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Aquafornia
Water news you need to know

A collection of top water news from around California and the West compiled each weekday. Send any comments or article submissions to Foundation News & Publications Director Vik Jolly

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Aquafornia news WaterWorld

How a wildfire challenged Boulder County’s water supply in the matter of hours

Following a wet spring that resulted in a vast amount of vegetative growth, Boulder County, Colorado, experienced a very dry fall. The dry conditions zapped the moisture out of the vegetation. The county was under a red flag for extremely windy conditions. The heavy winds were coming from the west through the east, enveloping the open area of the county. The dry vegetation, combined with the windy conditions, created the perfect recipe for a fire to break out. What ensued over the following hours would be studied for years to come. A case study, titled “Water Utility Resilience: A Case Study of the 2021 Marshall Fire,” was conducted and prepared by Professor Brad Wham, University of Colorado, Boulder, Professor Erica Fischer, Oregon State University, and University of Colorado, Boulder, Graduate Assistant Rachel Geiger. … Geiger detailed the day the fire broke out, as well as the impact of it on five nearby water systems and the residents they serve.

Aquafornia news Capital Public Radio (Sacramento, Calif.)

‘Dead on arrival:’ State Sen. Cabaldon, Delta Caucus draw ‘red line’ on fast-tracking Delta tunnel project

… Recently the governor used his May budget revision to fast-track the Delta Conveyance Project, saying that was a critical addition to the State Water Project. That announcement drew criticism from opponents. The 15-member Delta Caucus — a bipartisan group of lawmakers representing Delta communities — sent a letter to Newsom and legislative leaders saying they are “unanimous in strong opposition to the governor’s proposal to fast-track the Delta tunnel.” One of the caucus members is State Sen. Christopher Cabaldon (D-Yolo), who previously served as the mayor of West Sacramento for two decades. Cabaldon recently spoke with Insight Host Vicki Gonzalez about the caucus’s opposition to the Delta Conveyance Project, and the alternative methods that could help meet the state’s water needs.

Other Sacramento-San Joaquin Delta news:

Aquafornia news USA Today

‘Forever chemicals’ taint more cities’ drinking water in U.S.

Water pouring from the faucets of at least 42 million Americans is contaminated with unacceptable levels of “forever chemicals,” according to a USA TODAY analysis of records the Environmental Protection Agency released on June 2. Per- and polyfluoroalkyl substances, or PFAS, are a family of manmade chemicals engineered to be nearly indestructible. Studies have shown they can accumulate over time in human bodies, leading to certain cancers and other health complications. Over the past two years, the EPA has collected complete sets of test results from about 6,900 drinking water systems, with thousands more expected as the PFAS testing initiative continues another year. USA TODAY’s analysis of these systems with complete results shows nearly a quarter of large water utilities serving at least 100,000 customers exceeded limits the EPA approved last year on two chemicals: PFOS and PFOA.

Other drinking water news:

Aquafornia news NPR

By removing invasive bullfrogs, scientists help Yosemite’s native turtles recover

… In new research published in the journal Biological Conservation, (UC Davis PhD candidate Sidney) Woodruff and her colleagues propose a possible — though intensive — countermeasure: a near-total eradication of the bullfrog from habitats that it has invaded. The result was the striking recovery of the Northwestern pond turtle, California’s only native freshwater pond turtle species, at a couple of remote bodies of water within Yosemite National Park. … Woodruff and her colleagues conducted a combination of night surveys to remove the adults and day surveys to go after bullfrog egg masses. Across two sites, she estimates they removed some 16,000 bullfrogs, amounting to a near-complete eradication. And after several years of removal, “we came across our first couple of small pond turtle hatchlings and juveniles swimming out in the environment,” says Woodruff.

Other invasive species news:

Aquafornia news Contra Costa Herald (Calif.)

Contra Costa Water District working to repair canal for $1 billion

During the Contra Costa Taxpayers Association Members and Leaders monthly luncheon in May, Contra Costa Water District Board President, Ernesto Avila provided an update on the district’s current work and plans. They include repairing 20 of the 48-mile canal at a cost of $1 billion, keeping water rates as low as possible and expanding service to keep up with growth. … Half of the district’s water is provided to treated water customers and the other half to raw water customers, Avila stated and then spoke about ensuring adequate “water supply during disasters such as fire and earthquake emergencies.” … The district owns Los Vaqueros Reservoir for storage, which is currently 93% full. But “we can’t just draw water whenever we want,” Avila stated. “All of our intakes are screened to protect fish.” “We are out of our drought,” Avila added. However, “during the drought there were no constraints on water supply for development and growth.”

Other local water infrastructure news:

Aquafornia news Data Center Dynamics

Amazon to expand number of data centers using recycled water to 120

Amazon is expanding the number of locations that will use treated wastewater for data center cooling from 20 to 120. The company this week announced it will expand its use of water recycling to more than 120 locations in states and counties where the cloud giant has data center operations by 2030. … Though data centers typically reuse water by recirculating the same water through their cooling systems multiple times, it is often drawn from potable (drinkable) sources. As the water can collect bacteria and limescale, it is treated with chemicals, leaving it unsuitable for people to drink once it leaves the facility. Exactly how much drinkable water the data center industry uses is unclear, but estimated to be in the billions of gallons annually. Today, Amazon uses recycled water instead of potable or drinkable water across 20 locations; 16 in Virginia and four in Santa Clara in California.

Other data center water use news:

Aquafornia news Los Angeles Times

Salton Sea is emitting foul-smelling gas at high levels, study says

On scorching days when winds blow across the California desert, the Salton Sea regularly gives off a stench of decay resembling rotten eggs. New research has found that the shrinking lake is emitting the foul-smelling gas hydrogen sulfide more frequently and at higher levels than previously measured. The findings document how the odors from the Salton Sea add to the air quality problems and health concerns in communities near the lake, where windblown dust drifts from exposed stretches of lakebed and where people suffer from high rates of asthma and other respiratory illnesses. “The communities around the Salton Sea are on the front lines of a worsening environmental health crisis,” said Mara Freilich, a co-author of the study and assistant professor in Brown University’s Department of Earth, Environmental and Planetary Sciences.

Aquafornia news E&E News by Politico

Senate poised to confirm EPA, Agriculture nominees

The Senate is speeding to confirm David Fotouhi for EPA deputy administrator and Stephen Vaden for deputy Agriculture secretary this week. Committees are also pushing energy and environment nominees forward. More than four months after President Donald Trump took office, Fotouhi is the third of nine candidates for various EPA posts whose nomination has made it to the Senate floor. Senate lawmakers voted Monday evening 53-43 along party lines to wind down debate on Fotouhi, a lawyer who also worked at EPA during Trump’s first term. A final roll call is scheduled for Tuesday. Fotouhi’s nomination won approval in March from the Senate Environment and Public Works Committee on a 10-9 tally, also on party lines. Before Monday’s vote, committee leaders offered starkly contrasting portrayals of Fotouhi’s credentials.

Related article:

Aquafornia news KSL (Salt Lake City, Utah)

Wasatch Front water managers concerned by new usage trends

Salt Lake County water managers say they’re concerned about new water trends as the region’s irrigation season has gotten off to a warmer and drier start. Water consumption in the Jordan Valley Conservancy District, which includes most of Salt Lake County, is up 15% from last year, which was up 12.5% from the previous year. … While Utah’s northern half experienced a normal snowpack this year, dry conditions prior to winter and an unproductive meteorological spring compromised the runoff efficiency. Utah’s meteorological spring — March 1 through May 31 — was the 11th warmest and 40th driest since 1895, according to National Centers for Environmental Information released on Monday. … Dry soil conditions before the snowpack also increased the probability that more snowpack water would go into recharging the groundwater supply, meaning less water that flows into the state’s reservoirs. … Over three-fourths of the state is now in at least moderate drought at the start of meteorological summer.

Other Utah water news:

Aquafornia news Arizona State University

News release: New algae system helps Arizona farmers grow better crops with less water

Ed Curry is passionate about the green, red and yellow chile peppers he grows on his 3,000-acre farm in Pearce, Arizona, about 90 minutes southeast of Tucson. He’s also passionate about saving water. A new technology Arizona State University is analyzing and promoting has combined his love for spice and conservation. … (Farmer Ed) Curry said he cut about 50% of his water usage in the 1990s by going to a drip system. More recently, he estimates he’s cut another 10% through a new soil service. ASU and MyLand, a Phoenix-based soil health company, demonstrated how soil health innovation can drive measurable water conservation at Curry’s farm at an event on May 14. This is achieved by using live, native microalgae to improve soil so that farmers like Curry can achieve greater water efficiency, increased yields and reduced environmental impact. … “We have growers who have documented a 15% decrease in water use on alfalfa, an extra half-day between irrigation cycles on peppers and a 24% improvement in water-use efficiency on tree nuts.”

