A stratospheric disruption is impacting California's weather. A high-pressure ridge over Alaska is expected to bring a cool, dry pattern for early December. This "Canadian warming" event may set the stage for significant weather shifts later this winter. #cawater www.sfchronicle.com/weather/arti...

With PG&E advancing plans to remove Scott Dam, Mendocino County's Potter Valley faces critical water storage challenges. Officials are exploring new options, from storage ponds to groundwater recharge, to sustain the region's $35M agricultural output. #cawater www.pressdemocrat.com/2025/11/28/w...

Everything in Monterey's water is a proxy for something else, and in this mess of public agencies and projects, one recurring storyline is that Cal Am is either a villain or a hero thwarted in its efforts to develop an alternate water supply. #cawater www.montereycountynow.com/opinion/loca...

A plan was presented to the Imperial County Board of Supervisors to restore the Salton Sea that proposes using geothermal heat to distill water and extract pure salt, a method that could restore fish, birds, and recreation within 20 years. #cawater www.thedesertreview.com/news/local/b...

Major storms that drenched California in recent weeks have dramatically improved drought conditions statewide. As of Tuesday, more than two-thirds of the state was entirely drought-free. What about the other third? #cawater www.sacbee.com/news/califor...

Congressman Adam Gray said residents across the Central Valley have told him they no longer believe government can deliver major infrastructure, and in his view, they’re justified. #cawater losbanosenterprise.com/the-valley/2...

California is taking the first steps in realizing an idea to save billions of gallons of water each year and produce enough clean energy to power a city the size of Los Angeles for nine months annually. #cawater www.universityofcalifornia.edu/news/solar-p...

The Delta Stewardship Council will conduct a public hearing on February 26 and 27, 2026, regarding appeals of the California Department of Water Resources’ certification of consistency with the Delta Plan for the Delta Conveyance Project #cawater mavensnotebook.com/wp-content/u...

Interior announced an order to streamline federally funded construction projects at Reclamation facilities by reducing administrative burdens, cutting costs for water and power users and supporting faster delivery of critical infrastructure across the West. #cawater www.doi.gov/pressrelease...

A San Francisco startup is putting a new spin on the shower beat … serving up a cold one from recycled shower and laundry water. #cawater nypost.com/2025/11/25/u...

Waters off the California coast, part of one of Earth’s richest marine ecosystems, have acidified faster than most of the rest of the world’s oceans over the past century, according to a new study. #cawater www.sfchronicle.com/climate/arti...

Mendocino County IWPC held a workshop to discuss the decommissioning of the Potter Valley Project and answer questions from community members about how it will impact the local economy, residents, and natural resources. #cawater www.sfgate.com/news/bayarea...

Sacramento County water officials are warning residents about the environmental impact of using certain pesticides to treat ants and other pests. #cawater www.kcra.com/article/sacr...

In Muir Woods National Monument, Redwood Creek meanders past giant redwood trees — its banks carefully manicured of twigs and logs giving it a tidy, pristine look. Todd Steiner and his salmon advocacy group SPAWN want to reverse that. #cawater www.nbcbayarea.com/news/local/m...

The city of Ventura Tuesday warned residents in the Pierpont neighborhood not to use tap water after gasoline was found in the city's drinking water. #cawater abc7.com/post/ventura...

LADWP received over 800 letters from Mono Lake Committee members voicing support for a LA-Mono Lake water replenishment plan. #cawater www.monolake.org/today/800-le...

Nearly 5.5 billion gallons of water were captured during one of the wettest Novembers on record in Los Angeles, the LADWP said. #cawater www.nbclosangeles.com/weather-news...

A report that finds San Clemente can save its beaches using nature-based solutions was presented to city officials hoping to figure out a solution to its shrinking shoreline. The proposed project could have the added benefit of a new, man-made surf break #cawater www.ocregister.com/2025/11/25/s...

Gas created by trash at the Prima Deshecha Landfill could be turned into renewable energy to help power the Doheny Ocean Desalination Project in south Orange County. #cawater www.ocregister.com/2025/11/26/l...

“It looks like in the priority one management zones, there are 13,000 impacted domestic wells. We have the opportunity here to use the best available data science and also regulatory tools to get those outcomes and solutions.“- Tien Tran @mavensnotebook.com mavensnotebook.com/2025/11/24/n...

DWR has released a comprehensive new assessment of water conveyance in the San Joaquin Valley finds that the top priority is stopping or minimizing land subsidence, especially near SWP and CVP conveyance facilities. #cawater mavensnotebook.com/2025/11/25/r...

A string of early-season storms has ended California’s drought across much of the state, with Santa Barbara receiving its wettest water year start on record. #cawater www.latimes.com/california/s...

Cadiz says it’s reshaping the future of water in the West by focusing on what it calls a management challenge rather than a full-blown crisis. #cawater www.nbcpalmsprings.com/2025/11/24/c...

A new report from the nonprofit NEXT 10 and UC Riverside found that, in 2023, data centers in California pulled 10.82 terawatt-hours of electricity — 1 terawatt equals 1 trillion watts — from the state’s grid, enough to power 1 million U.S. households. #cawater mavensnotebook.com/2025/11/25/h...

Now that the former Motel 6 building, restaurant, and parking lot have been demolished from the Upper Truckee Marsh in South Lake Tahoe, planning is underway to bring this wetland back to life. #cawater www.tahoedailytribune.com/news/tahoe-f...

CV-SALTS is advancing efforts to reduce salt and nitrate contamination in the Central Valley. Key initiatives include long-term salinity management, safe drinking water for high-risk areas, and cross-sector collaboration. #cawater mavensnotebook.com/2025/11/24/n...

To meet the goals of SGMA in the San Joaquin Valley, it is estimated that more than 500,000 acres of agricultural land will need to be retired by 2040. Repurposing land at this scale is a daunting challenge, but there is a path forward. #cawater mavensnotebook.com/2025/11/24/c...

Researchers from the University of California, Riverside, found that health impacts from pollution associated with California’s computer processing data centers tripled from 2019 to 2023 — and could rise by another 72% by 2028. #cawater mavensnotebook.com/2025/11/22/u...

Data centers are notoriously thirsty, but new research from Cornell University shows that there’s a way to mitigate both the climate and water footprints of these facilities: build them in places with lots of wind and solar energy. #cawater mavensnotebook.com/2025/11/24/g...

Operations have officially begun for the Big Notch Project. The project includes three seasonally operated gates at the Fremont Weir, making it easier for juvenile salmon and sturgeon to move into the Yolo Bypass, a critical floodplain habitat. #cawater mavensnotebook.com/2025/11/22/d...

A Sacramento federal judge granted a preliminary injunction late Thursday to pause razing more than 650 trees clustered along the American River Parkway, citing “irreparable harm” for recreationists who will lose access to the area. #cawater www.sacbee.com/news/local/a...

Stinson Beach, beloved for its white sand and seaside cottages, is one of the nation’s most expensive markets. It may not last forever, however, as climate change is due to bring the surf ever higher, claiming more of the beach with each decade. #cawater www.sfchronicle.com/climate/arti...

A recent dock fouling event at Jack London Square allowed participants to observe aquatic life on the dock's underwater surfaces. The event highlighted the unique, and often overlooked, ecosystems present in urban marine environments. #cawater www.mercurynews.com/2025/11/20/f...

For the first time in 70 years, chinook salmon have been observed migrating far upstream in Alameda Creek. This follows three decades of restoration efforts, including the removal of small dams and the installation of fish ladders over other barriers. #cawater www.sfchronicle.com/bayarea/arti...

After months of analysis, California agencies have issued a report saying that even a functioning reservoir likely wouldn’t have done much in the face of the Palisades Fire in January. #cawater laist.com/news/climate...

The San Diego County Water Authority will spend millions in property tax revenue each year to keep costs low for the region's $1.7 billion agricultural sector. #cawater www.sandiegouniontribune.com/2025/11/21/a...

Major storms that soaked much of California in recent weeks sharply diminished drought conditions in the state. #cawater www.sfgate.com/weather/arti...

Milestone in the revitalization of Battle Creek was achieved through River Partners’ acquisition of Battle Creek Ranch in Tehama County, marking a concrete step toward restoring one of California’s most important salmon-bearing waterways #cawater mavensnotebook.com/2025/11/21/p...

The 2025 San Francisco Bay State of the Birds, published online last month, shows a mixed bag: some bird groups, like in tidal marshes, are doing well, while others, like shorebirds, are struggling. #cawater baynature.org/2025/11/20/s...

Nearly a dozen chinook salmon have swum the 12 miles upstream from SF Bay through Alameda Creek into Niles Canyon—likely the first salmon to spawn there in 30 years, according to Jeff Miller, founder of the Alameda Creek Alliance. #cawater @baynature.org baynature.org/2025/11/20/w...

Judge Highberger warns Cuyama Valley residents: inaction on the ongoing groundwater lawsuit risks future pumping rights. Safe yield is set at 20,370 AFY—less than half of current use. Small farmers fear disproportionate impacts from looming cuts. #cawater mavensnotebook.com/2025/11/21/s...

Two Kings County GSAs released draft pumping allocation policies recently but had a hard time getting feedback, Not because growers and residents didn’t want to talk. They did. Just not about the pumping allocations. #cawater mavensnotebook.com/2025/11/21/s...

Even a full reservoir wouldn’t have ensured water in Palisades fire, California officials say #cawater @ianjames.bsky.social www.latimes.com/environment/...

The recent storms that brought 3.5 inches of rain to SoCal allowed the Orange County Water District to capture more than 5.6 billion gallons of Santa Ana River stormwater to be recharged into the basin. #cawater www.ocwd.com/wp-content/u...

After a winter storm pummeled California with rain, most of its reservoirs are recording above-average levels for this point in the season. #cawater www.sfgate.com/bayarea/arti...

California applies more than 2.5 million pounds of PFAS-based pesticides every year, embedding “forever chemicals” into soil systems, water sources, and agricultural landscapes at an unprecedented scale. #cawater environmentenergyleader.com/stories/pfas...

New Sacto County development proposals threaten the Natomas Basin Habitat Conservation Plan, jeopardizing a long-standing balance between urban growth and wildlife protection. The giant garter snake, an indicator of wetland health, faces an uncertain future. #cawater www.sacbee.com/news/local/a...

11/20/25 8:50am Update: We have 2.8" (7 cm) of new #snow with light to moderate snowfall rates continuing this morning. Our 7-day total to 11.6" (29.5 cm). Snow will continue through this evening and is expected to be the last for at least the next 7-10 days. #CAwx #CAwater

Sacramento County Supervisors unanimously approved the SMUD's controversial Coyote Creek solar project at a packed Tuesday meeting with over 150 people showing up to share concerns or support over the course of hours. #cawater www.capradio.org/212230

Surging seas will increase flood risks for hazardous sites in Richmond and other overburdened cities along U.S. coasts, a study warns. Low-income neighborhoods and communities of color face a disproportionate share of the risk, they found. #cawater mavensnotebook.com/2025/11/20/i...