Study finds up to 30 percent more snowpack on thinned forest plots compared to the areas left unkempt. Scaled up, that would mean an additional 4 million gallons of water per 100 acres of forest. #cawater mavensnotebook.com/2026/03/06/g...

SF Baykeeper has filed a brief with the Court of Appeal seeking to overturn the Sacramento Superior Court’s 2024 ruling on Phase 1 of the State Water Resources Control Board’s update to the Bay-Delta Plan. #cawater mavensnotebook.com/2026/03/06/p...

Friends of the River, American Rivers, Big Sandy Rancheria, and the Southern Sierra Miwuk Nation have formally requested that the State Water Resources Control Board immediately release its long-promised analysis of the 2022 Merced River drying event. #cawater mavensnotebook.com/2026/03/06/p...

A major five-year study on the Central Coast is helping scientists better understand how harmful bacteria can move through the environment. #cawater mavensnotebook.com/2026/03/06/u...

The Lake County Board of Supes is seeking $2M in federal funding to repair and upgrade the southeast wastewater collection system — the system that failed in early January and sent 2.9 million gallons of raw sewage into a Clearlake neighborhood. #cawater www.mendocinobeacon.com/2026/03/04/l...

Almost all of the oil and debris have been removed from Englebright Lake in Yuba County after a major pipe failed back on Feb. 13. #cawater www.cbsnews.com/sacramento/n...

FOX5 has obtained letters sent by negotiators from Nevada, California, Arizona and Colorado to the U.S. Bureau of Reclamation, revealing where each state’s water priorities lie and what is stalling a deal on Colorado River conservation. #cawater #ColoradoRiver www.fox5vegas.com/2026/03/06/c...

California water officials issued a formal warning to the feds Monday, asserting that current draft plans for managing the Colorado River after 2026 lack a sound legal basis and unfairly shift the burden of drought onto Lower Basin states. #cawater www.ivpressonline.com/news/califor...

The San Diego County Water Authority’s board unanimously approved an initial agreement last week to consider selling some of its water to Arizona and Nevada, who are expected to face substantial cuts in water supplies. #cawater www.latimes.com/environment/...

With no progress to speak of in the Colorado River negotiations, some water experts are looking to a conservation program — featuring pools of invisible water and some accounting magic — as a possible path forward. #cawater coloradosun.com/2026/03/04/c...

At a September workshop Deputy Director of DWR Paul Gosselin told attendees the new guidelines would require hard commitments and detailed action plans to stop the rapid sinking that has damaged canals and sunk such large sections of the San Joaquin Valley. #cawater sjvwater.org/as-promised-...

A massive marine heatwave has dominated waters off the West Coast since last summer. This marks only the third time on record that such a large section of the coastal ocean has remained so warm for so long without it being an El Niño. #cawater mavensnotebook.com/2026/03/04/n...

Discussion paper: What is the function, if any, for statewide oversight (in the form of data collection, guidance, frameworks, and standards) of community water systems’ role in fighting wildfires? #cawater innovation.luskin.ucla.edu/publication/...

On Feb 13, 2026, a pipe failure at New Colgate Powerhouse caused a 400-acre-foot flood, damaging the facility and impacting the Yuba River. SYRCL is monitoring water quality and watershed effects. #cawater @yubariverpeople.bsky.social yubariver.org/posts/new-co...

Tuolumne County’s primary source of drinking water could now be restored three days earlier than previously estimated, Pacific Gas and Electric Co. announced Tuesday morning. #cawater www.uniondemocrat.com/news/article...

Warming temperatures mean precipitation falls as rain instead of snow, changing the decisions water managers make about storing runoff from the Sierras, which supplies drinking water to millions in both California and Nevada. #cawater mavensnotebook.com/2026/03/03/s...

State Water Board staff today released a Staff Assessment of the Delta-Mendota Subbasin recommending that the State Board return the subbasin to the Department of Water Resources’ (DWR) oversight under the Sustainable Groundwater Management Act (SGMA) #cawater mavensnotebook.com/2026/03/02/p...

Small farmers pumping less than 20 acre feet per year in the Tule and Tulare Lake subbasins may see some respite from the state’s groundwater reporting sanctions. #cawater sjvwater.org/state-to-con...

Farmers, lawmakers and water officials south of the Delta say they’re underwhelmed by Reclamation’s initial allocation of only 15% of contracted Central Valley Project water for the coming season considering the ample rainfall and full reservoirs. #cawater www.farmprogress.com/farm-policy/...

It’s been 40 years since the United States’ western region has experienced this low of snowpack near winter’s end, setting the stage for what many fear will be an early and extreme peak wildfire season. #cawater wildfiretoday.com/unprecedente...

Work to restore the storm-damaged Pacific Gas and Electric Co. Main Tuolumne Canal’s flumes and ditches — Tuolumne County’s primary source of drinking water — continued in more unseasonably warm weather over the weekend and Monday. #cawater www.uniondemocrat.com/news/article...

U.S. Rep. Mike Thompson (D-4) announced he has helped secure nearly $2.5 million in federal funding for floodplain restoration work along Sonoma Creek. #cawater localnewsmatters.org/2026/03/03/m...

A brief bout of unsettled weather brought showers to the Bay Area on Monday, and it could be the last measurable rain for the foreseeable future, according to the National Weather Service. #cawater www.sfgate.com/weather/arti...

Marin County is updating the way it inspects and permits on-site septic systems. On Thursday, the public is invited to a West Marin community meeting to gather public input on how its Local Area Management Program (LAMP) should be applied and improved. #cawater localnewsmatters.org/2026/03/02/f...

A branch of a state regulator charged with protecting the interests of ratepayers has come down hard on California American Water Co.’s request for rate increases, at one point calling the investor-owned utility’s explanations “gimmickry.” #cawater www.montereyherald.com/2026/03/02/c...

CA officials are calling on the feds to strengthen its legal analysis of proposed operating rules for the Colorado River, warning the draft plan fails to adequately address interstate obligations, infrastructure limitations, and impacts to communities #cawater www.thedesertreview.com/news/state/c...

Governor Gavin Newsom today announced the formal launch of the California Water Plan 2028, marking the start of a multi-year effort to modernize statewide water planning in response to climate-driven extremes and long-term water reliability challenges. #cawater mavensnotebook.com/2026/02/25/p...

While Hoover Dam remains an engineering marvel, the U.S. is seeing a shift—more dams are being removed than built. Aging infrastructure, safety, and ecological restoration are driving this change. Read more: www.asce.org/publications... #cawater

New research highlights how Yolo Bypass flooding boosts the Delta's food web. Restoring floodplain connectivity supports salmon, sturgeon, and the entire ecosystem. #cawater mavensnotebook.com/2026/02/25/d...

A unique group of partners consisting of fishermen, farmers, scientists, and water managers have been putting their heads together to develop an action plan in the attempt to restore salmon. #cawater wonews.com/bridge-group...

Yuba Water Agency made an initial visit to the powerhouse following a large water pipeline rupture at the facility. "There is significant damage, but we had feared worse." #cawater www.sacbee.com/news/politic...

The main canal that provides drinking water to much of Tuolumne County was severely damaged as more than 200 trees fell on top of the canal and multiple parts of its wooden flumes. #cawater www.kcra.com/article/tuol...

Water has been a defining force in SoCal's development. A new article from Jeffrey Kightlinger examines the region's complex water history and its implications for the future. #cawater www.pbssocal.org/water-and-so...

A long-awaited Bay-Delta Plan is on track to be ready for adoption this year, with possible refinements still under review — but with no signs of major changes to the proposal as released in December. #cawater www.sacbee.com/news/califor...

Powerful storms over the past week dumped the most snow on the Sierra Nevada in a few days than any time in more than 40 years. #cawater www.mercurynews.com/2026/02/23/b...

How do SGMA’s “sustainable yield” and the long-established legal concept of “safe yield” align—or differ—in practice? #cawater mavensnotebook.com/2026/02/24/n...

Only about 5% of the Central Valley’s historic wetlands remain, but in the heart of the San Joaquin Valley, a unique wetland persists. How has it survived? @ppicwater.bsky.social #cawater www.ppic.org/blog/a-netwo...

Klamath River sees major decrease in toxic algae, heavy metals & nutrients #cawater www.yuroktribe.org/post/water-q...

Initial tests reveal good news for water quality after a ruptured pipe dumped oil into the Yuba River. #cawater fox40.com/news/local-n...

An advocacy group called the Coalition for Protecting Arizona’s Lifeline has begun rolling out TV ads and online videos defending Arizona’s rights to a Colorado River that is under serious hydrological and political strain. #cawater www.azcentral.com/story/news/l...

A coalition of tribes and environmental advocates are calling on the Delta Stewardship Council to reject the California Department of Water Resources Certification of Consistency for the proposed Delta Conveyance Project. #cawater www.dailyrepublic.com/news/tribes-...

A Pineapple Express type of atmospheric river storm will bring mostly rain to Northern California through Wednesday, potentially triggering flooding in areas that received snow last week. #cawater www.sfchronicle.com/weather-fore...

The Yuba Water Agency faces “months to years” of recovery and millions of dollars in lost revenue after last week’s penstock rupture from a mountainous tunnel connecting New Bullards Bar Dam to New Colgate Powerhouse. #cawater www.sacbee.com/news/local/a...

Antennae were installed at Dos Rios State Park to receive signals from tagged wildlife. A week later a second station was installed north of the Kern River. Together, these stations will expand understanding of migration corridors in two important areas. #cawater riverpartners.org/news/motus-k...

In a first-of-its-kind study, the Migratory Shorebird Project shared trends for 22 Pacific Flyway shorebird species over the past decade. Ten of the 22 species analyzed showed declining populations and two showed positive trends. #cawater www.pointblue.org/science_blog...

Birds are experiencing “dramatic declines” across the Bay Area and California, according to a first-of-its-kind study led by the Petaluma-based wildlife organization Point Blue Conservation Science. #cawater www.sfgate.com/local/articl...

A new study now finds that wastewater treatment plants remove 98% of QACs on average from wastewater. However, the treatment transfers significant portions of the chemicals from water to the solid waste instead of breaking them down. #cawater mavensnotebook.com/2026/02/21/s...

Conservationists and enviro groups on Friday marked the completion of a $20 million restoration project in Mountain View that transformed a 435-acre former salt pond, along with an adjacent closed landfill, into wildlife habitat and public open space. #cawater www.mercurynews.com/2026/02/21/m...

Last year, Paso Robles groundwater managers had to abandon fees after a majority of landowners objected. Now, they’re back with a new fee plan to cover the cost of state-mandated activity — but this time, property owners won’t be able to strike it down. #cawater www.sanluisobispo.com/news/local/e...

California faces a barrage of storms this week with threats ranging from flash flooding to Sierra pass closures and Southern California mountain snow. #cawater www.accuweather.com/en/winter-we...