Other agriculture and water conservation news:

Aquafornia news KRCR (Redding, Calif.)

Toxic algal mat warning issued for Pit River in California

The California Department of Fish and Wildlife and the California Department of Water Resources have issued a warning to residents about a toxic algal mat in the Pit River, located in the Jess Valley area near the Modoc National Forest. The departments urged the public to exercise caution when engaging in recreational activities near this area. They explained that harmful algal blooms (HABs) are caused by algae or cyanobacteria that can grow suspended in the water column or attached to the bottom, forming algal mats. Some species of these algae can produce toxins, posing a risk to humans and pets. The department said to call your veterinarian or doctor immediately if you become sick after ingesting or coming in contact with algae. … The departments said they will provide updates through a routine water monitoring program that conducts site visits at this waterway.

Other algae news:

Aquafornia news USA Today

Fog-free San Francisco? Experts ponder California climate future

… The future of San Francisco’s iconic fog has been debated in media stories during recent years, and some experts note a diminished cloud cover along the California coast that could lead to a warming trend. … While the scientific community endeavors to figure out the long-range impact of climate change on California’s coastal fog, there’s a strong consensus that diminished cloud cover would have a harmful effect. Species such as the widely admired coastal redwoods, which get up to 40% of their yearly water intake from fog, could be threatened if that resource dwindled. … But climate scientists are split over whether the increased heat will lead to less fog because the air over the ocean won’t be cold enough to condense, or whether stronger winds will atone for that factor.

Aquafornia news The Colorado Sun (Denver)

Monday Top of the Scroll: “The time for action is now” — Pressure mounts for negotiations over the Colorado River’s future

… The Colorado River Basin is in dire straits: The water supply for 40 million people has been dwindling, and climatologists say the climate future is bleak. State officials have spent months mired in thorny negotiations over things like how to split painful water cuts in the driest conditions — with scant progress to report publicly. … The final plan could determine everything from how key reservoirs store and release water to who takes cuts in dry years and how environments, like the Grand Canyon, will be impacted for years to come. It will impact water supplies for cities, like Denver, Phoenix and Los Angeles, ecosystems, a multibillion-dollar agricultural industry, hydroelectric power and more.

Other Colorado River Basin negotiation news:

Aquafornia news Politico

The fishermen allying with farmers in California’s water wars

In California’s water wars, fishermen and farmers have long been enemies. But now that federal and state regulators have closed the salmon commercial fishing season for an unprecedented third year in a row to protect declining populations, at least one major commercial fishing group is shifting its alliances. The Pacific Coast Federation of Fishermen’s Associations teamed up with farmers for a first-ever joint Washington, D.C., lobbying trip in early May. They met with members of Congress and federal officials to ask for more money for salmon hatcheries, which breed, raise and release young fish. … For the Fishermen’s Associations, which have sued for decades to keep water in California’s rivers for fish instead of being diverted to farmers, the trip is part of a larger pivot amid growing desperation as high temperatures and low water levels kill their business.

Other fishery news:

Aquafornia news SJV Water

Groundbreaking celebrates tiny Tulare County community’s connection to clean water

More than 100 residents in the tiny unincorporated town of West Goshen can weather the summer months knowing that by the end of it, the water flowing through their faucets will be safe for drinking, cooking and bathing thanks to a new connection to California Water Service. Residents along with local and state officials marked that monumental step at a groundbreaking ceremony Thursday evening in West Goshen, west of Visalia and Highway 99 in Tulare County. … California Water Service provides water to Visalia residents. It was able to connect West Goshen through an emergency consolidation project. West Goshen residents had relied for years on bottled water after they discovered groundwater from private wells was laced with uranium, nitrates and other contaminants. The 60-day connection project will require a crew of eight to lay more than 8,000 feet of pipe. 

Other local water infrastructure news:

Aquafornia news Space

‘What a waste.’ US scientists decry Trump’s 47% cuts to NASA science budget

… (T)hings only got worse on May 30, when the Trump administration’s fiscal year 2026 budget request for NASA came out. It proposes cutting the agency’s science funding by 47%, and the agency’s workforce by about one-third — from 17,391 to 11,853. … According to the Planetary Society’s analysis of the budget, that huge astrophysics reduction could mean eight spacecraft dedicated to studying extreme events in the universe (think, the Chandra X-ray Observatory) would be terminated. This analysis also suggests 10 missions constructed to study the region around Earth and the sun would be cancelled, as well as about a dozen Earth-specific missions that help scientists forecast natural disasters such as hurricanes and track global warming. … Per the budget proposal, the White House also wants NASA to eliminate its “green aviation” spending, dedicated to making airplanes better for the environment, and instead work on “protecting the development of technologies with air traffic control and defense applications.”

Other NASA news:

Aquafornia news SJV Water

California Supreme Court gets an earful on Kern River appellate court opinion

One new legal filing and a raft of letters have been sent to the California State Supreme Court alternately praising and decrying the recent 5th District Court of Appeal opinion that overturned a local court order that had kept the Kern River flowing, at least for a few months. The response, filed by several agricultural water districts with Kern River rights, urges the Supreme Court to deny a petition to review the 5th District’s opinion and let it remain published, which can set precedent for how other courts rule in similar cases. The letters all seek to have the Supreme Court “depublish” the 5th District’s ruling, making it less potent. Two of the letters were filed by the original plaintiffs. … The state Attorney General and two environmental public interest groups also sent letters beseeching the state’s top court to depublish the 5th District’s opinion. 

Aquafornia news The Guardian (London, U.K.)

The river that came back to life: a journey down the reborn Klamath

… Last year, the final of four hydroelectric dams on the Klamath River were removed in the largest project of its kind in US history. Forged through the footprint of reservoirs that kept parts of the Klamath submerged for more than a century, the river that straddles the California-Oregon border has since been reborn. The dam removal marked the end of a decades-long campaign led by the Yurok, Karuk and Klamath tribes, along with a wide range of environmental NGOs and fishing advocacy groups, to convince owner PacifiCorp to let go of the ageing infrastructure. The immense undertaking also required buy-in from regulatory agencies, state and local governments, businesses and the communities that used to live along the shores of the bygone lakes. As the flows were released and the river found its way back to itself, a new chapter of recovery – complete with new challenges – emerged.

Other Klamath River news:

Aquafornia news Audubon

Blog: Shorebirds and wetlands may be winners at the Salton Sea, new Audubon Calif. report finds

A new science brief published today by Audubon California shows that a number of factors have surprisingly resulted in an increase in wetland habitat, and that an increasing number of shorebirds are taking advantage of the changes—driving a growth rate of 15 percent per year in waterbirds overall. This new development comes as the Sea continues to witness the shrinkage of deep-water habitats and fish-eating bird populations. This finding and others are drawn from seven years of Audubon’s bird surveys and habitat assessments at the Salton Sea. … The science brief, which summarizes a more comprehensive scientific study currently under peer review in a scientific journal, points to significant shifts in habitats, food availability, and bird populations. Newly formed vegetated wetlands, for example, increased from 5,944 acres in 2019 to 7,312 acres in 2022, or by 23 percent. 

Other Salton Sea wildlife news:

Aquafornia news Native News Online

Navajo Nation declares 2025 drought emergency

The Navajo Nation Commission on Emergency Management (CEM) unanimously approved Resolution No. 25-005, officially declaring a State of Emergency in response to worsening drought conditions across the Nation. All six commissioners voted in favor of the resolution. … Resolution 25-005 addresses a range of urgent concerns, including critically low precipitation, deteriorating rangelands, declining water infrastructure, and heightened wildfire risks. The declaration calls on livestock owners to reduce herd sizes, instructs Grazing Officials to update tally counts, and encourages farmers to shift to drought-resistant crops. It also places restrictions on irrigation to conserve dwindling lake and reservoir supplies. … The resolution authorizes $6,553,730 from the Agricultural Infrastructure Fund (AIF) to be directed toward critical repairs to windmills and the installation of water storage systems in drought-affected communities. 

Other drought news: