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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 Los Angeles Times

Friday Top of the Scroll: State officials say federal cuts threaten California’s environment

Budget cuts, staff reductions and other sweeping changes from the federal government are posing real threats to California’s environment and progress against climate change, state officials said Thursday. … Karla Nemeth, director of the California Department of Water Resources, said the agency is reeling from several changes to key components of its water supply system. Among them are staff reductions at the federal U.S. Bureau of Reclamation, which oversees the Central Valley Project — a vast network of dams, reservoirs and canals that delivers water supplies across the state. The Central Valley Project is the federal companion to the State Water Project, which performs a similar function. … The state also works closely with the Bureau of Reclamation to manage flood protection in California, where several levee and dam safety projects are now in jeopardy, Nemeth said. They include projects to enhance the system along the American River in Sacramento — one of the most flood-prone urban areas in the U.S. — and to address the devastating 2023 levee breach that flooded the community of Pajaro.

Other climate science and mitigation news:

Aquafornia news The Colorado Sun (Denver)

$4 million in federal funds released for Upper Colorado River Basin watershed restoration

Millions of dollars in federal funding have been released to continue restoring lands and streams in the fire-scarred Upper Colorado River Basin watershed in and around Grand Lake and Rocky Mountain National Park. The roughly $4 million was frozen in February and was released in April, according to Northern Water, a major Colorado water provider and one of the agencies that coordinate with the federal government and agencies such as the U.S. Forest Service to conduct the work.  Esther Vincent, Northern Water’s director of environmental services, said the federal government gave no reason for the freeze and release of funds. The amounts and timing of the freeze and release are being reported here for the first time. 

Other Colorado River Basin news:

Aquafornia news E&E News by Politico

Court backs FERC decision allowing state review of hydroelectric projects

A federal appeals court on Thursday found California could still review whether a pair of hydroelectric projects in the state comply with its water quality standards during license renewal proceedings. The U.S. Court of Appeals for the District of Columbia Circuit determined the Federal Energy Regulatory Commission was right when it found the California State Water Resources Control Board had not waived its authority under the Clean Water Act to review re-authorizations for the Yuba-Bear and Drum-Spaulding hydroelectric projects. The Nevada Irrigation District, which had applied with FERC to renew its licenses for the two projects, said in its lawsuit that the board had waived certification authority by engaging in a “coordinated” effort to go beyond the one-year statutory deadline to review the projects. But the three-judge panel agreed with FERC that state officials had not coordinated with the project developer to delay the review process for the projects.

Related article:

Aquafornia news California Department of Fish and Wildlife

News release: Scientific surveys show continued decline in white sturgeon population

Recent results from white sturgeon monitoring surveys by the California Department of Fish and Wildlife (CDFW) suggest the white sturgeon (Acipenser transmontanus) population has continued to decline. CDFW fisheries biologists now estimate there are approximately 6,500 white sturgeon between 40-60 inches long in California — down sharply from the previous estimate of approximately 30,000 fish in that size range, based on the 2016-2021 survey average. There may be many reasons for the downward trend, including mortality from harmful algal blooms, poaching, past sport fishing harvest and poor river and Delta conditions. … Based on historical surveys conducted by CDFW between 1954–2022, the number of white sturgeon in California has been in decline for many years. The species is currently a candidate for listing as threatened under the California Endangered Species Act (CESA) and receives full CESA protection while its status is reviewed. 

Other California Department of Fish and Wildlife news:

Aquafornia news KSL (Salt Lake City, Utah)

Utah on track to have one of its driest, warmest years as half of state in severe drought

More than half of Utah is now in severe drought, but it is far from the only Western state experiencing dry conditions, as drought conditions worsen across the region. About 52% of the Beehive State is now in severe drought, while the rest remains in moderate drought, the U.S. Drought Monitor reported on Thursday. … Meanwhile, 86% of the West is at least “abnormally dry,” including nearly two-thirds of the region that is also in some form of drought. The figure is based on conditions across Utah, Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Washington and Wyoming. Only eastern pockets of Colorado, Montana, New Mexico and Wyoming remain out of any category, along with a section of Northern California. While Utah remains the only state entirely consumed by drought, more serious categories have formed in other parts of the West. About 12% of the region is in extreme or exceptional drought. 

Other drought news:

Aquafornia news KUNC (Greeley, Colo.)

How does cloud seeding work in the Mountain West? Here are the facts

Cloud seeding can increase the water supply in places that don’t have enough. The technology behind it goes back to the 1950s, and scientists are studying how effective it can be in the 21st century. Jonathan Jennings is a meteorologist who directs the cloud seeding program for the state of Utah. Before that, he worked on cloud seeding in Texas for more than a decade. He recently finished a term as president of the Weather Modification Association. Jennings spoke with KUNC about the facts surrounding cloud seeding in the Western U.S. This conversation has been lightly edited for length and clarity. … Jonathan Jennings: Right now, the operational programs in the Mountain West, specifically in the Colorado River Basin, are all winter projects. The goal is to enhance precipitation on the snowpack, which leads to better runoff into the Colorado River. We have active programs in Colorado, Utah and Wyoming.

Other cloud seeding news:

Aquafornia news ABC7 (Los Angeles)

Palisades Fire victims accuse L.A. Department of Water and Power of altering records and changing policies in amended lawsuit

As we mark six months since the devastating January wildfires, there are troubling new allegations by thousands of Palisades Fire victims in their lawsuit against the Los Angeles Department of Water and Power (LADWP). They claim the utility tampered with records for a reservoir that was empty at the time of the fire, as well as power lines in the area. The new allegations accuse LADWP of failing to comply with its own policy, then changing the policy and altering a computer log to erase an over four-hour delayed arrival to shut off power to the Pacific Palisades on Jan. 7. … Regarding the 117 million-gallon Santa Ynez Reservoir that was empty when the fire broke out, Public Records Act requests retrieved LADWP emails that show the reservoir’s cover should have been inspected monthly and by divers underneath on an annual basis, but it was last inspected back in 2021.

Aquafornia news Los Angeles Times

What caused an L.A. tunnel to collapse? County calls for investigation

Work on a Los Angeles County sanitation tunnel has been halted as investigators look into what caused it to collapse Wednesday evening, leaving 31 workers scrambling to make their way to safety. Los Angeles County Supervisor Janice Hahn, who is also on a county sanitation district board, said in a statement that the district will be looking into what caused the tunnel collapse. … The purpose of the Clearwater Project is to build a more robust tunnel so that treated wastewater can be safely pumped out to the ocean from the county’s biggest treatment plant. The existing tunnels can’t be taken out of service, were not built to today’s seismic standards, and are not large enough to handle high volume during heavy storms. A 2017 storm nearly flooded the system, and the damage from such an event could be catastrophic. If the existing tunnels were to fail, the Joint Water Pollution Control Plant would either discharge raw sewage into nearby Machado Lake or into the Los Angeles Harbor, with environmental impacts that could last months or years, county officials said.

Related articles:

Aquafornia news Times of San Diego

Lawmakers call for federal action on Tijuana River pollution crisis

California lawmakers on Thursday re-introduced the Border Water Quality Restoration and Protection Act to combat ongoing pollution from the Tijuana River. … This is not the first time the bill has surfaced as a piece of bicameral legislation. It was introduced in 2021 and again in 2024. However, the reintroduction comes just after officials released results from the Centers for Disease Control’s survey of how people near the border felt about the Tijuana River pollution crisis and its effects on them. … The Border Water Quality Restoration and Protection Act would establish the EPA as the lead agency coordinating efforts between federal, state, tribal and local agencies to deal with pollution. The bill also would establish an EPA Geographic Program that would implement a water quality management program within 180 days of the bill’s passing. The EPA already has 12 Geographic Programs that protect local ecosystems through water quality improvement, habitat restoration and environmental education. 

Other Tijuana River news:

Aquafornia news Fox Weather

Neutral ENSO conditions likely to last into winter

Neutral conditions dominating large parts of the eastern and central Pacific are likely to persist throughout the rest of the year and into the upcoming winter, according to a recent NOAA outlook. In the agency’s most recent update, researchers noted that much of the Pacific has anomalies between 0.5 °C to -0.5 °C, meaning neither El Niño nor La Niña is in control.  Once surface temperature anomalies reach at least -0.5 °C or colder, a La Niña is considered underway, which has global implications for weather patterns. The agency said that if the status of the El Niño-Southern Oscillation, or what is commonly referred to as the ENSO, were to reach the cool phase later in the year, the changeover would likely not mean a whole lot of change, because the La Niña would be weak. … Last winter officially qualified as a La Niña event, although the signal was weak. Despite the cool signal, the season ended as the third-warmest winter on record, with an average temperature of 1.9 °F above the long-term average. 

Other ENSO news:

Aquafornia news KVOA (Tucson, Ariz.)

PFAS settlement secures $4.8M for Tucson’s water safety

Tucson is taking significant steps to secure its water supply amidst ongoing PFAS contamination challenges. The City of Tucson has received an initial $4.8 million payment from a national legal settlement aimed at addressing the impacts of PFAS products used as Aqueous Film Forming Foam (AFFF). In an effort that began in 2018, Tucson joined a nationwide lawsuit alongside hundreds of other water departments, including those from Southern Arizona. This settlement is expected to bring nearly $30 million to the city over the coming years. PFAS contamination has forced Tucson to shut down nearly 40 drinking water production wells and incurred substantial costs. To combat this, Tucson Water is constructing advanced water treatment facilities to restore some of the affected wells. … While challenges remain, the settlement offers vital funding to manage the contaminated groundwater supplies effectively.

Other PFAS news:

Aquafornia news The Times-Standard (Eureka, Calif.)

Free Rivers Symposium kicks off in Klamath ahead of the First Descent kayakers return

The Klamath River Dam Removal First Descent youth kayaking trip will come to an end on Friday in Klamath for the First Descent Reception. The group will participate in some reflection on their adventure as well as speak about the importance of global river justice and its effect. Friday will be the 30th day of the group’s source-to-sea journey, becoming the first group to navigate through the recently undammed Klamath River. Friday’s event is also the beginning of the Free Rivers Symposium, a four-day event in Klamath with tribal leaders, scientists and environmental organizations highlighting the ecological and cultural significance of the restored Klamath River. In the Free Rivers Symposium, experts will highlight the impacts of wildlife and river ecosystems, the impact on the water and habitat restoration. The group of more than 30 youths traveled over 300 miles exploring the Klamath River after four of the river’s six dams were removed in the largest dam removal project in U.S. history.

Aquafornia news The Current (UC Santa Barbara)

Rivers choose their path based on erosion — a discovery that could transform flood planning and restoration

… Understanding why some waterways form single channels, while others divide into many threads, has perplexed researchers for over a century. Geographers at UC Santa Barbara mapped the thread dynamics along 84 rivers with 36 years of global satellite imagery to determine what dictates this aspect of river behavior. “We found that rivers will develop multiple channels if they erode their banks faster than they deposit sediment on their opposing banks. This causes a channel to widen and divide over time,” said lead author Austin Chadwick, who conducted this study as a postdoctoral researcher at UCSB. The results, published in the journal Science, solve a longstanding quandary in the science of rivers. They also provide insight into natural hazards and river restoration efforts. … The formula developed by the authors enables engineers and scientists to estimate the width a restoration project will need, a deciding factor in a project’s feasibility and cost. The analysis can also help policymakers prioritize candidates for recovery. 

Aquafornia news The University of Utah

Great Salt Lake’s mystery islands: U geologists are investigating phragmites-covered mounds that reveal spots where ancient groundwater reaches daylight

As Great Salt Lake’s levels continue to sag, yet another strange phenomenon has surfaced, offering Utah scientists more opportunities to plumb the vast saline lake’s secrets. Phragmites-covered mounds in recent years have appeared on the drying playa off the lake’s southeast shore. After several years of scratching their heads, University of Utah geoscientists, deploying a network of piezometers and aerial electromagnetic surveys, are now finding out what’s going on under the lakebed that is creating these reed-choked oases. Bill Johnson, a professor in the Department of Geology & Geophysics, suspects the circular mounds have formed at spots where a subsurface plumbing system delivers fresh groundwater under pressure into the lake and its surrounding wetlands. … One goal of Johnson’s research is to determine whether the groundwater can be tapped to restore broken lakebed crusts, thereby reducing dust pollution. 

Other Great Salt Lake news:

Aquafornia news FarmProgress

California almond crop rebounds to near-record levels

 … The mild spring appeared to bolster almond yields statewide. The USDA’s 2025 California almond production forecast has risen to 3 billion meat pounds, up 7% from May’s subjective forecast and 10% higher than last year’s crop of 2.73 billion meat pounds. The forecast is based on 1.39 million bearing acres, explains the National Agricultural Statistics Service office in Sacramento. … A 3-billion-pound crop would be California’s second largest in history. … The heavy load is despite storms that began in early February and peaked in the middle of the month. Rain, wind and hail hindered bee hours and blossom growth, but conditions improved in early March with warm temperatures accelerating the crop’s progress through the end of bloom. Mild temperatures and timely rain in spring supported nut growth and continued through early summer, lessening heat stress in orchards, NASS reports. 

Other agriculture news:

Aquafornia news edhat (Santa Barabara, Calif.)

Here’s why commercial water users in north SLO County may soon pay more

On Wednesday, July 9, 2025, Paso Robles Area Groundwater Authority (PRAGA) held an open house to discuss the possibility of implementing a new fee for commercial groundwater users. This added charge will be used to fund the county’s Groundwater Sustainability Plan in the Paso Robles Groundwater Basin area. The meeting was held to inform the public of the upcoming changes while also encouraging questions from them ahead of the formal hearing scheduled on August 1. … The agency says the fee will help fund the implementation of the Groundwater Sustainability Plan, a requirement under California’s Sustainable Groundwater Management Act (SGMA). The collected revenue will contribute to the management of the basin to achieve long-term water balance in the region. As per a press release, this fee will not be applicable to domestic well owners who use less than two acre-feet of water per year.

Other regional water management news:

Aquafornia news KVPR (Fresno, Calif.)

The tankhouse: a rapidly vanishing icon of the Central Valley

They were once a common and iconic part of the Central Valley landscape, but they’re growing increasingly rare. Today on KVPR’s Central Valley Roots, the story of the tankhouse – a key technology that made the valley bloom, over 100 years ago. Drive through the rural areas on the east side of the Valley and chances are at some point you’ll come across an old farmhouse from the 19th century. In many cases, you’ll see an odd shaped outbuilding, shaped kind of like a giant wooden milk carton, two or three stories tall. Some have sloping walls at the base, while others are boxy rectangles. They’re known as tankhouses, and while they can be found in places ranging from Texas to the Northwest, they’re especially identified with California, and the Central Valley. The earliest tankhouses were likely built in the 1860s and combined a water well, water pumping and water storage in one system. … The windmill would power a pump, which lifted water from the aquifer to the tank, 20 to 30 feet in the air, which was enough to supply gravity produced water pressure. 

Aquafornia news Politico

Thursday Top of the Scroll: NOAA nominee pledges full weather service staffing

President Donald Trump’s nominee to head NOAA pledged Wednesday to fully staff the National Weather Service, after catastrophic Texas floods triggered a new wave of criticism over the president’s deep cuts across government. Administration critics have wondered whether efforts to reduce the federal workforce and eliminate programs affected the government’s ability to warn residents. … Jacobs, whose background is in weather modeling, has advocated for retooling NOAA’s weather data collection processes, including through greater engagement with private-sector companies that operate their own satellites and would benefit from multibillion-dollar government contracts. … Sen. Amy Klobuchar (D-Minn.) told Jacobs that the nation cannot afford to retrench on climate change given its direct impacts on communities facing rising frequency and intensity of storms, floods, droughts, wildfire and other natural disasters.

Other NOAA news:

Aquafornia news The Colorado Sun (Denver)

Zebra mussel larvae spreading fast in Colorado River and nearby lakes on Western Slope

The Colorado River is now officially “positive” for invasive zebra mussels in the latest failure of containment for the voracious species, after three new samples came up with larvae July 3, from between Glenwood Springs and Silt. The main stem Colorado River discoveries piled on top of a confirmed “large number” of adult zebra mussels in a private body of water in western Eagle County, and two more positive larvae tests, at Highline Lake and Mack Mesa Lake, both near the Utah border, Colorado Parks and Wildlife officials said Wednesday. Sampling was redoubled throughout June after tests found a single zebra mussel larvae, or veliger, in the Colorado River from a June 9 collection. It’s the second year in a row veligers are being discovered in the West’s key river channel through Colorado, and now CPW officials are also dealing with a full-blown adult zebra mussel invasion in the privately owned Eagle County water. 

Related articles:

Aquafornia news Los Angeles Times

Warnings ignored: The grim connection between the L.A. wildfires and Texas floods

Two major climate disasters of 2025 — the Texas flooding that killed more than 100 people and the L.A. wildfires in January that resulted in 30 deaths and wiped out more than 15,000 homes and businesses — highlight the struggles officials face in fully preparing for extreme weather conditions. In both cases, the National Weather Service offered clear warnings of potentially life-threatening weather events; in Los Angeles, warnings were given days before extraordinary winds — of up to 100 mph — slammed a region already suffering from a record-dry fall. … Since then, there have been calls for sweeping reforms of how Los Angeles County prepares for disasters, and investigations into what went wrong. … With climate change bringing more extreme deadly weather, local emergency management officials around the nation are trying to keep up.

Other flood risk and emergency management news around the West: