This year’s potential super El Niño is looking increasingly likely to have wide-reaching climate impacts that last into 2027. #cawater www.washingtonpost.com/weather/2026...

Scientists and officials are now preparing for a 30-day maelstrom of megastorms unlike anything seen in the state for almost 200 years. Such a scenario was always possible, but rising global temperatures are making it more likely and more destructive. #cawater www.sciencefocus.com/planet-earth...

A slow-moving Pacific storm will bring some late-season rain and mountain snow to California before spreading into the Southwest, offering limited but welcome moisture as drought and wildfire concerns persist. #cawater www.accuweather.com/en/weather-f...

A recent publication examined the effects of fire severity and timber salvage efforts on freshwater communities in streams throughout Oregon’s conifer forests. #cawater fishbio.com/surprising-e...

DFW announced that Monterey Bay will open to recreational salmon fishing on April 11. For the first time in four years, the region is also expected to reopen to commercial fishing sometime in May. #cawater www.montereycountynow.com/blogs/news_b...

The Bowtie Wetland Demonstration site is one of many planned projects to renaturalize and open up the Taylor Yard industrial area around the LA River. #cawater www.kcrw.com/shows/kcrw-r...

Hobbs is touting Arizona defense contractors’ work on Tomahawk missiles that the U.S. military deploys in the conflict. Her aim: to get Trump to intervene on behalf of the state in the West’s biggest water war. #cawater #ColoradoRiver www.eenews.net/articles/in-...

California clocked its second-worst snowpack on record Wednesday, a potentially troubling signal ahead for fire season. It’s an alarming end to a winter that saw abnormally dry conditions briefly wiped from CA’s drought map in January. #cawater mavensnotebook.com/2026/04/02/c...

Every state in the West is expected to face an above-normal threat of wildfire this summer, according to the latest projections, released Wednesday by the National Interagency Coordination Center. #cawater mavensnotebook.com/2026/04/02/g...

A new UC Riverside system can map soil moisture tree by tree, so growers water only where and when it’s needed. #cawater mavensnotebook.com/2026/04/02/u...

With 80% of the Delta too deeply subsided to restore to tidal marsh, rice agriculture stands out as one of the most promising interventions for reducing subsidence while preserving agricultural livelihoods. #cawater mavensnotebook.com/2026/04/02/d...

Starvation is the “primary cause of increased mortalities” in seabirds found from Mendocino County to San Diego #cawater localnewsmatters.org/2026/04/01/s...

The Karuk Tribe of California and the city of Yreka will host a creek cleanup April 25 aimed at restoring Yreka Creek, a waterway biologists consider the “last stronghold” for coho salmon in the Shasta River watershed. #cawater www.ijpr.org/podcast/the-...

While St. Helena has made efforts to stop minerals that cause discolored water from flowing through city pipes to residents’ homes, a buildup of those minerals still remains in the old water distribution system the city may ultimately seek to replace. #cawater www.pressdemocrat.com/2026/04/01/s...

San Francisco Baykeeper prevails over the cities of Sunnyvale and Mountain View in a longstanding Clean Water Act lawsuit. #cawater mavensnotebook.com/2026/04/02/s...

A desal pilot project at Marina State Beach in 1996 is being revived by the Marina Coast Water District to help reduce reliance on groundwater. #cawater www.montereycountynow.com/news/local_n...

A regional groundwater dispute that began more than a decade ago is now shaping who can sit on the current San Miguel Community Services District (CSD) board. #cawater www.newtimesslo.com/san-miguel-c...

Folks should pay close attention to two recent appellate court decisions from the Las Posas Valley Groundwater Basin. The March 2026 rulings mark the first contested comprehensive groundwater adjudication affirmed under the framework enacted alongside SGMA. #cawater www.omm.com/insights/ale...

Across California, 100s of public water systems are designated as failing by the state, most serving disadvantaged communities. The vast majority lack the resources to keep pace with rising costs and aging infrastructure. Nationwide, the picture is starker still. #cawater kymkemp.com/2026/03/25/w...

Ione residents say state and local agencies have refused to take accountability for elevated cancer rates and other health issues linked to water contamination at Mule Creek State Prison. #cawater prismreports.org/2026/03/24/m...

Drugs found in treated wastewater can be stored in the leaves of vegetables irrigated with that water, Johns Hopkins researchers found. But are drug-infused greens sitting on your grocer’s shelf, and how powerful is the dose? #cawater www.thederrick.com/ap/national/...

Over 6.2 million juvenile Chinook Salmon were released into Battle Creek, but conservationists warn that inadequate water flows during a record heat wave could jeopardize their survival. #cawater www.dailykos.com/story/2026/3...

Reclamation increases South of Delta allocation to 20%. Westlands: 'This additional 5 percent is simply inadequate' #cawater mavensnotebook.com/2026/03/24/r...

DWR said the snowpack has been melting at an average rate of 1% per day, putting CA on track for a near record-low April 1. Climatologist Michael Anderson speaks with Cap Radio. #cawater www.capradio.org/articles/202...

California's snowpack has been shrinking for weeks and is expected to melt rapidly with a heat wave this week. #cawater @ianjames.bsky.social www.latimes.com/environment/...

Anna Caballero, author of SB72, says there’s no concrete estimate for the cost to respond to worsening drought conditions, so she’s proposing a bond that could pay for implementing much-needed updates to the state’s water plan. #cawater mavensnotebook.com/2026/03/14/c...

A group has proposed an ambitious plan to build 8 massive desal plants off the CA coastline, making water for farming, and reducing demand on the ailing Colorado River. To meet the energy demand, the plants might have to be powered with nuclear reactors. #cawater www.usatoday.com/story/news/n...

In Colorado, mountain towns are wrapping up one of the worst ski seasons that anyone can remember. But it’s not the slushy slopes that are on people’s minds right now. It’s the wildfire risk. #cawater #ColoradoRiver www.nytimes.com/2026/03/15/c...

Common inspection programs and methods for detecting golden mussels—like boat inspections or eDNA—can be costly, labor intensive, and slow. Luckily, a new solution is on the rise: dogs that can smell invasive species. #cawater fishbio.com/golden-musse...

Recent radio monitoring shows that chinook salmon have reached stretches of the Upper Klamath River Basin—an area that anadromous fish have been absent from for over a century, according to a press release from the Oregon Department of Fish & Wildlife. #cawater fieldandstream.com/stories/cons...

When a meter turns 15 years old or so, it stops measuring the water usage accurately, almost always in favor of the customer, sometimes undercounting by huge margins. Arcata has 6,600 old water meters that need to be replaced. #cawater lostcoastoutpost.com/2026/mar/13/...

Yuba Water Agency filed a report with FERC regarding the New Colgate Powerhouse incident, stating that the incident may have reduced water flow in the lower Yuba River and temporarily dried out rearing habitat for Chinook salmon and steelhead. #cawater www.sacbee.com/news/politic...

The State Lands Commission relied on flawed data to mischaracterize the impact of sand mining leases, which pose a threat to Bay wildlife and shorelines, says SF Baykeeper #cawater mavensnotebook.com/2026/03/14/p...

Water supply certainty is in the future for San Joaquin Valley growers, according to three water experts who spoke at California Citrus Mutual’s Citrus Showcase Wednesday in Visalia. But it’s at least five to eight years out, acknowledged Paul Gosselin, at DWR. #cawater sjvwater.org/san-joaquin-...

A proposal for the state Water Resources Control Board to exclude “small pumpers” in both the Tule and Tulare Lake subbasins from the groundwater reporting and fee requirements required under probation, elicited strong reactions from some Kings County farmers. #cawater sjvwater.org/some-kings-c...

Mono Lake has revolutionized environmental law in California, the American West, and the U.S., bringing about important changes to water use and air quality regulations in recent decades. #cawater www.zocalopublicsquare.org/lonely-lake-...

The Long Beach City Council on Tuesday is expected to enter into an agreement with Los Angeles County and Ocean Cleanup, an international conservation group, to forge a plan for stewarding a new trash collection system at the mouth of the river. #cawater lbpost.com/newsletter/c...

A heat wave will quickly melt what little snow there is, and the states along the river are struggling to agree on how to divvy up the dwindling resource, with the federal government potentially stepping in. #cawater #ColoradoRiver www.bloomberg.com/opinion/arti...

A record-breaking heat dome will develop near the West Coast late this week, smashing records and sending temperatures into the triple digits through next week — when it will feel like summer during the final days of winter. #cawater www.washingtonpost.com/weather/2026...

The same high-pressure ridge delivering mid-80s temps to Santa Rosa by Sunday will also preclude the possibility of “Miracle March”. Conditions could be setting up for an early dry season and an earlier fire season. #cawater www.pressdemocrat.com/2026/03/11/p...

There is a 62% chance that El Niño conditions will begin between June and August and last at least through the end of the year. La Niña, which started last fall and ruled the winter, is expected to fade out any day. #cawater www.sfgate.com/weather/arti...

The Pacific Fishery Management Council (Council) has adopted three options for 2026 ocean salmon fisheries off Washington, Oregon, and California, which are available for public review. #cawater www.pcouncil.org/documents/20...

The 2025 Multibenefit Land Repurposing Program (MLRP) Annual Report is now available, showcasing collaborative efforts to advance groundwater sustainability while benefiting ecosystems, local economies, and communities. #cawater mavensnotebook.com/2026/03/12/r...

More than 10 years after environmental groups petitioned for a new rule, the state plans to require the Central Valley Water Board to update its waste regulations for dairies contributing to groundwater pollution. #cawater mavensnotebook.com/2026/03/12/i...

Nearly 40% of nonorganic fruits and vegetables grown in California contain traces of pesticides that are also PFAS, or "forever chemicals," according to a new investigation. #cawater www.kcra.com/article/cali...

For three years, California Forever has pitted the residents of Solano County against each other. What started off as an acrimonious flame war between supporters and detractors has now settled into a grinding battle of attrition. #cawater www.sfgate.com/news/bayarea...

Managing interconnected surface water under SGMA presents complex challenges for local agencies. Find out how groundwater pumping impacts stream depletion over time. #cawater #groundwater mavensnotebook.com/2026/03/11/u...

Nearly 40% of CA’s conventionally grown fruits and vegetables tested contained PFAS residues, including 90% of peaches and nectarines. #cawater www.latimes.com/science/stor...

Water Board staff issued an assessment March 2 that recommends the Delta Mendota subbasin, which stretches over 765,000 acres across six counties, return to the oversight of the Department of Water Resources (DWR). #cawater sjvwater.org/another-vall...

One of California’s most startling weather events in recent memory is set to unfold over the next 10 days, a spell that could shatter records by extraordinary margins. www.sfchronicle.com/weather-fore... #cawater