak levee upstream of Santa Ana Bridge - similar damage occurred in the 2005 flood - this levee is currently in final design for reconstruction as part of the Matilija Dam Ecosystem Restoration Project</td></tr></tbody></table><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhRv8vleFDXf01tEQwoSti9DgWcYTTxuG5F4PIqHTw6ZfO46Bh_u9u-o--YUz6dtsS12-4qyvTx5bCuzEwYiDRb-P7ruJ9O2aEbiMld1P-7FBCeR66QSniAd6204X5quCFU8D2LL9OwB2sfWXO8Rk9r31FRibZw8iRv1I9IpFfwUD5ZU7r9zfJOIuSiDQ" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEhRv8vleFDXf01tEQwoSti9DgWcYTTxuG5F4PIqHTw6ZfO46Bh_u9u-o--YUz6dtsS12-4qyvTx5bCuzEwYiDRb-P7ruJ9O2aEbiMld1P-7FBCeR66QSniAd6204X5quCFU8D2LL9OwB2sfWXO8Rk9r31FRibZw8iRv1I9IpFfwUD5ZU7r9zfJOIuSiDQ=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura River at Highway 150 bridge</td></tr></tbody></table><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiQUDzfZwIIs7nqcxuVO4TC_nk1fRHMuhw-FEbyGEZJ9YpCRtrLkfcQqwNfavOrnm2Ez6_cRAun1Gva4T24jhPw4d-gqW8O-wz6OUsUQtYEoAiZ_tdTFYitPYAflxG6SMxZ2DI184H_EFj5pAVkXtQcLunHjQ4375TmRUZ6FpVjaLFvIzo9t_eySk_Ekw" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="1246" data-original-width="2320" height="344" src="https://blogger.googleusercontent.com/img/a/AVvXsEiQUDzfZwIIs7nqcxuVO4TC_nk1fRHMuhw-FEbyGEZJ9YpCRtrLkfcQqwNfavOrnm2Ez6_cRAun1Gva4T24jhPw4d-gqW8O-wz6OUsUQtYEoAiZ_tdTFYitPYAflxG6SMxZ2DI184H_EFj5pAVkXtQcLunHjQ4375TmRUZ6FpVjaLFvIzo9t_eySk_Ekw=w640-h344" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura River above Highway 150 <br />the Ventura River Preserve protects open space for recreation and natural floodplain management </td></tr></tbody></table><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjylRCfe4MrBDfvGTv-2e3cOitoFOd1JI0ax8KFsL4grHHriWjQl3ETJCLWRyUfHHHT8mkZv7S84AxpVBcJunOZfA1KAjbTjFDKVY7_T999zt1e3v-6ssvH5lZmzFpMVqCBavclcyTx7lx7siJo7eWX-Peo4nN1l-mP2PQoMG87SCuKzyKjRzqNA9pCdg" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEjylRCfe4MrBDfvGTv-2e3cOitoFOd1JI0ax8KFsL4grHHriWjQl3ETJCLWRyUfHHHT8mkZv7S84AxpVBcJunOZfA1KAjbTjFDKVY7_T999zt1e3v-6ssvH5lZmzFpMVqCBavclcyTx7lx7siJo7eWX-Peo4nN1l-mP2PQoMG87SCuKzyKjRzqNA9pCdg=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Robles Diversion - the flood filled the forebay with sediment and breached the timber cutoff wall<br />Casitas Municipal Water District quickly implemented emergency repairs to restore water<br /> diversions to Lake Casitas<div class="separator" style="clear: both; text-align: center;"><br /></div></td></tr></tbody></table> <br /><div class="separator" style="clear: both; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgFGACbdAwFn2xQ06WsUDjhNo37JGewy2ov6QZyMeHtuQ_oeuhPsszu2af4koTkJ2lZ5Po0g2ZNoeL1Z65GoF8_Dg72M55sjDlksGeisBqahoRP1a73uePiLlhzD_7xxJHaC6UyB9OIm88DKoA5pVngrO9sSRj0veVDvJ5BGOAg9AV_Hxd3_hW4B4WSyA" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="2162" data-original-width="3186" height="434" src="https://blogger.googleusercontent.com/img/a/AVvXsEgFGACbdAwFn2xQ06WsUDjhNo37JGewy2ov6QZyMeHtuQ_oeuhPsszu2af4koTkJ2lZ5Po0g2ZNoeL1Z65GoF8_Dg72M55sjDlksGeisBqahoRP1a73uePiLlhzD_7xxJHaC6UyB9OIm88DKoA5pVngrO9sSRj0veVDvJ5BGOAg9AV_Hxd3_hW4B4WSyA=w640-h434" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"><span style="text-align: left;">Ventura River upstream of Robles Diversion <br />stream bank erosion exposed and broke the Matilija Conduit which supplies Casitas water to property owners upstream</span></td></tr></tbody></table><br /></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjf-ybJNJ0aqXCl-Xw0CcDyyv_0BgEQyj-rWnsZcUEBPEtZQS_ZElC8rNTsFQIjwp15PqepkoIpsOx9Q2UNUo8wZHtMbCujBW8T7Xs9Nm1k36OMiRtmYFnUzaRGusqwUBhal5LDG49vV2rzATNxCfe1AjfyELdOsSCfqBuNoegP3gvmVhde1WaAoK-zYg/s1728/Ojala-MatilijaOverview1-15-2023%20copy.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1035" data-original-width="1728" height="384" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjf-ybJNJ0aqXCl-Xw0CcDyyv_0BgEQyj-rWnsZcUEBPEtZQS_ZElC8rNTsFQIjwp15PqepkoIpsOx9Q2UNUo8wZHtMbCujBW8T7Xs9Nm1k36OMiRtmYFnUzaRGusqwUBhal5LDG49vV2rzATNxCfe1AjfyELdOsSCfqBuNoegP3gvmVhde1WaAoK-zYg/w640-h384/Ojala-MatilijaOverview1-15-2023%20copy.jpg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura River near Ojala - this view looking upstream includes Matilija Canyon and Matilija Dam - flood flows severely damaged the Camino Cielo crossing which provides access from Highway 33 to several properties - a new bridge is being designed as part of the Matilija Dam Ecosystem Restoration Project</td></tr></tbody></table><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjBRxLzIunAM_uEtP-z49JS2Capc7nCElzR8q-r6dTVh3k67ctHrhfB5X7vHUuDDBWY-JUQ3e_6tvHRLZuIp_lhuiVDnAXCUKZjZcTVljJHxZer1D_yYIZ9WO4hSGSwmEvySa4kl41zCPZtekihe-PIiMVYKtz2YcC2asO1TSjRoWp6QHJLs22RlmlAyg" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="906" data-original-width="1454" height="398" src="https://blogger.googleusercontent.com/img/a/AVvXsEjBRxLzIunAM_uEtP-z49JS2Capc7nCElzR8q-r6dTVh3k67ctHrhfB5X7vHUuDDBWY-JUQ3e_6tvHRLZuIp_lhuiVDnAXCUKZjZcTVljJHxZer1D_yYIZ9WO4hSGSwmEvySa4kl41zCPZtekihe-PIiMVYKtz2YcC2asO1TSjRoWp6QHJLs22RlmlAyg=w640-h398" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Photo published in the Ojai Valley News shows the extent of debris flows on Highway 33 - the Highway was closed indefinitely for repairs </td></tr></tbody></table><p><br /></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiCOj8lsAsZTDtOB6uM47lMw4qvZFPcMnaVM8ppJXiQORkyF_7hP5ebNxsEs0zGxvR_m0nyyJ3_cQlTOZsfV_ZbTywKyLV_DU8geOkWJPmIKnzGQCSTnQCa9MBxHKtpPR8oS5B9ZFsnZ_bkzbkVV_ZAFBbyec-mm778enJeYZHhAyM8JGJepSm3RlCInA" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="448" data-original-width="730" height="392" src="https://blogger.googleusercontent.com/img/a/AVvXsEiCOj8lsAsZTDtOB6uM47lMw4qvZFPcMnaVM8ppJXiQORkyF_7hP5ebNxsEs0zGxvR_m0nyyJ3_cQlTOZsfV_ZbTywKyLV_DU8geOkWJPmIKnzGQCSTnQCa9MBxHKtpPR8oS5B9ZFsnZ_bkzbkVV_ZAFBbyec-mm778enJeYZHhAyM8JGJepSm3RlCInA=w640-h392" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Damage to Highway 33 along North Fork Matilija Creek - photo published by CalTrans</td></tr></tbody></table><br /><br />(all photos courtesy Rich Reid rich@richreidphoto.com except where noted)<p></p><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><b>Hindsight Analysis of the 2023 Flood</b></div><div class="separator" style="clear: both; text-align: left;"><b><br /></b></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; font-weight: bold; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhawxiyR5XEDTHNL6_kX_enKTj6DfdNfTcarkk22aQddHo35j45WxhR4MYbUROhOVZKQWQlvnR2TSS3kogVKJlVyclAhUQBtSuwJxltkElgZzmo1IudSSjg_KeevWMa2Se89Pn7hvFZiLmXOk-EC0ssNmcfJXhNPJ2xnzgMDoxkKxIHyfZf9dPCx3C_MA/s1662/forecast%202023-01-03.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1662" data-original-width="1604" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhawxiyR5XEDTHNL6_kX_enKTj6DfdNfTcarkk22aQddHo35j45WxhR4MYbUROhOVZKQWQlvnR2TSS3kogVKJlVyclAhUQBtSuwJxltkElgZzmo1IudSSjg_KeevWMa2Se89Pn7hvFZiLmXOk-EC0ssNmcfJXhNPJ2xnzgMDoxkKxIHyfZf9dPCx3C_MA/s320/forecast%202023-01-03.png" width="309" /></a></div><br /><div class="separator" style="clear: both; font-weight: bold; text-align: center;"><br /></div>Forecasters predicted 8 inches of rain for the January 6 storm. However, after the first 8 inches accumulated on already saturated ground another 8 inches fell in less than 8 hours on the ridges and in Matilija canyon. The the third in a succession of atmospheric rivers, this storm ultimately delivered over 18 inches to the steep mountains of the Ventura River watershed.</div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR3aaRpkixUqz1mRgr4XNUAXudeztECO07qidmA7gbF2Zp6kSMOxHLUVf80HSMC6OtTFUWUbFDOWtmEHq9VdxpyHajkP4JpGN1hVX1RqVKNfNWL__vOQn4eNhIG2NPaqsdtfsdUjLfRjWyRVHm76DDgqRjHY_G78_RqaWZrnC54l-r-poxRFS820nh8w/s1822/VenturaRiverHydrographJan2023.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="840" data-original-width="1822" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR3aaRpkixUqz1mRgr4XNUAXudeztECO07qidmA7gbF2Zp6kSMOxHLUVf80HSMC6OtTFUWUbFDOWtmEHq9VdxpyHajkP4JpGN1hVX1RqVKNfNWL__vOQn4eNhIG2NPaqsdtfsdUjLfRjWyRVHm76DDgqRjHY_G78_RqaWZrnC54l-r-poxRFS820nh8w/w640-h296/VenturaRiverHydrographJan2023.png" width="640" /></a></div><div class="separator" style="clear: both; text-align: left;">The USGS flow gage at Foster Park is the primary indicator for flood flows on the Ventura River. This hydrograph includes the upstream USGS gage below Matilija Dam. Unfortunately neither of these gages measured the peak of the flood on January 6.</div><br /></div><div class="separator" style="clear: both; text-align: left;">Ventura County Watershed Protection District provides a chart with flood impacts expected for specific flows at certain gages. The chart below shows these impacts for the Foster Park gage.</div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghxjyHkmzA_SiVY6sxaEY4K5JrOla1fLhMduXCTssPkGypDlSkHbJrU0tIWHK3aMRkytWIt8ygFbYGKWreTpoVdiGQcZfv59uP04keR3DfZ_Umb91wS7o6H6FgL-tWizk3LwfY0XE4HNKn91T7IuRRnG5UviPUmaxpfD0KfErghfzkVSPWLL17XkYOPg/s3370/WPDFloodLevels%20copy.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1582" data-original-width="3370" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghxjyHkmzA_SiVY6sxaEY4K5JrOla1fLhMduXCTssPkGypDlSkHbJrU0tIWHK3aMRkytWIt8ygFbYGKWreTpoVdiGQcZfv59uP04keR3DfZ_Umb91wS7o6H6FgL-tWizk3LwfY0XE4HNKn91T7IuRRnG5UviPUmaxpfD0KfErghfzkVSPWLL17XkYOPg/w640-h300/WPDFloodLevels%20copy.jpg" width="640" /></a></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">Extrapolating these impacts it is reasonable to assume that with the closure of Highway 101 Foster Park probably experienced peak flows over 40,000 cfs. According to the USBR chart below this corresponds to perhaps a 20 year event in the lower part of the watershed.</div><div class="separator" style="clear: both; text-align: left;"><br /></div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpPITVlLtXnBX0i5tLaGNmdvaYpSDVTTSWK3VARTmBfuT85BRE1NTn_xuYx6mcHcEHAf1Nd5U9VBIzcO1dxk_mD0RCymJIBRCGQXZgTRZLAWNLkPMgrqGzUTn6bIezL3di4gN3tjIg8gpU9HBA_jQBYY4C8R-v8sGHDaTOGa9GhE6w6WPCbye-8lRz1w/s1400/Ventura%20RiverFlowChart%20copy2.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="952" data-original-width="1400" height="435" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgpPITVlLtXnBX0i5tLaGNmdvaYpSDVTTSWK3VARTmBfuT85BRE1NTn_xuYx6mcHcEHAf1Nd5U9VBIzcO1dxk_mD0RCymJIBRCGQXZgTRZLAWNLkPMgrqGzUTn6bIezL3di4gN3tjIg8gpU9HBA_jQBYY4C8R-v8sGHDaTOGa9GhE6w6WPCbye-8lRz1w/w640-h435/Ventura%20RiverFlowChart%20copy2.jpg" width="640" /></a></div><div>However, based upon Casitas Municipal Water District reports of over 23,000 cfs at the Robles Diversion it is likely that the upper watershed experienced a 50-year event. This would be consistent with the damage experienced in Matilija Canyon and along Highway 33, which is likely to remain closed for a year. (The last time the cutoff wall at Robles Diversion failed was 1969.) </div><br />Note that Watershed Protection estimates that damage to the homes near Foster Park would not occur until the 60,000 cfs flow level. As illustrated in the photos above this year's flooding did impact those residents suggesting that possibly vegetation and debris backed up flows under the Casitas Vista bridge below Foster park. This neighborhood was recently removed from the FEMA 100-yr floodplain.<div><br /></div><div>Also note that, as predicted, flows over 25,000 cfs resulted in damage to the Ojai Sanitation District sewer line along the bike path. (Another sewer line also failed on San Antonio Creek along with significant property damage in that tributary.) </div><div><br /></div><div>The flood of January 6, 2023 was a historic event with significant impacts to infrastructure and property in the Ventura River watershed. (The chart below was compiled before the 2005 flood)<br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjygJkDBO9Vzi0biX6tLtJIORUnvaJ9VsMp_PC4L_ZyEh8u4dFwt-LOsdTIcuUItfhIeGOED81N89WF0-FltftPdQrbnkWbTT6nH7FeUXf_foAfVrWn8Z9m8rn9tMJ9eZTFDW0a0sM7iqdNYFHmpbaC5udPcyVTDcsbdhd4hThBQbTrlUl7ArVUgwIRuw/s1216/VenturaRiverHistoricFloodFlows.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="584" data-original-width="1216" height="193" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjygJkDBO9Vzi0biX6tLtJIORUnvaJ9VsMp_PC4L_ZyEh8u4dFwt-LOsdTIcuUItfhIeGOED81N89WF0-FltftPdQrbnkWbTT6nH7FeUXf_foAfVrWn8Z9m8rn9tMJ9eZTFDW0a0sM7iqdNYFHmpbaC5udPcyVTDcsbdhd4hThBQbTrlUl7ArVUgwIRuw/w400-h193/VenturaRiverHistoricFloodFlows.png" width="400" /></a></div></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">On June 1, WPD hydrologist Scott Holder provided an overview of the flood for the <a href="https://venturawatershed.org" target="_blank">Ventura River Watershed Council</a>. His flow estimates and other data are presented in the slides below:</div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzh_0ocJBfPELAacyPyh9Le6rt8E8m4YJQFBYX_qgb5eJJb7w1G62ohIfVNCyLvRLDS5HruOZA_Xj-KR0ULXFNSgZB-6SVo16YN0Unbgjluh8Jfv0B8TEr6DiQWz_Sm9jDahkcEDaMkxVdiH9hRmXkzA84bknnwxMwWW-wArd4S2khOyJGeFEtJzv57g/s3844/WPD2023FloodEstimates.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2164" data-original-width="3844" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzh_0ocJBfPELAacyPyh9Le6rt8E8m4YJQFBYX_qgb5eJJb7w1G62ohIfVNCyLvRLDS5HruOZA_Xj-KR0ULXFNSgZB-6SVo16YN0Unbgjluh8Jfv0B8TEr6DiQWz_Sm9jDahkcEDaMkxVdiH9hRmXkzA84bknnwxMwWW-wArd4S2khOyJGeFEtJzv57g/w640-h360/WPD2023FloodEstimates.png" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5I7EjQW0slJXRI8nCZn5zpkbuEGSatPtVfU1m1dlbnbahN7YHAqWmP1qU8pI5DeEpt63e-gekSvs5y-0HUdUORHluLo-wmu915UbL3kYy6lAhFOetB5aO3DSPHfz17g517qQaRdFfpTD76Mz_234qZ91ZJdNIGwTo4zj8rbQEFrys28pGTJqeYIbR9Q/s3850/WPD2023FloodRainfall.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2162" data-original-width="3850" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj5I7EjQW0slJXRI8nCZn5zpkbuEGSatPtVfU1m1dlbnbahN7YHAqWmP1qU8pI5DeEpt63e-gekSvs5y-0HUdUORHluLo-wmu915UbL3kYy6lAhFOetB5aO3DSPHfz17g517qQaRdFfpTD76Mz_234qZ91ZJdNIGwTo4zj8rbQEFrys28pGTJqeYIbR9Q/w640-h360/WPD2023FloodRainfall.png" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKYeh4W0K0-1xX3vKM1P5FCRtFC8XrLatFAsdT6ThohkYFBigm6_bWx0y9tm5IDfUsbzBmrjg-hnSVGun8Om0FfTmHnEpSTHC6ctplGtfKVJVnsUXiy4qyTm2Mnv753XXcYAVl4sty9a3Pmaq5imBOydjzfiKqWFpLSXOFv1GyMBH1LqiBPdH9upn9jw/s3850/WPD2023FloodReservoirs.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2164" data-original-width="3850" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKYeh4W0K0-1xX3vKM1P5FCRtFC8XrLatFAsdT6ThohkYFBigm6_bWx0y9tm5IDfUsbzBmrjg-hnSVGun8Om0FfTmHnEpSTHC6ctplGtfKVJVnsUXiy4qyTm2Mnv753XXcYAVl4sty9a3Pmaq5imBOydjzfiKqWFpLSXOFv1GyMBH1LqiBPdH9upn9jw/w640-h360/WPD2023FloodReservoirs.png" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">And the <a href="https://venturariverwd.com" target="_blank">Ventura River Water District</a> published their <a href="https://mailchi.mp/a004d6866dda/ventura-river-water-district-may-2023-newsletter?e=f7ce7e6eeb" target="_blank">June 1 water supply update</a> showing lake and aquifer levels:</div><div class="separator" style="clear: both; text-align: left;"><br /></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnyZvSMsnNdcr2nwBF2lnrAqfhlCAFDkJkc9SMlY_Gz94gSrkM3oecy8oGPL3_KA4ob9lXzwWxbAb9TLJotNBoqARevXwBrtIjvMDR0Y4XJzkkCQhOQdLT66Z6kFr1Jh4mJxV0vv4398ZklGSlZV3ZNMslm01LZeWrw3Mx_Wk6GI88sYpO890bS8eBiQ/s1500/watersupply6-2023.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1500" data-original-width="1158" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnyZvSMsnNdcr2nwBF2lnrAqfhlCAFDkJkc9SMlY_Gz94gSrkM3oecy8oGPL3_KA4ob9lXzwWxbAb9TLJotNBoqARevXwBrtIjvMDR0Y4XJzkkCQhOQdLT66Z6kFr1Jh4mJxV0vv4398ZklGSlZV3ZNMslm01LZeWrw3Mx_Wk6GI88sYpO890bS8eBiQ/w494-h640/watersupply6-2023.jpg" width="494" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"></td></tr></tbody></table><br /><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-73072509545844879792023-02-02T15:29:00.002-08:002023-03-10T17:19:57.654-08:00Ventura Rivermouth after flood<div>On January 9, 2023, flows on the Ventura River peaked over 35,000 cfs. At this flood stage overbank flows enter agricultural lands and flow through the RV Park and were high enough to flow over Highway 101 stopping traffic. These flows exit to the ocean through the historic second mouth of the river in Emma Wood State park visible to the left in the photo below. Although the official flows are not yet in, this was perhaps a once-in-a-decade flood similar to 2005.</div><div><br /></div><div>High flows transport significant amounts of sediment down the river and into the Pacific Ocean. A large cobble berm formed at the rivermouth and was transported along the shoreline at Surfers Point by the coinciding large Pacific swell. Subsequent swells and tides continue to rearrange this berm, and sand has moved into the rivermouth with a reduced wave climate. Surf conditions since the flood indicate nearshore sand bars, and this sand will move onshore making for wide beaches in the summer months. </div><div><br /></div><div><br /></div><div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEi1IxtVm1fxwAlucpfqxiuWcbK0c96sRwA2c2IGpBjWWDh36fL_GoAwhOSkLLqBpwlKAMYRC5dfzXkQlMF2ycLQ6Ma5QYkuYYT2vPSXDVp6Go5IMoJCNB65OYWq5T-WheySLtLrkkXxnvQM8TfYanu-kYxi7RKt_HeXmAUj1KezOkSUlgHdyIk9P9Ip5Q" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="2124" data-original-width="3796" height="358" src="https://blogger.googleusercontent.com/img/a/AVvXsEi1IxtVm1fxwAlucpfqxiuWcbK0c96sRwA2c2IGpBjWWDh36fL_GoAwhOSkLLqBpwlKAMYRC5dfzXkQlMF2ycLQ6Ma5QYkuYYT2vPSXDVp6Go5IMoJCNB65OYWq5T-WheySLtLrkkXxnvQM8TfYanu-kYxi7RKt_HeXmAUj1KezOkSUlgHdyIk9P9Ip5Q=w640-h358" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura Rivermouth 1-10-2023</td></tr></tbody></table></div><div><br /></div><br /><div class="separator" style="clear: both;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnjnieEvwDZ3AKbKUrwVNcPv-QxyiKeBSHSdEO3ZsxIVwt7l_7i_KMVYZPDso5aMgb-zgCYYfm5-zrQUEvx4bfzAH-O2ZShZXstL3HycosdcYEf2LaU_nbk6D5_duJGs58OSaVTHoR59VblrOQzI84yL3fAee8BEk0s1N1iPTirqYnCuWoO9f5wDUbzQ/s3958/TaylorRanchEmmaFloodJan2023.png" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="2384" data-original-width="3958" height="386" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnjnieEvwDZ3AKbKUrwVNcPv-QxyiKeBSHSdEO3ZsxIVwt7l_7i_KMVYZPDso5aMgb-zgCYYfm5-zrQUEvx4bfzAH-O2ZShZXstL3HycosdcYEf2LaU_nbk6D5_duJGs58OSaVTHoR59VblrOQzI84yL3fAee8BEk0s1N1iPTirqYnCuWoO9f5wDUbzQ/w640-h386/TaylorRanchEmmaFloodJan2023.png" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Taylor Ranch and RV Park upstream of Ventura Rivermouth 1-10-2023</td></tr></tbody></table><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUTNG3mDikp2kZP0K_-wTXMc8ZnwBlUpo7zGtHb4TPeBZ7PuTa5Ip7USF2rljB_Be9SUGMtgW2_teWnIxIctCwQL6WGK_Si_v9ym40g_tSVg5lgcxj5O1c1NjFjSB_WiWXPhoP3lpRYNxmWgEf9roSjQjH9IFOP0NTeop8nM_R4UynwtwZU20xUEdpNQ/s3796/VenturaRivermouthFlood2023.png" style="display: block; padding: 1em 0px; text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><img border="0" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHjQfmMpwYWCE1YgME2sBKTcf1hQVwVzUx1GQQiD5ghb_kg9Eg4z53y7XUrLO19RINBogiUbaAbn89eJwvAAY2AeXah1eT5DyQ_YwCYKlLICcLdLBG88dvvG_FYUKOr54uhYC1J1ASDBfPozcIH7JFzXI9RIa5CVfhPVie9SX7RfglrDQ3qEfn97WfYw/w640-h426/VenturaRivermouth%201_18_23.jpeg" style="margin-left: auto; margin-right: auto;" width="640" /></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura Rivermouth 1-18-2023</td></tr></tbody></table></a><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUTNG3mDikp2kZP0K_-wTXMc8ZnwBlUpo7zGtHb4TPeBZ7PuTa5Ip7USF2rljB_Be9SUGMtgW2_teWnIxIctCwQL6WGK_Si_v9ym40g_tSVg5lgcxj5O1c1NjFjSB_WiWXPhoP3lpRYNxmWgEf9roSjQjH9IFOP0NTeop8nM_R4UynwtwZU20xUEdpNQ/s3796/VenturaRivermouthFlood2023.png" style="display: block; padding: 1em 0px; text-align: center;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHjQfmMpwYWCE1YgME2sBKTcf1hQVwVzUx1GQQiD5ghb_kg9Eg4z53y7XUrLO19RINBogiUbaAbn89eJwvAAY2AeXah1eT5DyQ_YwCYKlLICcLdLBG88dvvG_FYUKOr54uhYC1J1ASDBfPozcIH7JFzXI9RIa5CVfhPVie9SX7RfglrDQ3qEfn97WfYw/s1280/VenturaRivermouth%201_18_23.jpeg" style="margin-left: 1em; margin-right: 1em;"><br /></a></div><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjMw-nMyvmkjGOo300VB66FTKJC7BDkCc8BgA5a_aSmdjvqUOlrcBtoVXniyAUSZj2177IQv_FKTbhoAc0o0d15d_3p6XEyWBdH-ATR3rwQdjdsd8dZCp9qQdS5H9mFdOJ28NswjElkgDivtIMBKilnnaBbJ7dYidtS-0okoi3Uc-VzBXQhGjFqTGU6_A" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/a/AVvXsEjMw-nMyvmkjGOo300VB66FTKJC7BDkCc8BgA5a_aSmdjvqUOlrcBtoVXniyAUSZj2177IQv_FKTbhoAc0o0d15d_3p6XEyWBdH-ATR3rwQdjdsd8dZCp9qQdS5H9mFdOJ28NswjElkgDivtIMBKilnnaBbJ7dYidtS-0okoi3Uc-VzBXQhGjFqTGU6_A=w640-h426" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Surfers Point 1-18-2023</td></tr></tbody></table><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsqKw2k-EJCN-8j3hHnsb6r7kT-cB8dAt0As3beX7X6DYJ5wmle790Yzo9QvXMTuOnywRHDbql2oPK7R96PM7XIgrlfkLGWUI5Jma6VH9E0HOI9OoOyv5QTdZScSlige2z5KSxl8Aet2E_A35G-wwVYCEeK_dZpS2zUL0IKuuXgCUS0OKo1fZduIvNrw/s1280/VenturaRivermouth%201_18_23-3.jpeg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="853" data-original-width="1280" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsqKw2k-EJCN-8j3hHnsb6r7kT-cB8dAt0As3beX7X6DYJ5wmle790Yzo9QvXMTuOnywRHDbql2oPK7R96PM7XIgrlfkLGWUI5Jma6VH9E0HOI9OoOyv5QTdZScSlige2z5KSxl8Aet2E_A35G-wwVYCEeK_dZpS2zUL0IKuuXgCUS0OKo1fZduIvNrw/w640-h426/VenturaRivermouth%201_18_23-3.jpeg" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura Rivermouth 1-18-2023</td></tr></tbody></table><br /><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEgELhuahJT2KxaXKFjx0oJLBBFgHR_tjqIuDl3zA2NpfCnbSkAr1PPFWZDZegYuGG_5aDRhrthdrYCzDbwVkJMcS_o57KummZUHdF82nFtlkMzWmVl9YSDwE6z301iEmOo4OXrXZW38umTwCfmnuu1feHLTG-GjCpriHKcZx1NVCgbt6X5f9zwDMAySRw" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="897" data-original-width="1446" height="398" src="https://blogger.googleusercontent.com/img/a/AVvXsEgELhuahJT2KxaXKFjx0oJLBBFgHR_tjqIuDl3zA2NpfCnbSkAr1PPFWZDZegYuGG_5aDRhrthdrYCzDbwVkJMcS_o57KummZUHdF82nFtlkMzWmVl9YSDwE6z301iEmOo4OXrXZW38umTwCfmnuu1feHLTG-GjCpriHKcZx1NVCgbt6X5f9zwDMAySRw=w640-h398" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Ventura Rivermouth 1-31-2023<br />(credit: Dr. K Patsch)</td></tr></tbody></table><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUTNG3mDikp2kZP0K_-wTXMc8ZnwBlUpo7zGtHb4TPeBZ7PuTa5Ip7USF2rljB_Be9SUGMtgW2_teWnIxIctCwQL6WGK_Si_v9ym40g_tSVg5lgcxj5O1c1NjFjSB_WiWXPhoP3lpRYNxmWgEf9roSjQjH9IFOP0NTeop8nM_R4UynwtwZU20xUEdpNQ/s3796/VenturaRivermouthFlood2023.png" style="display: block; padding: 1em 0px; text-align: center;"><br /></a><div style="caret-color: rgb(0, 0, 0); color: black; text-align: left; text-decoration: none;">(All photos courtesy Rich Reid rich@richreidphoto.com except where noted)</div><div style="caret-color: rgb(0, 0, 0); color: black; text-align: left; text-decoration: none;"> </div><div><br /></div><div style="text-align: left;"><br /></div></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-91252027381240524602022-07-01T13:25:00.003-07:002024-03-12T10:08:44.010-07:00Ojai Quarry Amended Reclamation Plan and Sale<p> On October 21, 2021, the Ventura County Planning Commission approved the Reclamation Plan Amendment (RPA; Case Number PL18-0136) prepared for the Ojai Quarry mining facility. This action by the Planning Commission became effective on November 2, 2021, since an appeal of the Planning Commission’s decision was not filed within the 10-day appeal period specified by the Non-Coastal Zoning Ordinance. The decision to approve the RPA constitutes a final administrative action by the County of Ventura on the PL18-0136 application.</p><p>According to the Ojai Valley News, the Planning Commission;</p><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><p style="text-align: left;"><i>approved changes to the plan requested by quarry owner Larry Mosler, and denied the appeal by environmental groups Los Padres ForestWatch, the Environmental Coalition and the Ojai Stop the Trucks! Coalition. Reclamation of mined lands is necessary to prevent or minimize adverse effects on the environment and to protect the public health and safety, and a plan for the process once mining operations have ceased is required by state law. In 2017, the Ventura County Board of Supervisors authorized mining operations at the quarry to continue until 2046. After operations cease, the site will be returned to open space. On June 25, Ventura County Planning Director Dave Ward approved changes to <b>the quarry’s former plan, which would have required approximately 97,000 cubic yards of material to fill overexcavated areas </b>at the quarry at 15558 Maricopa Highway. Under the amended reclamation plan, the existing ground surface in the overexcavated area will be allowed to constitute part of the final reclaimed surface, largely eliminating the need for backfill. On June 30, the appellants filed an appeal to Ward’s decision citing two grounds of appeal, the first stating the county’s decision was issued in error because ongoing violations of permit conditions exist regarding landscaping and viewshed protections along Highway 33.</i></p></blockquote><p> With this final regulatory hurdle removed, the quarry is now up for sale:</p><p></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEipRN2zgo5DlKBAgL2UhOpKNFDa4Owq8PYhug9WGeXrXFagAu-RdGrGKlQJprLGxqPU1VLgkxH5-HV48Jbcdf6zzcntrmMJ-wcqf7M-RDj9vUDs0Ikxhj66CFweDXFIWeFtJEL_8aWKzaAPr4z5MLqnKMuriOlb_m8ZTLZ9GLnvNTW8eDCMhv0uyY7X3Q" style="margin-left: auto; margin-right: auto;"><img alt="" data-original-height="1568" data-original-width="2400" height="418" src="https://blogger.googleusercontent.com/img/a/AVvXsEipRN2zgo5DlKBAgL2UhOpKNFDa4Owq8PYhug9WGeXrXFagAu-RdGrGKlQJprLGxqPU1VLgkxH5-HV48Jbcdf6zzcntrmMJ-wcqf7M-RDj9vUDs0Ikxhj66CFweDXFIWeFtJEL_8aWKzaAPr4z5MLqnKMuriOlb_m8ZTLZ9GLnvNTW8eDCMhv0uyY7X3Q=w640-h418" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">https://www.getdigsy.com/listing/1555-maricopa-hwy-ojai-ca-for-sale-454361/<br /></td></tr></tbody></table><br /><br /><p></p><p>In the news:</p><p><a href="https://www.ojaivalleynews.com/news/county-planning-commission-denies-appeal-of-ojai-quarry-amended-reclamation-plan/article_c4c9d65f-0abd-5fe1-89cf-8f57398a916d.html"> County Planning Commission denies appeal of Ojai Quarry amended reclamation plan</a></p><p><a href="https://www.ojaivalleynews.com/news/ojai-officials-oppose-ojai-quarry-reclamation-plan-change/article_a24c2c00-16f9-5044-8242-6593b1352643.html">Ojai officials oppose Ojai Quarry reclamation plan change</a></p><p><br /></p><p>More: <a href="https://www.venturariver.org/search/label/Ojai%20Quarry" target="_blank">Ojai Quarry</a></p><p><br /></p><p>Reference:</p><p><a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwilz8yfxNj4AhUVK0QIHa-cAUwQFnoECAwQAQ&url=https%3A%2F%2Fvcrma.org%2Fdocs%2Fimages%2Fpdf%2Fplanning%2Fhearings%2Fpd%2F05-27-21_MF_PL18-0136.pdf&usg=AOvVaw3Q1VevkB5kDGIJ9fNN1NzW" target="_blank">Ojai Quarry Reclamation Plan Amendment - vcrma</a></p><p><a href="https://ventura.primegov.com/Portal/Meeting?compiledMeetingDocumentFileId=19218" target="_blank">Planning Commission meeting recording</a></p><p><br /></p><p><br /></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-49662077843948569952022-06-20T12:38:00.001-07:002023-12-08T20:41:39.334-08:00Matilija Dam Student video<p><br /></p><p>This spring, Buena High School students created a video on the removal of Matilija Dam. These students are participants in the <a href="https://www.meritofoundation.org/eeccoa-program" target="_blank">ECCOA Program of the MERITO Foundation</a>. </p><p><i>EECCOA empowers students to address climate change and ocean acidification by providing them the tools to research, design and innovate Energy Efficiency or other sustainability models their schools can adopt, or develop Ocean Acidification (OA) awareness campaigns that inform their communities.</i></p><p>To bring awareness of the Matilija Dam and its removal, Breanna and Ixzel interviewed Paul Jenkin from the Surfrider Foundation at the Matilija Dam to get insight into why the dam should be removed and its history. Their video production won first place in the annual ECCOA Award program.</p>
<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/6EtjPA_7YHY" title="YouTube video player" width="560"></iframe>
<p><br /></p><p> </p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-32973976235926117652022-04-06T09:42:00.003-07:002022-05-16T11:59:56.786-07:00Draft Groundwater-Surface Water Model of the Ventura River Watershed<p>Date: April 1, 2022</p><p>To: Kevin DeLano, SWRCB</p><p>From: Paul Jenkin, Surfrider Foundation</p><p>RE: <b>Comments on SWRCB Draft VRW GW-SW Model Report</b></p><p>The State Water Resources Control Board (State Water Board) Division of Water Rights and Los Angeles Regional Water Quality Control Board (collectively, the Water Boards) have published the <b><a href="https://www.waterboards.ca.gov/waterrights/water_issues/programs/instream_flows/cwap_enhancing/ventura_river.html" target="_blank">Draft Groundwater-Surface Water Model of the Ventura River Watershed</a></b> (VRW GW-SW Model) and <b>Draft Model Documentation Report for the Groundwater- Surface Water Model of the Ventura River Watershed</b> (VRW GW-SW Model Documentation Report).</p><p>This modeling effort has been accomplished with the SWRCB team and consultants with the goal of creating a tool that may be used in making water management decisions within the Ventura River watershed. To this end, we have reviewed the document and provide the following comments to help raise important questions and direct further refinement of the model. Quotes from the document are italicized.</p><p>First of all, and most importantly, it is recognized that all models are approximations, and the results of those approximations are heavily dependent on the available data. The report discusses model limitations:</p><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><p><i>All models and model results are subject to uncertainty, <b>including model framework uncertainty due to incomplete scientific understanding of the system and necessary system simplifications, and model input uncertainty due to data measurement errors and data gaps</b> (U.S. EPA, 2009). However, California Department of Water Resources (DWR, 2016b) states:</i></p><p><i>While models are, by definition, a simplification of a more complex reality, they have proven to be useful tools over several decades for addressing a range of groundwater problems and supporting the decision-making process. <b>Models can be useful tools for estimating the potential hydrologic effects of proposed water management activities.</b></i></p></blockquote><p>In order for the model to be a “useful tool”, it must accurately represent the physical reality it is attempting to replicate. In this case the modelers have been transparent in the limitations of the model and their manipulation of certain variables in order to calibrate the model to achieve a reasonable match with the field data. However, in generating output that appears to be more accurate in certain circumstances while not in others, this artificial calibration may give a false sense of the model’s accuracy and hence its usefulness in “estimating the potential hydrologic effects of proposed water management activities.”</p><p>At this point it is clear that the model is still a draft, and additional calibration will be required to more accurately match the physical systems being modeled. This will be important for implementing various management scenarios in the model, otherwise the errors in the model will outweigh any small changes in climate or water management.</p><p>The intent of this review is to provide constructive feedback such that the model may be improved upon to further its usefulness in the watershed. The following observations are based upon review of the report and some limited use of the visualization tool. (The visualization tool does not have full capabilities in older versions of Excel). These comments are focused on the main stem of the Ventura River and headwaters in Matilija Creek.</p><p><b>The Model underestimates the presence of surface flow</b></p><p>A fundamental question in assessing the accuracy of groundwater/surface water interaction is;</p><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><p style="text-align: left;"><b>How well does the GW/SW Model represent rising groundwater, particularly in the “Live Reach” upstream of Foster Park?</b></p></blockquote><p>In this gaining reach, the town of “Casitas Springs” was named for the perennial flows, i.e. “springs” along this reach of the Ventura River. However, the model calibration/validation results predict greater dryness than the field observations for this section of the river.</p><p>Fig 5.26 shows surface flow Wet-Dry Mapping comparing the model predictions with data measured in the field. This figure shows that the model predicts drying in the live reach when it was not observed during WY 2009 and 2010.</p><p><br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnoN9a6PIdF7ODOBS-Rkd0W8HjT_O-IhsJXIg-5unsoHpvFMcqoKJ7lQ1ncZuFt4bs-P5OmAv7v0zL-x7K_W0COJwH8JI94bs3FWyC06i8nh614ZRlUUVCbZFBvgDR-jM6gUuobhaLbOa3QLl9FG2u0Lz6DtBSdsVncIB3r060ixji1Br2Ms9e5yQtKg/s1050/WetDryCalibrationVentura.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1050" data-original-width="904" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnoN9a6PIdF7ODOBS-Rkd0W8HjT_O-IhsJXIg-5unsoHpvFMcqoKJ7lQ1ncZuFt4bs-P5OmAv7v0zL-x7K_W0COJwH8JI94bs3FWyC06i8nh614ZRlUUVCbZFBvgDR-jM6gUuobhaLbOa3QLl9FG2u0Lz6DtBSdsVncIB3r060ixji1Br2Ms9e5yQtKg/w552-h640/WetDryCalibrationVentura.png" width="552" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;">The model also predicts a greater spacial extent of drying, particularly upstream of the San Antonio creek confluence and downstream of the Foster Park gage. It is possible that this is an artifact of the model segments which may not coincide with the actual physical geographic boundaries. However, these boundaries are marked by bedrock outcrops that force groundwater to the surface and are integral to the representation of physical processes.</div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">This anomaly in the model appears to carry into the Unimpaired Flow scenario which predicts drying in the “wet reach” in the absence of any pumping or diversion. This result is unexpected given the geology and historic record of perennial flows in this reach.</div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhw-NFJqwuL-BWKzxA1qY_iNRmW2cybKZ2J1wu0j2v0mldjfJ9SdO2RCtn6LnCsSXI7HN2Y8TlUDQIruqOjRyWj6ongSxGY_b3Dl3NwY5LqSUfJ00xO1_ZhnPujsQuKOdoiUluaVD74uwTGUA2BO2sjcAsxF0YY1QELZMBG6AFSmaHBfUwWR2zMFGGatQ/s1064/WetDryUnimpairedVentura.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1064" data-original-width="902" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhw-NFJqwuL-BWKzxA1qY_iNRmW2cybKZ2J1wu0j2v0mldjfJ9SdO2RCtn6LnCsSXI7HN2Y8TlUDQIruqOjRyWj6ongSxGY_b3Dl3NwY5LqSUfJ00xO1_ZhnPujsQuKOdoiUluaVD74uwTGUA2BO2sjcAsxF0YY1QELZMBG6AFSmaHBfUwWR2zMFGGatQ/w542-h640/WetDryUnimpairedVentura.png" width="542" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;">The sensitivity analysis discusses the response of the model to coefficient changes and reveals the importance of groundwater coefficients especially in areas of rising groundwater. The report states that:</div><div class="separator" style="clear: both;"><br /></div></div></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><i>The modeled wet-dry mapping is primarily a result of the groundwater level calibration coupled with streambed conductivities and widths, that together determine the extent of the gaining and losing reaches through the SFR package. During the calibration process, the wet-dry mapping was assessed and adjustments were made to the streambed conductivities to achieve better match. These adjustments were relatively minor; larger adjustments would feed back into the groundwater and surface water calibrations, requiring additional iterations. (p162)</i></div></div></div></blockquote><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;">This suggests that streambed conductivity was the sole coefficient adjusted to try to achieve a match with the data. Meanwhile, the model results derive from the complex relationship between all the other surface and groundwater inputs from the top of the watershed down, each of which is subject to assumptions and potential error. As suggested, additional iterations will be required to better calibrate the model.</div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;"><b>Hydraulic conductivity</b></div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">The hydraulic conductivity constant, Kx/y, determines the rate of groundwater flow downhill through the basin. As shown in Figure 5.11a, the main stem Ventura River is modeled with a hydraulic conductivity coefficient an order of magnitude above other regions in the watershed (i.e. 1250 ft/day vs 150 ft/day). This assumption was based on a single test done at Foster Park, and applied to the entire Upper Ventura River Groundwater Basin upstream.</div></div></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgy_1POqah9_GE68_eJjj7oKnxieg-KIx3EHs6lNseVe_FUIeqn-y-Ih_8oOsaIRyW3-8FZn39LTENqvxT6E69FAAgUnmP88TNM7Xs9-xBgcEJD87JNjgUOgSAG6i1hfos_ct_MxDRSCdHsnDqY5oDUpogD0idLmIbGhx14u2HHUbQVoZtI2TkLxp3AQw/s1650/HydraulicConductivityLayer1.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1650" data-original-width="1250" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgy_1POqah9_GE68_eJjj7oKnxieg-KIx3EHs6lNseVe_FUIeqn-y-Ih_8oOsaIRyW3-8FZn39LTENqvxT6E69FAAgUnmP88TNM7Xs9-xBgcEJD87JNjgUOgSAG6i1hfos_ct_MxDRSCdHsnDqY5oDUpogD0idLmIbGhx14u2HHUbQVoZtI2TkLxp3AQw/w485-h640/HydraulicConductivityLayer1.png" width="485" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;">Given a similar geology, why is the Upper Ventura River Groundwater basin conductivity an order of magnitude great than the Ojai basin?</div><div class="separator" style="clear: both;"><br /></div></div></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><i>When estimates of hydraulic parameters are available for the regions of the modeled physical hydrogeologic system, the corresponding values of those parameters in the model should be similar, but do not have to be identical. There are two reasons for this. First, the estimates themselves have associated errors, often of an order of magnitude. Second, when these estimates are based on hydraulic tests, the volume of soil or rock stressed by the test is often smaller than the volume in the model for which the parameter applies. In that case, the input hydraulic conductivity or transmissivityrequired to calibrate the model is often larger than the measured value due to the scale effect. (p209)</i></div></div></div></blockquote><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">Hydraulic conductivity can be hard to estimate but has a significant influence on the groundwater model. The assumption of homogeneous high conductivity throughout the groundwater basin underlying the main stem Ventura River results in the model exhibiting rapid underflow through this basin which in turn has a significant effect on predicted groundwater levels. Additional monitoring wells and hydrogeologic testing are needed to improve understanding of the transmissivity of this basin.</div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><b>Calibrating to Flow Gage Data:</b></div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">A major concern is that;</div><div class="separator" style="clear: both;"><br /></div></div></div></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><div class="separator" style="clear: both; text-align: left;"><i><b>Uncertainty from PRMS-portion of the simulation will propagate and influence groundwater recharge estimates.</b></i></div></div></div></div></blockquote><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">Flow gage data is perhaps the most important parameter used in calibration of the groundwater- surface water model. As acknowledged in the report, the accuracy of flow data decreases at lower flows. One reason for this is that the majority of the stream gages were installed and maintained by the Ventura County Flood Control District as part of their ALERT flood warning system. These gages were neither intended nor maintained to provide low flow data, as their purpose was for flood control. The two possible exceptions are the USGS gages at Foster Park (608) and Matilija Creek (602) which have historically received more regular re-staging during the dry months, but even at Gage 608 measurements during the low flow periods (i.e., summers) are of Poor quality with errors anticipated to be greater than 8% (p158)</div><div class="separator" style="clear: both;">Although the USGS gages provide the most accurate flow data, the model calibration relied heavily on the County flow gages. The resulting modeling error statistics show that the greatest errors occur at the USGS gages, Matilija Creek (602) and Foster Park (608).</div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">The report discussion of calibration and error analyses reveal the difficulty in achieving good correlation for all sites over the full range of water year types.</div><div class="separator" style="clear: both;"><br /></div></div></div></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><div class="separator" style="clear: both; text-align: left;"><i>Agreement of the model results during low-flow periods (i.e., summer and fall) is generally good, with monthly average flows being well predicted down to approximately 1 cfs at most locations. Exceptions are noted in years with higher summer flows (e.g., 1995, 1998, 2005, and 2006) where the model underpredicts the summer flows. Adjusting calibration parameters to correct these years resulted in poorer prediction of the summer flows in the more typical and lower flow years. <b>Since the lower flows are more critical for many drivers in the watershed (e.g., fish passage), model calibration was focused on obtaining better predictions in the lower flow years.</b> The effect of this on the summer volume errors is discussed in more detail in Section 5.4.1.2. (p184)</i></div></div></div></div></blockquote><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div><br /></div></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguTea7hP6tWfyTFB8iFCt1CGSKfUzWns6oq4jAUpXTnKEJnLWmgfkGCQ22QJnrJTQVVByYFXAaaGXWKsa0VruNnno-NIXAd5bxeWOgx-4Hg1_WQ0mDoFUQXM5fQo8W96YYRyxiB0_VtFFL24e5XMbhDhUHLXJMJb0sCN1aPgWj_Hn3JB3FKiHpt_B7Cg/s1964/StreamflowError.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1310" data-original-width="1964" height="426" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguTea7hP6tWfyTFB8iFCt1CGSKfUzWns6oq4jAUpXTnKEJnLWmgfkGCQ22QJnrJTQVVByYFXAaaGXWKsa0VruNnno-NIXAd5bxeWOgx-4Hg1_WQ0mDoFUQXM5fQo8W96YYRyxiB0_VtFFL24e5XMbhDhUHLXJMJb0sCN1aPgWj_Hn3JB3FKiHpt_B7Cg/w640-h426/StreamflowError.png" width="640" /></a></div><br /></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><i>The mean errors in Table 5.6 are negative at all gage locations, indicating <b>a general bias in the model (i.e., a consistent underestimation of flows at all locations)</b>. Additional evaluation of the mean and RMS errors indicates that the largest summer streamflow errors are during the wet years with higher stream flows. <b>This is a result of prioritizing the accuracy of years with lower flows during the calibration process</b>, since the lower flow years are critical with respect to many of the project goals (e.g., evaluation of fish passage). (p198)</i> </div></div></div></blockquote><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><p style="text-align: left;"> <i><b>Relative summer volume errors</b> (as percentages) are misleadingly high due to low measured flow rates and are poor metrics for assessing calibration performance for ephemeral systems that can result in a zero in the denominator. Absolute errors (i.e., in cfs) are more appropriate. For example, at Foster Park (Gage 608) a relative error of - 47.1% corresponds to mean and root-mean-square (RMS) errors of only -3.5 cfs and 5.9 cfs, respectively. Additionally, these flow rate errors are dominated by high runoff years. Excluding the six years with >50,000 AF of run-off at Foster Park results in the <b>mean and RMS errors decreasing to -1.4 cfs and 2.6 cfs</b>, respectively. Furthermore, in the Very Dry and Dry years the mean and RMS errors decrease to -0.3 cfs and 1.3 cfs, respectively. (p200)</i></p></blockquote><br /><p>Note that although errors of 1-3 cfs sound minimal, this is actually very significant in a system that is now often running dry.</p><p>Because of difficulties modeling varied flow regimes, the model was calibrated to low flow gage data. However, because gage accuracy decreases at lower flows, this strategy may introduce a significant error. It may be prudent to first calibrate the model to the more accurate gage data at Matilija Creek (602) and Foster Park (608) for moderate flow years. In theory the modeling coefficients should not vary significantly under different flow regimes. Developing a model that behaves well in “normal” conditions and then “stress testing” and fine tuning the model so that it also performs well in dry conditions would result in a more robust representation of the physical system. <b>Calibration to dry year flow data results in the dry bias seen in the Wet-Dry mapping discussed above.</b></p><p>The <b>Matilija Creek at Matilija Hot Springs (602)</b> USGS gage is perhaps the most accurate stream flow gage in the watershed as it is controlled with a concrete weir and regularly staged. This gage may be more appropriate for model sensitivity and calibration than the North Fork Matilija gage.</p><p>The <b>model underestimates summer flow volumes (June-Sept) at Gage 602 by 42%</b>. Any error in this reach, which is the primary inflow to the mainstem Ventura River during the hot summer months, will be amplified in the downstream groundwater/surface water model.</p><p><br /></p><p><b>Are diversions in Matilija Creek adequately accounted for?</b></p><p>The Visualization Tool for <b>Gage 603A/Upper Matilija Creek</b> reveals that the model Base Case tracks closely with Unimpaired flow for the dry months, while the gage often reads lower. <b>The model overpredicts flows at Gage 603</b>. There are irrigated lands and residential parcels in the canyon all of which draw from the creek or shallow wells. Most of these appear to be included in the model. Have the groundwater and surface water diversions in Matilija Canyon been adequately estimated in the model?</p><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhP09yuca3gKPdYmKKCCt3rtaqQZa_Lqefk4Iha4u9KHNVHFX88t1qw5BWEMGXgCQzu2HAu-t24B8MveiRfdxMWg5NWfGWSla9vl8zkYMGdtZuIygDY85sxwtiM1NA1LSIEAQOGmLTjInCp0LR1hmkM0fjnFdJoPkD_puDUxS-30dMgITJCcSh2Q4eU3A/s736/Gage603A.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="736" data-original-width="696" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhP09yuca3gKPdYmKKCCt3rtaqQZa_Lqefk4Iha4u9KHNVHFX88t1qw5BWEMGXgCQzu2HAu-t24B8MveiRfdxMWg5NWfGWSla9vl8zkYMGdtZuIygDY85sxwtiM1NA1LSIEAQOGmLTjInCp0LR1hmkM0fjnFdJoPkD_puDUxS-30dMgITJCcSh2Q4eU3A/w303-h320/Gage603A.png" width="303" /></a></div><br /><p><b><br /></b></p><p><b>Are diversions in the Kennedy Reach adequately accounted for?</b></p><p>This reach has a number of wells and at least two surface diversions that collectively have the capacity to pump at a rate greater than average streamflow input to shallow alluvium in this reach during the summer months. However, the model predicts very little effect (0.2-0.7 cfs) on surface flows from eliminating pumping and diversion in the Unimpaired Flow condition.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMFz3Xp40iCHdAnWMn8wwBQxuquU4SLCYtiR-81xfy_pxXpeQj-5FxsFIowDX8K3csGrs-M0PHsU891lVOn5bWRemz_4rV6k8VKfmqcqukaYvunpM-wvfhG0WaZnlSe4TsjAcIhdLSENlU8gJ4oDdP-vJnG-7nMzjdadP5bOw-yH90a2T1HrgWIz-TkQ/s724/Gage607.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="724" data-original-width="692" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMFz3Xp40iCHdAnWMn8wwBQxuquU4SLCYtiR-81xfy_pxXpeQj-5FxsFIowDX8K3csGrs-M0PHsU891lVOn5bWRemz_4rV6k8VKfmqcqukaYvunpM-wvfhG0WaZnlSe4TsjAcIhdLSENlU8gJ4oDdP-vJnG-7nMzjdadP5bOw-yH90a2T1HrgWIz-TkQ/w306-h320/Gage607.png" width="306" /></a></div><div><br /></div><div><br /></div><div><br /></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div><div style="text-align: left;"><i>At Gage 607 (Figure 5.16), <b>the measurement indicates flows decrease to zero in most years; whereas, the model typically decreases to approximately 1 cfs in most years. </b>The discrepancy is likely due to not including details of the hydraulic structure related to the Robles diversion (i.e., the embankment and gate structure that blocks the Ventura River) in the VRW GSFLOW Model. This structure would result in pooling of water and additional streamflow losses (through infiltration) upstream of the diversion structure. While these local details are not fully captured in the VRW GSFLOW Model, the additional water passing the diversion location during low flows infiltrates and is lost from the stream shortly downstream.</i></div></div></blockquote><div><div><br /></div><div>Comparing the Visualization Tool Base Case with Gage 607 data shows no clear trend in the errors, but as noted the river often goes dry upstream of Robles Diversion. A dry river within the shallow alluvium of the Kennedy Reach while the model predicts 1cfs or greater indicates that closer attention to pumping and diversion in this reach may be helpful.</div><div><br /></div><div>It is important to be able to accurately model the flows entering the Ventura River from the upper watershed, especially during summer months, as this affects the water balance in the groundwater basin downstream during times of high irrigation demand. However, the surface flow modeling is not consistent with the gage data. The model generally overpredicts flows at Gage 603, underpredicts flows downstream at Gage 602, and underpredicts drying at Gage 607. These observations describe inconsistencies in modeled stream flows that should be resolved in order to provide a more accurate assessment of inflows into the groundwater basin.</div><div><br /></div><div><b><br /></b></div><div><b>Assumptions for Arundo donax:</b></div><div><br /></div></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div><div style="text-align: left;"><i>The model assumes that the extent of riparian vegetation is fixed in time. This neglects the effects of Arundo eradication efforts, reduction in vegetation following storm events in wet years, and potentially increased ET following wet years as vegetation reestablishes. This limitation would primarily affect dry season low-flow periods.</i></div></div></blockquote><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRypj14A7V9a9qYq9VQlvLsEUt78w5gUbLyt5tRnlahRVJ06f9HYkZ8xEVBXS23Gwca0UNSlMRe-YpPy1DPpYn9QMTNNg9p4Hb50lcdtWFNBrqCdplzeSEWLg9avwecOePy6CnXZ6BAOrYt7GcUYAUupmcbuE9izFBghO7dKr23sbNm3a95FdeqjMDPQ/s1718/ArundoExtent.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1718" data-original-width="1276" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRypj14A7V9a9qYq9VQlvLsEUt78w5gUbLyt5tRnlahRVJ06f9HYkZ8xEVBXS23Gwca0UNSlMRe-YpPy1DPpYn9QMTNNg9p4Hb50lcdtWFNBrqCdplzeSEWLg9avwecOePy6CnXZ6BAOrYt7GcUYAUupmcbuE9izFBghO7dKr23sbNm3a95FdeqjMDPQ/w477-h640/ArundoExtent.png" width="477" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;">According to the County of Ventura, over 270 acres of Arundo donax have been removed from an area encompassing 1,200 acres of the watershed encompassing Matilija Canyon and the Upper Ventura River during the period 2006 to the present. Most of this was in Matilija Canyon as shown in red in Figure 4.10.</div><div class="separator" style="clear: both;">Discussion during the workshop indicated that the model applies ET rate of 24 ft/yr for Arundo, with reference to CalIPC 2011. (For comparison, turf grass exhibits ET of 3-4 AF per acre.). Using a conservative estimate for Arundo ET of 20AF /acre, this would theoretically yield 270acres X 20AFY = 5400 AFY. This translates into 5400AFY/365days = 7 cfs. (An equivalent removal of turf grass would yield around 1 cfs)</div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">It is important to note that 7 cfs is a significant flow augmentation in a system that often experiences flows of 2-3 cfs or less, yet stream gage observations do not reflect any substantial change in flow in the years following arundo removal.</div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;">This suggests that the model overestimates ET losses from the upper watershed, which would reduce predicted instream flows. <b>This may be a source of error in the predicted flows at Matilija Creek at Matilija Hot Springs (602).</b></div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;"><b><br /></b></div><div class="separator" style="clear: both;"><b>Matilija Dam:</b></div><div class="separator" style="clear: both;"><br /></div></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><i>additional errors in the model results may result from uncertainties in estimating release volumes from Matilija Reservoir (Section 3.5.1).</i></div></div></blockquote><p> If the SWRCB proposes to run a scenario for dam removal, this aspect of the model will need close attention. It is important to note that Matilija Dam spillway elevation has been set at 1095 and operated as run of the river except in cases of releases for diversion at Robles. The model documentation and discussions are unclear as to the assumptions made on the operation of Matilija Dam. A modeling scenario for dam removal will primarily depend on predicted changes in ET for the reservoir reach upstream. Dam removal will convert a large area of riparian and lacustrine habitat to upland habitat, with an associated decrease in ET. Additional changes will occur in the main stem Ventura River from renewed sand, gravel, and cobble supply which will alter the characteristics of the stream bed and alluvium. (This also applies to a post-Thomas Fire scenario.)</p><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><i>When constructed in 1947, Matilija Reservoir originally had an active storage volume of 7,000 AF. However, due to sedimentation and lowering (or ‘notching’) of the dam, the active volume has decreased substantially as indicated Table 3.1. Over the modeling period, the active storage volume at full pool decreased from 930 AF to 270 AF. This changing storage capacity during the modeling period is not implemented into the model. In the model the elevations of the lake cells were lowered to create a volume of 1,503 AF with a spillway elevation of 1,095 ft based on information on Ventura County Public Works Agency website. Although this is not consistent with information in Table 3.1 the effect in the model is primarily to increase dead storage with anticipated negligible effects on streamflow.</i></div></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><i><br /></i></div></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><i>Outflows from Matilija Reservoir were modeled as a combination of overflows over the dam crest and specified releases (Section 3.5.1), each into a downstream stream segment representing the dam spillway. (p80)</i></div></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><i><br /></i></div></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><i>Historically, the CMWD would release water from Matilija Reservoir to enable additional diversions downstream through the Robles Canal to Lake Casitas. Information on these releases is limited and had to be estimated for the modeling period.</i></div></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><i>Reservoir elevation data were available from July 2003 onwards and these were used with the stage-storage information from 2002 (Table 3.1) to estimate daily releasevolumes. Prior to July 2003 the releases were estimated by correlating streamflow data from Gage 602B (downstream of Matilija Reservoir) and Gage 604 (North Fork Matilija Creek, and not subject to releases) to identify periods of releases and estimate release rates. These estimates were capped at 150 cubic feet per second (cfs), based on outlet capacity. The resulting releases implemented into the model are plotted in Figure 3.7. (p84)</i></div></div></blockquote><p> </p><b>Other Comments:</b><br /><br /><div><b>Gage 604, No Frk Matilija Creek at Matilija Hot Springs</b></div><div><br />Matilija Hot Springs is located on Matilija Creek below the dam. This gage is actually located less than a mile upstream of the Matilija Creek/NF Matilija Creek confluence under a bridge over Hwy 33. The correct stream gage nomenclature per VCWPD is:</div><div><br /></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><div><b>Matilija Creek at Matilija Hot Springs (602) </b></div></blockquote><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><div><b>North Fork Matilija Creek (604)</b></div></blockquote></blockquote><div><br /></div><div><br /></div><div><b><br /></b></div><div><b>Conclusions and Recommendations:</b><br /><br /></div><div>The Draft Groundwater-Surface Water Model of the Ventura River Watershed is a good first draft representation of a complex and dynamic physical system. The disclosure of uncertainties in the modeling process and the errors matching stream flow data suggest that further work is required to create a model that is useful for assessing the various scenarios that have been proposed.</div><div><br />The model must first be able to accurately represent changes in the watershed resulting from the highly variable precipitation during the study period. Robust model performance over a wide range of rainfall and flows is required before an assessment of any future changes can be evaluated.</div><div><br />Because of the inherent error in low flow stream gage data, it is suggested to first calibrate the model to the best available stream flow data for the moderate years and then work to match the high and low flow years. In this manner the physical coefficients may be established to ensure confidence that simulated model scenarios produce useful results.</div><div><br />For example, a climate change scenario would include incremental variations in precipitation and ambient temperature. It is essential that the model can accurately predict the extremes of the recent past before it can project into the future. The current assumptions regarding Arundo donax should be closely examined for ET in Matilija Canyon and effect on streamflow. If the Matilija Dam removal scenario is pursued, close coordination with the Matilija Dam Ecosystem Restoration Project (MDERP) technical team is recommended. The current assumptions for pumping and diversion should be closely examined so that any future water management scenarios may be adequately assessed.</div><div><br /><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;">Future development of the model should also include a robust monitoring network including additional stream gages and dedicated monitoring wells to better understand the nature of surface and subsurface flows and provide data to feed back into the model.</div></div><br /><p><br /></p><p>References:</p><p><a href="https://www.waterboards.ca.gov/waterrights/water_issues/programs/instream_flows/cwap_enhancing/ventura_river.html" target="_blank">State Water Board Instream Flows - Ventura River</a></p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p><br /></p></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-16183847680346494532022-03-18T15:45:00.002-07:002022-03-18T15:45:34.354-07:00Dams Out 2022<p> <table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiSfw8YJT2nPRDYg70JK3It0jQVpzpHN4yJPHifbpFXfEhpV-rDugFN3UOBpvDK3FPvOOCtmMHi0OftYgecc96qZRgFMX74bW6x3oR8TV2olZUVEp5Cp1QaYR5Ev59Fnvzh8_yWooSwu72-wFaQXo6-Ep9fKs-TlTzgrxSrWRRP8zMWjp-omdBvSeXL2w=s3866" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="2084" data-original-width="3866" height="344" src="https://blogger.googleusercontent.com/img/a/AVvXsEiSfw8YJT2nPRDYg70JK3It0jQVpzpHN4yJPHifbpFXfEhpV-rDugFN3UOBpvDK3FPvOOCtmMHi0OftYgecc96qZRgFMX74bW6x3oR8TV2olZUVEp5Cp1QaYR5Ev59Fnvzh8_yWooSwu72-wFaQXo6-Ep9fKs-TlTzgrxSrWRRP8zMWjp-omdBvSeXL2w=w640-h344" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"><a href="https://caltrout.org/campaigns/matilija-dam">https://caltrout.org/campaigns/matilija-dam</a></td></tr></tbody></table><br /></p><p>Our friends at CalTrout have released a campaign to highlight the Top 5 California Dams to be taken out, including Matilija Dam <i>"Infamous for the scissors painted on the dam by graffiti artists in 2011 that have become an iconic symbol for dam removal"</i></p><p><i>"In the 2022 Top 5 Dams Out report, CalTrout has identified 5 dams that are ripe for removal. The selection of these dams was informed by the review of past scientific studies, understanding of their impact on salmon and steelhead, awareness of their regulatory context, and sustained engagement with the communities in which of the dams are located. By strategically pursuing opportunities for dam removal where economic, social, and environmental interests strongly align, CalTrout offers a model for restoring the health of the state’s rivers for the benefit of fish and people."</i></p><p>Visit the<i> </i><a href="https://storymaps.arcgis.com/stories/74521a2b427b4578909956a7b14d82cb" rel="noopener" style="border: 0px; box-sizing: border-box; color: #4195d3; font-family: "Open Sans", Arial, Tahoma, sans-serif; font-size: 16px; font-stretch: inherit; line-height: inherit; margin: 0px; outline: 0px; padding: 0px; text-decoration: none; transition: all 0.5s ease; vertical-align: baseline;" target="_blank">Dams Out StoryMap</a> for more information. </p><p><br /></p><p>American Rivers is also rooting for dam removal nationwide, and includes Matilija Dam in their list of <a href="https://www.americanrivers.org/2022/02/25-dams-to-watch-in-2022/" target="_blank">25 Dams to Watch in 2022</a>:</p><p><br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjWHWAG2LnPtDH9N4utWuJzuZ5Ivp5d-T8kMMhsDVFiIom9Efpsy603Gj1c4MPCddA1N57QayyLKEhWW4sjcHyixGeYWC-hwdJ5ZRe4-bITR8S_JOrtQwELhkxgMp2455iI82uwFWcYYvrAhNucrSNla9N7fOE3b7EXOj3UwhBc-iNejIDSMmol0D_JbA=s2054" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1514" data-original-width="2054" height="472" src="https://blogger.googleusercontent.com/img/a/AVvXsEjWHWAG2LnPtDH9N4utWuJzuZ5Ivp5d-T8kMMhsDVFiIom9Efpsy603Gj1c4MPCddA1N57QayyLKEhWW4sjcHyixGeYWC-hwdJ5ZRe4-bITR8S_JOrtQwELhkxgMp2455iI82uwFWcYYvrAhNucrSNla9N7fOE3b7EXOj3UwhBc-iNejIDSMmol0D_JbA=w640-h472" width="640" /></a></div><br /><p>Both of these organizations are partners in the <a href="http://www.matilija-coalition.org" target="_blank">Matilija Coalition</a>, <i>an alliance of community groups, businesses, and individuals committed to the environmental restoration of the Ventura River watershed. Starting with the removal of Matilija Dam, we are working for the recovery of the bioregion to benefit the recovery of the Southern Steelhead trout and to restore the natural sediment supply to the beaches of Ventura.</i></p><p><br /></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-44892517576383698932022-03-18T12:33:00.005-07:002022-03-25T11:28:50.999-07:00Surfers' Point Phase II Update<p>The Surfer’s Point Working Group met on January 6, 2022 to discuss the final plans for Phase II of the Managed Retreat project. The Final Design is expected to be completed in March of 2022. </p><p>At their April, 2021 meeting, the California Coastal Commission approved (with conditions) modifications to the Surfers Point Managed Shoreline Retreat project in Ventura, CA. Phase 2 will relocate the damaged oceanfront bike path and remaining parking lot back to Shoreline Drive and reconfigure day use parking to maintain beach access at the popular Surfers' Point in Ventura. As part of the permitting conditions for the project, the California Coastal Commission added a requirement for EV charging stations to be installed, as well as a water quality monitoring plan to be developed prior to issuance of a construction permit. Additional permit applications are pending with the USACE (Corps of Engineers) and RWQCB (Regional Water Quality Control Board)</p><p>On January 25th, 2022, the Ventura County Fairgrounds voted unanimously in support of the project after receiving a presentation from the City and its consultants. Meeting minutes <a href="https://www.venturacountyfair.org/wp-content/uploads/2022/02/Board-Min.-1-25-22.pdf" target="_blank">here</a>.</p><p>The City currently anticipates a budget of $12,475,000 and is seeking grant funding to complete construction for Surfer’s Point Phase II. City staff are planning to hire a consulting team to pursue these grants and help identify additional opportunities for funding. The <a href="https://scc.ca.gov/grants/" target="_blank">California Coastal Conservancy</a> is expected to open their Grant Application Period in summer of 2022 with $500 million for coastal resilience to be appropriated statewide.</p><p>The image below gives an overview of what to expect with the new parking arrangement:</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEj3T1buPAERIHiFD0dJmpre3uSDLAlnBTFRK-y153aAXrxzqfhmfytG2Sdgg3-luYHQE4MzBL6_kHkwupr8umtWBUll_hzfDy__mBwZaF_4lODv_vplEGAzFGUE1ieIctC3AVG8Fdx5qDGKdRYNtGHgyhlnL7aYPdOh7C58UNN5klht3WB1pPCr9eur0Q=s3342" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2516" data-original-width="3342" height="482" src="https://blogger.googleusercontent.com/img/a/AVvXsEj3T1buPAERIHiFD0dJmpre3uSDLAlnBTFRK-y153aAXrxzqfhmfytG2Sdgg3-luYHQE4MzBL6_kHkwupr8umtWBUll_hzfDy__mBwZaF_4lODv_vplEGAzFGUE1ieIctC3AVG8Fdx5qDGKdRYNtGHgyhlnL7aYPdOh7C58UNN5klht3WB1pPCr9eur0Q=w640-h482" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">Just as with Phase I, coastal restoration will include importing cobble and sand to construct dunes over a buried cobble berm as shown below. This will restore a more natural beach and provide coastal protection for the new infrastructure. </div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjs73iCpR89X2I8IrSQszifaCPagNVe7jdEVmXx9Pa2_v13_i-E2wVIPy8XSFby7MnNLrsVDTTXl3B-XQbxJDox83DNpAx7-fzOJgK_MmK4HUtz0OHyrlKmtnlAFt8Q13-G-bZXVODvRtz29hzaJcpdh5IKdSAC2KnZ7i9yxT3XbkGXFSmNt_PbgmkrdA=s3344" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2500" data-original-width="3344" height="478" src="https://blogger.googleusercontent.com/img/a/AVvXsEjs73iCpR89X2I8IrSQszifaCPagNVe7jdEVmXx9Pa2_v13_i-E2wVIPy8XSFby7MnNLrsVDTTXl3B-XQbxJDox83DNpAx7-fzOJgK_MmK4HUtz0OHyrlKmtnlAFt8Q13-G-bZXVODvRtz29hzaJcpdh5IKdSAC2KnZ7i9yxT3XbkGXFSmNt_PbgmkrdA=w640-h478" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEhp9SIfFoDI1ZXdX443gKsiLP0bT8ig2oj_K0_na7vJ7FeQ1ixGHM0AAHNL6EQDs3YnwqylPo1L4-rbFswvUkKLdKe1aBN1bFSJgjaGkxUD3oDZtc4YGIgV4MR4essFSI0ytI6pwwiyVrkeHxzMTPdusvoLiaupS_exnpQAy3PVucHvUEqccbnrPdPCxw=s3348" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2510" data-original-width="3348" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEhp9SIfFoDI1ZXdX443gKsiLP0bT8ig2oj_K0_na7vJ7FeQ1ixGHM0AAHNL6EQDs3YnwqylPo1L4-rbFswvUkKLdKe1aBN1bFSJgjaGkxUD3oDZtc4YGIgV4MR4essFSI0ytI6pwwiyVrkeHxzMTPdusvoLiaupS_exnpQAy3PVucHvUEqccbnrPdPCxw=w640-h480" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div><br /><p><br /></p><div><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-40939548761064777342021-12-13T14:14:00.003-08:002021-12-14T13:05:05.935-08:00Surfers' Point Update 2021<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjkhjFij2ofAUPTvy9Sr_ikLIxqbGmr4tbZCfvIX-apgZiXpCjSMQyhsc93iBJuxujNE6jCWt2ufparPn_ZnQjAYeDN77pFVmDuC45sqDzX9LXP80azHB21mR98mXKYdDV2-cEuQbPlpjot3E0jXnQljfM8PZCQTylepeTNf61euao_RryH5o1FX5Pslg=s4032" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="3024" data-original-width="4032" height="480" src="https://blogger.googleusercontent.com/img/a/AVvXsEjkhjFij2ofAUPTvy9Sr_ikLIxqbGmr4tbZCfvIX-apgZiXpCjSMQyhsc93iBJuxujNE6jCWt2ufparPn_ZnQjAYeDN77pFVmDuC45sqDzX9LXP80azHB21mR98mXKYdDV2-cEuQbPlpjot3E0jXnQljfM8PZCQTylepeTNf61euao_RryH5o1FX5Pslg=w640-h480" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">Collapsed curbs along Surfers' Point, Nov 4, 2021</td></tr></tbody></table><p>Although communication has been difficult during the Covid-19 pandemic, progress has been made on the Surfers' Point Managed Shoreline Retreat Project. The Surfers' Point Working Group has not met since the 2019 lockdown, but a meeting has been scheduled in early January to update the stakeholders. </p><p>Under a Prop 68 grant from the California Ocean Protection Council and sponsored by BEACON, the City of Ventura has been completing the Final Design for the second phase of the project. At their April, 2021 meeting, <a href="https://www.venturariver.org/search/label/Surfers%20Point" target="_blank">the California Coastal Commission approved (with conditions) modifications</a> to the Surfers Point Managed Shoreline Retreat project in Ventura, CA. Phase 2 will relocate the damaged oceanfront bike path and remaining parking lot back to Shoreline Drive and reconfigure day use parking to maintain beach access at the popular Surfers' Point in Ventura.</p><p>In 2011, the California Coastal Conservancy funded $1.5M of the $3M "Phase 1" project, with cost matching through Federal TEA transportation funding. Looking to the future, the prospect for securing grant funding for the construction of Phase 2 seems promising. According to the <a href="https://scc.ca.gov/grants/" target="_blank">Coastal Conservancy's website</a>;</p><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px; text-align: left;"><p><i>On September 23, 2021, Governor Newsom signed a budget bill that includes a total of <b>$500 million for coastal resilience</b> to be appropriated to the State Coastal Conservancy in Fiscal Years 2022-23 and 2023-24. This coastal resilience funding is part of the larger climate resilience budget package that demonstrates the State of California’s commitment to preparing for climate change impacts, including wildfire, extreme heat, drought, and sea level rise.</i></p><p><i>This funding provides an unprecedented opportunity to move the needle on coastal resilience. The State Coastal Conservancy recognizes the urgency and importance of preparing the coast, and the people and wildlife that depend on the coast, for sea level rise and other climate change impacts. We look forward to working with many partner organizations to make a difference for the health of the coast. </i></p></blockquote><p>And although it is not yet clear how it will be allocated, the new Federal infrastructure package allocates billions of dollars for projects to strengthen the country's resilience to climate change. As with Phase 1 construction, this may be a potential source of matching funds for Surfers' Point.</p><p>The <a href="https://www.opc.ca.gov" target="_blank">California Ocean Protection Council </a>created a series of videos featuring the projects they sponsored throughout the state. Surfers' Point is featured in the video below:</p>
<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen="" frameborder="0" height="315" src="https://www.youtube.com/embed/qGeHvXeXJM0" title="YouTube video player" width="560"></iframe>
<div><br /></div><div><br /></div><div>More on this blog: <a href="https://www.venturariver.org/search/label/Surfers%20Point" target="_blank">Surfers Point</a></div><div><br /></div><div>Other links:</div><div><br /></div><div><a href="https://www.opc.ca.gov" target="_blank">California Ocean Protection Council</a></div><div><br /></div><div><a href="https://scc.ca.gov/grants/" target="_blank">California Coastal Conservancy</a></div><div><br /></div>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.comtag:blogger.com,1999:blog-6637576529619290615.post-51683967128908121992021-10-20T11:50:00.009-07:002024-03-12T10:09:20.605-07:00Adjudication: the Physical Solution<p></p><div class="separator" style="clear: both; text-align: center;"><div><div style="text-align: left;"><span style="font-family: arial;">A group consisting of some of the larger water users in the Ventura River watershed have proposed a "Physical Solution" to the water rights adjudication lawsuit currently underway. </span></div><div style="text-align: left;"><span style="font-family: arial;"><br /></span></div><div style="text-align: left;"><span style="font-family: arial;"><span>According to California water law, a Physical Solution in theory "</span><i>affords a means to introduce creativity and flexibility to improve basin management while maintaining consistency with water right priorities"<span style="text-indent: -0.5in;">. "</span>Regardless of how a physical solution is pled, the goal and elements of the doctrine remain unchanged: to provide coordinated management of the water supply and thereby maximize the beneficial use of the resource." </i>(</span><span face="Calibri, sans-serif" style="font-family: arial;">McGlothlin, 2016)</span></div><div style="text-align: left;"><span style="font-family: arial;"><br /></span></div><div style="text-align: left;"><br /></div><div style="text-align: left;"><span style="font-family: arial;"><div><b>Summary of Proposed Ventura River Physical Solution</b></div><div><br /></div><div>The following is a summary of the proposal quoted directly from the document (bold type added for emphasis):</div></span></div><div style="text-align: left;"><span style="font-family: arial;"><br /></span></div></div><div><span style="font-family: arial;"><br /></span></div><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; line-height: 18pt; margin: 0in 0in 12pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i>This proposed physical solution and settlement agreement was developed in partnership with: Ventura River Water District, Meiners Oaks Water District, Wood-Claeyssens Foundation (Taylor Ranch), Rancho Matilija Mutual Water Company and other large water users.</i><o:p></o:p></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; line-height: 18pt; margin: 0in 0in 12pt 0.5in; orphans: auto; text-align: start; text-indent: -0.5in; widows: auto;"><span style="font-family: arial; font-size: x-small;"><b><i>This Physical Solution does not determine water rights or directly limit water Production. Instead, it creates a specific plan to manage the Watershed to protect existing reasonable and beneficial uses of the water within the Watershed.</i></b><o:p></o:p></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; line-height: 18pt; margin: 0in 0in 12pt 0.5in; orphans: auto; text-align: start; text-indent: -0.5in; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i> The Physical Solution establishes a long-term Management Plan or Plan that accounts for: the specific needs of the Fishery, variable hydrology of the region, periods of low and very low precipitation, and the condition and quality of the habitat during the lifecycle of the Fishery, including the specific reach habitat requirements pertinent to that lifecycle, and thereby ensures the viability of the Fishery through a series of coordinated management actions under the Plan. Collectively, these management actions undertaken by the Parties will concurrently preserve public trust resources and provide a continued water supply for the thousands of people, farms, and businesses that rely on the Ventura River Watershed for water.</i><o:p></o:p></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><i><span style="font-family: arial; font-size: x-small;">At their discretion, <b>GSAs in the Ventura River Watershed</b> <b>may rely on implementation of the Physical Solution for a finding that no additional implementation measures are required</b> to address potential significant and unreasonable effects of groundwater pumping on the beneficial use of interconnected surface water by the Fishery, in the event that any such potential significant and unreasonable effects of groundwater pumping are identified during initial GSP development or subsequent 5-year GSP updates.</span></i></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><o:p></o:p></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"> </span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><br /></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><span style="font-family: arial; font-size: x-small;"> </span></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><span style="font-family: arial; font-size: x-small;"><i>Management Plan/Mandatory Plan Elements<o:p></o:p></i></span></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i>The core of this Physical Solution is the development, implementation, and adaptive management and updating of a Management Plan (or the “Plan”) that will move the condition of the Southern California Steelhead in the Watershed from Baseline Conditions to Good Condition</i><o:p></o:p></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"> </span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><i><span style="font-family: arial; font-size: x-small;">Actions to protect <u>Historical Flow Conditions, which are largely replicated by existing flow conditions,</u> in combination with habitat enhancement elements identified in the Plan, will be sufficient, barring extraordinary conditions, to move the Fishery from Baseline Conditions to Good Condition.</span></i></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"> </span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><i><span style="font-family: arial; font-size: x-small;">The fish population was higher in the pre-development period as compared with the post-development period, even though flows were the same or lower than post-1958 conditions<o:p></o:p></span></i></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"> </span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i>(Therefore) habitat conditions, rather than flow conditions alone, have affected the Fishery. <o:p></o:p></i></span></p><p class="MsoListParagraph" style="mso-list: l6 level1 lfo1; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span style="mso-ascii-font-family: Calibri; mso-bidi-font-family: Calibri; mso-fareast-font-family: Calibri; mso-hansi-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->Accordingly, improving habitat conditions with non-flow measures and preserving Historical Flow Conditions will improve the Fishery to ultimately achieve Good Condition.<o:p></o:p></i></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"> </span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><b><i>Flow metrics were the same or lower during the pre-development period as compared with the post-development period</i></b><o:p></o:p></span></p><p class="MsoListParagraphCxSpFirst" style="mso-list: l6 level1 lfo1; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span style="mso-ascii-font-family: Calibri; mso-bidi-font-family: Calibri; mso-fareast-font-family: Calibri; mso-hansi-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->rainfall and flow in the Watershed has largely remained consistent over the historical period (generally 1929 through 2019)<o:p></o:p></i></span></p><p class="MsoListParagraphCxSpLast" style="mso-list: l6 level1 lfo1; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span style="mso-ascii-font-family: Calibri; mso-bidi-font-family: Calibri; mso-fareast-font-family: Calibri; mso-hansi-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->Historical flow records are available prior to 1958 (pre-development conditions) and post-1958 in three critical reaches in the Watershed: Ventura River near Foster Park, lower San Antonio Creek, and North Fork Matilija Creek.<o:p></o:p></i></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"><i> </i></span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><span style="font-family: arial; font-size: x-small;"><i>Habitat:<o:p></o:p></i></span></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i>habitat conditions in the Watershed downstream of Matilija Dam have been degraded over the past 150 years through agricultural and urban development, construction of dams, water storage infrastructure, flood control infrastructure, and other factors<o:p></o:p></i></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"><i> </i></span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"><i> </i></span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><span style="font-family: arial; font-size: x-small;"><i>Required Habitat Improvement Elements<o:p></o:p></i></span></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"><i> </i></span></o:p></p><p class="MsoListParagraphCxSpFirst" style="mso-list: l4 level1 lfo2; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->Fish Passage Improvements 1 – Sub-Surface Interceptor Wall and Improvements Around Concrete Pipe at Foster Park<o:p></o:p></i></span></p><p class="MsoListParagraphCxSpMiddle" style="mso-list: l4 level1 lfo2; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->Fish Passage Improvements 2 – Improvement of the Fraser Street Road Crossing<o:p></o:p></i></span></p><p class="MsoListParagraphCxSpLast" style="mso-list: l4 level1 lfo2; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">3.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->Gravel Enhancement in Matilija Creek and North Fork Matilija Creek<o:p></o:p></i></span></p><p style="margin-left: 0.5in; mso-list: l4 level1 lfo2; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-ascii-theme-font: minor-latin; mso-bidi-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="mso-list: Ignore;">4.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">Boulder and Large Woody Material Augmentation in San Antonio Creek </span><span face="Calibri, sans-serif"><o:p></o:p></span></i></span></p><p style="margin-left: 0.5in; mso-list: l4 level1 lfo2; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-ascii-theme-font: minor-latin; mso-bidi-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="mso-list: Ignore;">5.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">Large Woody Material Augmentation in the Mainstem Ventura River near the Confluence with San Antonio Creek </span><span face="Calibri, sans-serif"><o:p></o:p></span></i></span></p><p style="margin-left: 0.5in; mso-list: l4 level1 lfo2; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><i><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-ascii-theme-font: minor-latin; mso-bidi-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="mso-list: Ignore;">6.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">Arundo Removal </span><span face="Calibri, sans-serif"><o:p></o:p></span></i></span></p><ol start="7" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin-bottom: 0in; orphans: auto; text-align: left; widows: auto;" type="1"><li class="MsoNormal" style="margin: 0in 0in 0.0001pt;"><span style="font-family: arial; font-size: x-small;"><i><span>Predator and Non-Native Fish Management </span><span><o:p></o:p></span></i></span></li><li class="MsoNormal" style="margin: 0in 0in 0.0001pt;"><span style="font-family: arial; font-size: x-small;"><i><span>Matilija Dam - </span><span>consideration of the adoption of resolutions of support for Dam removal or submission </span><span>of written letters of support</span><span></span><span><o:p></o:p></span></i></span></li><li class="MsoNormal" style="margin: 0in 0in 0.0001pt;"><span style="font-family: arial; font-size: x-small;"><i><span>Additional Projects for Further Consideration </span><span><o:p></o:p></span></i></span></li><ol start="1" style="margin-bottom: 0in;" type="a"><li class="MsoNormal" style="mso-list: l4 level2 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>Wheeler Gorge Campground passage barrier, <o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l4 level2 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>replacement of the current Grand Avenue fair weather crossing with a free span bridge, <o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l4 level2 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>addressing various pipeline crossings that could present barriers or impediment such as the Casitas pipeline that crosses San Antonio Creek and the Ojai Valley Sanitary District pipeline that crosses San Antonio Creek<o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l4 level2 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i> brownfield remediation projects<o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l4 level2 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>conservation easements or livestock exclusion projects <o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l4 level2 lfo2; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>land protection projects <o:p></o:p></i></span></li></ol></ol><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial; font-size: x-small;"><i> </i></span></o:p></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><i><span style="font-family: arial; font-size: x-small;"><br /></span></i></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><i><span style="font-family: arial; font-size: x-small;"><br /></span></i></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><i><span style="font-family: arial; font-size: x-small;">Required Historical Flow Protection Elements<o:p></o:p></span></i></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><b><i><span style="font-family: arial; font-size: x-small;"><br /></span></i></b></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i>Because the decline in the Fishery is linked most directly to loss of habitat and access thereto, the main actions required by the Plan will focus on improvements to Fishery habitat and Fishery access to habitat. At the same time, however, the Plan must also include specific steps to maintain and, if feasible, enhance Historical Flow Conditions critical to the Fishery.</i></span></p><p class="MsoListParagraphCxSpFirst" style="mso-list: l7 level1 lfo3; text-align: left; text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><br /></span></p></div><blockquote style="border: none; margin: 0px 0px 0px 40px; padding: 0px;"><div class="separator" style="clear: both; text-align: center;"><p class="MsoListParagraphCxSpFirst" style="mso-list: l7 level1 lfo3; text-align: left; text-indent: -0.25in;"><i style="text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;"><span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;">1. </span></span></span><!--[endif]-->Foster Park Flow Protocols</span></i></p></div></blockquote><div class="separator" style="clear: both; text-align: center;"><p class="MsoListParagraphCxSpMiddle" style="margin-left: 1in; mso-add-space: auto; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><span style="font-size: x-small;"><i><span style="font-family: arial;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">a.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><o:p> </o:p></span></i><span style="text-align: center;"><span style="font-family: arial;"><i>The Plan will recognize and include the City’s existing water management protocols at Foster Park that meet or exceed requirements to protect Historical Flow Conditions in this reach. The City’s implementation of these Foster Park Flow Protocols does not determine or limit its water rights in any way, consistent with this Physical Solution.</i></span></span></span></p><p class="MsoListParagraphCxSpMiddle" style="mso-list: l7 level1 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> 2. </span></span></span><!--[endif]-->San Antonio Creek<o:p></o:p></span></i></p><p class="MsoListParagraphCxSpMiddle" style="margin-left: 1in; mso-add-space: auto; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">a.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->identify Historical Flow Conditions <o:p></o:p></span></i></p><p class="MsoListParagraphCxSpMiddle" style="margin-left: 1in; mso-add-space: auto; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">b.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->measures to prevent degradation of flows in San Antonio Creek<o:p></o:p></span></i></p><p class="MsoListParagraphCxSpLast" style="margin-left: 1in; mso-add-space: auto; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">c.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span> </span>implement monitoring measures</span></i></p></div><div class="separator" style="clear: both; text-align: center;"><div style="text-align: left;"><i style="text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><span> 3. North Fork Matilija Creek </span></span></i></div></div><div class="separator" style="clear: both; text-align: center;"><p class="MsoListParagraphCxSpFirst" style="margin-left: 1in; mso-add-space: auto; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">a.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->identify Historical Flow Conditions <o:p></o:p></span></i></p><p class="MsoListParagraphCxSpMiddle" style="margin-left: 1in; mso-add-space: auto; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">b.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]-->measures to prevent degradation of flows in <span>North Fork Matilija Creek </span><o:p></o:p></span></i></p><p class="MsoListParagraphCxSpLast" style="margin-left: 1in; mso-add-space: auto; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">c.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span> </span>implement monitoring measures</span></i></p><div style="text-align: left;"><i style="text-indent: -0.25in;"><span style="font-family: arial; font-size: x-small;"><span>4. Voluntary Water Management Measures </span></span></i></div><ol start="4" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin-bottom: 0in; orphans: auto; text-align: start; widows: auto;" type="1"><ol start="1" style="margin-bottom: 0in;" type="a"><li class="MsoNormal" style="mso-list: l7 level2 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>Production Forbearance Program<o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l7 level2 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><i><span style="font-family: arial; font-size: x-small;"><span>Examples of these efforts include the projects identified as part of the Ventura River Watershed Instream Flow Enhancement and Water Resiliency Framework </span><span><o:p></o:p></span></span></i></li></ol></ol><p style="margin-left: 0.5in; mso-list: l7 level1 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-ascii-theme-font: minor-latin; mso-bidi-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="mso-list: Ignore;">5.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">GSP Processes </span><span face="Calibri, sans-serif"><o:p></o:p></span></span></i></p><p style="margin-left: 1in; mso-list: l7 level2 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-ascii-theme-font: minor-latin; mso-bidi-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="mso-list: Ignore;">a.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">this Physical Solution will help to achieve the Groundwater sustainability goals of SGMA within the Watershed. Specifically, this Physical Solution will improve the Fishery, which may be relevant to the undesirable result of depletions of interconnected surface water<o:p></o:p></span></span></i></p><p style="margin-left: 0.5in; mso-list: l7 level1 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-ascii-theme-font: minor-latin; mso-bidi-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="mso-list: Ignore;">6.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">Monitoring and Reporting </span><span face="Calibri, sans-serif"><o:p></o:p></span></span></i></p><ol start="6" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin-bottom: 0in; orphans: auto; text-align: start; widows: auto;" type="1"><ol start="1" style="margin-bottom: 0in;" type="a"><li class="MsoNormal" style="mso-list: l7 level2 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>hydrology monitoring program<o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l7 level2 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>fish monitoring program<o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l7 level2 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>performance assessment monitoring for restoration/enhancement features<o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l7 level2 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>habitat monitoring program<o:p></o:p></i></span></li><li class="MsoNormal" style="mso-list: l7 level2 lfo3; mso-margin-bottom-alt: auto; mso-margin-top-alt: auto;"><span style="font-family: arial; font-size: x-small;"><i>annual reporting on each monitoring program. <o:p></o:p></i></span></li></ol></ol><p style="margin-left: 0.5in; mso-list: l7 level1 lfo3; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-ascii-theme-font: minor-latin; mso-bidi-theme-font: minor-latin; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="mso-list: Ignore;">7.<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">Plan Evaluation – Adaptive Assessment and Management </span><span face="Calibri, sans-serif"><o:p></o:p></span></span></i></p><p style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin-left: 0in; margin-right: 0in; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i> </i></span></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><i><span style="font-family: arial; font-size: x-small;"><b>Uncontrollable Conditions </b><b><span><o:p></o:p></span></b></span></i></p><p style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin-left: 0in; margin-right: 0in; orphans: auto; text-align: start; widows: auto;"><span style="font-family: arial; font-size: x-small;"><i>the Bound Parties will not be considered to be in violation of this Physical Solution… for any circumstance beyond the Bound Parties’ control, including without limitation, <o:p></o:p></i></span></p><p style="margin-left: 0.5in; mso-list: l3 level1 lfo4; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-fareast-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">any act of God, war, fire, earthquake, flood, windstorm, drought or natural catastrophe, including climate change; <o:p></o:p></span></span></i></p><p style="margin-left: 0.5in; mso-list: l3 level1 lfo4; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-fareast-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">the need to provide an amount of reasonable and beneficial consumptive use of water from the Watershed<o:p></o:p></span></span></i></p><p style="margin-left: 0.5in; mso-list: l3 level1 lfo4; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-fareast-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">criminal acts; civil disturbance, pandemic, vandalism, sabotage, or terrorism; <o:p></o:p></span></span></i></p><p style="margin-left: 0.5in; mso-list: l3 level1 lfo4; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-fareast-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">restraint by court order or public authority or agency<o:p></o:p></span></span></i></p><p style="margin-left: 0.5in; mso-list: l3 level1 lfo4; text-align: left; text-indent: -0.25in;"><i><span style="font-family: arial; font-size: x-small;"><!--[if !supportLists]--><span face=""Calibri",sans-serif" style="mso-fareast-font-family: Calibri;"><span style="mso-list: Ignore;">-<span style="font-stretch: normal; font-style: normal; font-variant-caps: normal; font-weight: normal; font: 7.0pt "Times New Roman"; line-height: normal;"> </span></span></span><!--[endif]--><span face="Calibri, sans-serif">action or non-action by, or inability to obtain the necessary authorizations or approvals from any governmental agency.<o:p></o:p></span></span></i></p><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial;"> </span></o:p></p><div style="text-align: left;"><span style="font-family: arial;"><b>Commentary:</b></span></div><div style="text-align: left;"><span style="font-family: arial;"><br /></span></div><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><o:p><span style="font-family: arial;"></span></o:p></p><div style="text-align: left;"><span style="font-family: arial;">California water law is notoriously confusing, but it appears that the proposed Physical Solution does not provide for "coordinated management of water supply," but rather a suite of other measures that don't involve water. The document makes the case that habitat, rather than flows, are the cause for decline of the endangered steelhead, and that maintaining "historical flows" as determined from 20th century flow gage data is adequate. Although the document relies on the assumption that the watershed was not developed prior to 1958, it is important to note that by 1890 there were over 4,000 acres of irrigated agriculture in the Ojai Valley. </span></div><div style="text-align: left;"><span style="font-family: arial;"><br /></span></div><div style="text-align: left;"><span style="font-family: arial;">Further commentary was published in the local press below.</span></div><div><span style="font-family: arial;"><br /></span></div><p class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Calibri, sans-serif; margin: 0in 0in 0.0001pt; orphans: auto; text-align: start; widows: auto;"><br /></p></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><b><span style="font-family: arial;">In the news:</span></b></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><span style="font-family: arial;"><a href="https://www.vcstar.com/story/opinion/readers/2021/09/20/letter-solve-adjudication/5786149001/" target="_blank">Letter: Solve the adjudication</a>, Bert J. Rapp, Ventura River Water District, </span><span style="font-family: arial;">Ventura County Star</span></div></div><div class="separator" style="clear: both; text-align: left;"><span style="font-family: arial;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><div class="separator" style="clear: both;"><span style="font-family: arial;"><a href="https://vcreporter.com/2021/10/what-to-do-about-water-efforts-continue-to-create-a-sustainable-ventura-river-watershed/" target="_blank">WHAT TO DO ABOUT WATER | EFFORTS CONTINUE TO CREATE A SUSTAINABLE VENTURA RIVER WATERSHED</a>, VC Reporter, Oct 6, 2021 | Cover Story, Feature, Kimberly Rivers</span></div></div><div class="separator" style="clear: both; text-align: left;"><span style="font-family: arial;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><a href="https://vcreporter.com/2021/10/power-to-speak-not-a-solution/" target="_blank"><span style="font-family: arial;">Not a Solution, Power to Speak, VC Reporter Oct 13, 2021</span></a></div><div class="separator" style="clear: both; text-align: left;"><span style="font-family: arial;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="font-family: arial;"><a href="https://ojaivalleynews.com/?view=article&id=20881:opinion-physical-solution-is-not-a-solution-removing-matilija-dam-is&catid=856" target="_blank">Opinion: ‘Physical Solution’ is not a solution: Removing Matilija Dam is</a>, Ojai Valley News, Oct 1, 2021</span></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://lh3.googleusercontent.com/-VNv9-XDq9Xs/YWSZBrWOvnI/AAAAAAAAFLw/q9U3Ra71bisv6Q4NG9nwQqtzIWLVEeN5QCLcBGAsYHQ/OVN-Opinion_Physical_Solution%2B2021-10-01.png" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="1351" data-original-width="2048" height="422" src="https://lh3.googleusercontent.com/-VNv9-XDq9Xs/YWSZBrWOvnI/AAAAAAAAFLw/q9U3Ra71bisv6Q4NG9nwQqtzIWLVEeN5QCLcBGAsYHQ/w640-h422/OVN-Opinion_Physical_Solution%2B2021-10-01.png" width="640" /></a></div><br /> <p></p><p><br /></p><p><b>On this blog:</b></p><h3 class="post-title entry-title" style="caret-color: rgb(51, 51, 51); color: #333333; font-family: Verdana, Arial, sans-serif; font-size: 16.25px; line-height: 1.1em; margin: 0px; padding: 0px;"><a href="https://www.venturariver.org/2020/01/ventura-initiates-adjudication.html" style="color: #333333; text-decoration: none;">Ventura Initiates Adjudication</a></h3><div><h3 class="post-title entry-title" style="caret-color: rgb(51, 51, 51); color: #333333; font-family: Verdana, Arial, sans-serif; font-size: 16.25px; line-height: 1.1em; margin: 0px; padding: 0px;"><a href="https://www.venturariver.org/2020/02/ventura-river-adjudication-remembering.html" style="color: #333333; text-decoration: none;">Ventura River Adjudication – Remembering the Past</a></h3></div><div><br /></div><p><br /></p><div class="separator" style="clear: both; text-align: center;"><div><span face="Calibri, sans-serif"><div style="text-align: left;"><b>REFERENCES:</b></div><div style="text-align: left;"><br /></div><div style="text-align: left;"><span style="font-family: arial;">Russell M. McGlothlin and Jena Shoaf Acos, The Golden Rule* of Water Management, 9 Golden Gate U. Envtl. L.J. 109 (2016). http://digitalcommons.law.ggu.edu/gguelj/vol9/iss1/8</span></div><div style="text-align: left;"><a href="https://www.bhfs.com/Templates/media/files/The%20Golden%20Rule%20of%20Water%20Management.pdf"><span style="font-family: arial;">https://www.bhfs.com/Templates/media/files/The%20Golden%20Rule%20of%20Water%20Management.pdf</span></a></div><div style="text-align: left;"><span style="font-family: arial;"><br /></span></div><div style="text-align: left;"><span style="font-family: arial;">City of Ventura Adjudication: <a href="https://www.venturariverwatershedadjudication.com/">https://www.venturariverwatershedadjudication.com/</a> </span></div><div><span style="font-family: arial;"><br /></span></div></span></div><p style="text-align: left;"><span style="font-family: arial;"><style class="WebKit-mso-list-quirks-style">
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</style></span></p></div><div class="separator" style="clear: both;"><span style="font-family: arial;"><div class="separator" style="clear: both;">Why Support the Physical Solution? By: Ventura River Water District, <a href="https://venturariverwd.com/wp-content/uploads/2021/09/Why-Support-the-Physical-Solution-Article.pdf">https://venturariverwd.com/wp-content/uploads/2021/09/Why-Support-the-Physical-Solution-Article.pdf</a></div><div><br /></div></span></div><p><br /></p><p align="center" class="MsoNormal" style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; caret-color: rgb(0, 0, 0); color: black; font-family: Calibri, sans-serif; font-size: medium; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; line-height: 18pt; margin: 0in 0in 12pt 0.5in; orphans: auto; text-align: center; text-decoration: none; text-indent: -0.5in; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px;"><b style="text-align: left;"> </b></p>paul jenkinhttp://www.blogger.com/profile/13378750920100329693noreply@blogger.com