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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 Writer Matt Jenkins.

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Aquafornia news Los Angeles Times

Friday Top of the Scroll: Newsom rejects bill aimed at giving tribes greater say on water policy

Gov. Gavin Newsom vetoed legislation that would have given Native tribes a greater role in California water policy decisions, saying the state is already making this a priority. The bill would have directed state agencies to recognize historical inequities affecting tribes, and to consult with them on water projects, plans and policies. Newsom said in his veto message Wednesday that his administration has worked to address wrongs committed against tribes and has prioritized respectful “government-to-government dialogue.” He said, however, that California “must streamline its water policies to protect our water supply from the reality of climate change.” … Opponents of the bill included the Assn. of California Water Agencies, which argued it was vague, lacked clear standards, and could expose agencies to more legal disputes and delays. 

Other tribal water news:

Aquafornia news Los Angeles Times

‘Super’ El Niño could overwhelm aging L.A. sewage treatment plant

On the shores of Playa del Rey sits L.A.’s last line of defense against sewage streaming into the Santa Monica Bay — and a jacked El Niño this winter threatens to be more than a match for it. Built in 1950, the Hyperion Water Reclamation Plant handles roughly 95% of the city’s sewage on any given day — up to 800 million gallons of effluent from toilets, washing machines, sinks, industrial operations and more. Storms can overwhelm the aging facility, which suffered an equipment breakdown in 2021 that led to 17 million gallons of raw sewage gushing into the Santa Monica Bay. Los Angeles officials are bracing for more trouble if the forecast “super” El Niño brings heavy rains and flooding. … L.A.’s stormwater and wastewater systems are separate, but when it rains, water seeps into the ground and can sneak into the cracks of aging wastewater pipes.

Other El Niño news:

Aquafornia news FOX13 (Salt Lake City)

The states’ agreements for the Colorado River have expired, what happens next?

The multi-state agreements managing the Colorado River for decades now have officially expired. When the clock struck midnight on October 1, the agreements ended. In their absence, the Trump administration is now managing the water for more than 40 million people across the American West until the states can get a deal together. … Water will still flow to Utah and other states along the Colorado River (a portion from the Colorado River system is pumped into the Wasatch Front through the Central Utah Project for drinking water needs). But there will be noticeable changes. For example, FOX 13’s sister-station KTNV reported on Thursday that Nevada will begin taking reductions in how much water it gets from the river over the next two years.

Other Colorado River management news:

Aquafornia news The Denver Post (Colo.)

Denver Water’s lawn-watering ban starts today. Here’s what happens if you ignore it.

Denver Water customers are banned from watering their lawns starting Thursday, and the state’s largest utility is threatening steep fines for those who break the drought-induced rule. The prohibition outlaws lawn watering and the use of spray irrigation at the start of October for the rest of the warm season, though customers can still hand-water trees, shrubs, flowers and vegetables. Residential customers who break the rule once will face a $500 fine. The fine increases to $1,000 for each subsequent violation and, if the watering does not stop, Denver Water says it will shut off the customer’s water service. The utility — which serves 1.5 million people across metro Denver — has sent postcards to customers warning them about the ban and the potential fines. Those postcards served as warnings, according to a Denver Water press release.

Other Colorado drought news:

Aquafornia news San Francisco Chronicle

California’s Prop 45 may be the biggest reform to CEQA in decades. Critics say it goes too far

… Proposition 45, sponsored by the California Chamber of Commerce, would streamline the approval process for a wide range of development activities considered “essential.” … [P]rojects eligible for streamlining would be limited, though several categories of development would qualify: housing, water infrastructure, clean energy, health services, wildfire prevention, broadband internet, education facilities and transportation. … Opponents of the proposition say so many changes for so many projects is an invitation for sprawl and polluting development. They worry that fast-tracking the approval process would inevitably lead to less comprehensive reviews and public comment, resulting in projects that yield toxic emissions, increase wildfire risk and squeeze energy and water supplies. … Specifically listed as ineligible for faster review are the contentious water tunnel proposal in the Sacramento-San Joaquin River Delta and California’s high-speed rail project.

Other Prop. 45 news:

Aquafornia news California WaterBlog (UC Davis)

Blog: Happy new water year 2027! – following three years of unusually average California hydrology

October 1 marks the beginning of California’s new Water Year (WY). Water years here run from October 1 until September 30 of the next calendar year and are named for the calendar year of the bulk of the water year (January – October). October 1 is also the nominal beginning of California’s wet season. (No significant rain yet, by the way.) California’s hydrology has two basic seasons, wet and dry, with the wet season nominally from October 1 – April 1 (Figure 1). The first sizable storm sometimes arrives in late September and sometimes not until November (recently in 2021). Sizable storms rarely arrive after April. As we leave California’s long 2026 dry season and prepare, hopefully, for the wet season, it is good to reflect on the last water year and prepare for what is also California’s flood season. 

Other water year news:

Aquafornia news GV Wire (Fresno, Calif.)

Fresno River otter sighting signals healthier San Joaquin River ecosystem

A river otter has been spotted in the San Joaquin River where Fresno conservation officials say the animals have only recently begun appearing again. The San Joaquin River Parkway and Conservation Trust posted about the sighting on social media Wednesday, saying river otters are top predators in river ecosystems and can indicate a healthy environment. … Sharon Weaver, executive director of the San Joaquin River Parkway and Conservation Trust, told GV Wire that otters have not been present in the area in the recent past but have started appearing near Sycamore Island. … She pointed to habitat improvements along the San Joaquin River, including efforts to improve conditions for salmon and strengthen the broader ecosystem.

Aquafornia news KVOA (Tucson, Calif.)

Tucson Country Club leases groundwater to Sahuarita mine project

A local country club is facing criticism after signing an agreement to lease groundwater to a mining company. According to state Department of Water Resources records, the Tucson Country Club signed a short-term lease to provide Copper World with up to 75 acre-feet of groundwater per year. The mining company plans to pump the water from its well fields east of the Sahuarita town limits, near a state-designated subsidence feature. The lease is set to expire on Friday, Dec. 31, 2027, while Copper World’s 20-year, 6,000 acre-feet groundwater withdrawal permit from the state expires the following month in January 2028. Environmental advocacy group Save the Scenic Santa Ritas strongly opposed the deal, warning it will further deplete a stressed aquifer.

Other groundwater news:

Aquafornia news Legis1

Federal agencies lag on networked device cybersecurity requirements

Only seven of the 22 civilian Chief Financial Officer (CFO) Act agencies reviewed had fully addressed all three of the Office of Management and Budget’s networked device requirements, which cover establishing and maintaining device inventories and processing cybersecurity waivers, according to a new audit published Sept. 30 by the Government Accountability Office (GAO). The report says the gaps may leave agencies at risk of cyberattacks that could compromise sensitive data and systems. … Networked technologies face increasing cyber threats worldwide, and in July, cyber threat actors disrupted operations in the water sector by changing passwords to disconnect networked programmable logic controllers, a type of OT device. 

Other water cybersecurity news:

Aquafornia news Bay City News (Berkeley, Calif.)

Sunset Boulevard recycled water irrigation project advances with $1M in state funding

San Francisco officials gathered Wednesday along Sunset Boulevard’s greenbelt, a 2-mile strip of plants and trees along the road, to celebrate an integral financing step in a project to deliver recycled water as the landscape’s irrigation source instead of potable water. Sunset Boulevard is a main thoroughfare running through the Sunset District connecting from Golden Gate Park to Lake Merced. The 60-acre greenbelt along both sides of the road is covered in trees and native plants that create habitats for critters and provide shade for residents. But it uses drinking water for irrigation, water that could be under threat amid droughts. Connecting the green space’s irrigation to a recycled water transmission pipe could save about 40 million gallons in drinking water per year.

Other water recycling news:

Aquafornia news Los Angeles Times

Thursday Top of the Scroll: A river dried up in Northern California, prompting worries for salmon

The Scott River, which flows out of mountain forests into a broad valley near the California-Oregon border, provides vital habitat for salmon that swim upstream from the ocean to spawn in the fall and winter. But this year, portions of the river have been transformed into stretches of dry sand and gravel, while farmers have kept hayfields green by running their wells and pumps. Environmental advocates are accusing regulators at the State Water Resources Control Board of failing to do enough to prevent the river from running dry. … [C]ritics say the state should have ordered farmers to cut groundwater pumping more drastically this year to save water in the river. Farmers disagree, saying drought and other factors are primarily to blame.

Other salmon news:

Aquafornia news KJZZ (Phoenix)

New Colorado River rules start today, but questions linger about Arizona water cutbacks

New rules for the Colorado River officially go into effect on Thursday, but they won’t bring changes to Arizona’s water quite yet. … Federal rules for the Colorado River and its major reservoirs typically run on a different calendar than the rest of the world. … So, starting Thursday, a controversial federal plan will start changing the amount of water sent from Lake Powell downstream to Lake Mead. However, the amount of water delivered from Lake Mead to people farther downstream — like cities in the Phoenix area and huge farm districts in California — is managed in line with the normal calendar, from Jan. 1 to Jan. 1. So even though the amount of water flowing into Lake Mead will be different this week, the amount of water flowing out of it won’t change until the beginning of 2027.

Other Colorado River management news:

Aquafornia news SJV Water (Bakersfield, Calif.)

Kern River hearing moved to San Francisco, state AG to weigh in

The California Supreme Court hearing on Kern River flows has been changed from Redding to the justices’ home court in San Francisco, according to the court’s website. The hearing will still be held Oct. 7 at 9 a.m. The California Attorney General’s office and Department of Fish and Wildlife also accepted an offer from the Supreme Court to make their own arguments in support of the plaintiffs, Bring Back the Kern and Water Audit California. This case has generated significant interest as it hinges on a key statute used in numerous conservation cases, California Fish and Game Code 5937.

Other water rights news:

Aquafornia news The Equation (Union of Concerned Scientists)

Blog: Strongest El Niño on record triggers California state of emergency and is already affecting global weather patterns

Well, it’s official: we’re already observing the strongest El Niño on record. … This Super El Niño will no doubt significantly impact the Southwestern US this winter, with effects from record-high sea levels and coastal erosion to the potential for excessive rainfall and consequent flash flooding throughout the southern half of the country. And remember, what happens in the ocean doesn’t stay in the ocean: we’re seeing this El Niño impact weather patterns around the world, modifying where precipitation—and lack thereof—occurs, as I’ll discuss below.

Other El Niño news:

Aquafornia news The Modesto Bee (Calif.)

Why are data centers controversial? Valley experts explain water, power and jobs

Data centers can look like little more than large, windowless warehouses. But the questions they create for a city can extend far beyond where to put the building, or if beauty is indeed in the eye of the beholder. … For Alison McNally, who teaches geography and environmental resources at Stanislaus State, one question immediately rises to the top in the San Joaquin Valley: “Where would the water come from?” The region already has competing demands from agriculture, homes, businesses and environmental needs, while groundwater users are adjusting to California’s Sustainable Groundwater Management Act. McNally said the impact of any particular data center would depend heavily on its size, location and water source.

Other data center water use and regulation news:

Aquafornia news Cronkite News

Heaven sent: Dry wells in rural Arizona force residents to rely on water haulers

… Adam Brice moves from one metal trough to the next with a green hose, filling them with a commodity that’s going dry in rural Chino Valley. He is a water hauler. The practice is not unusual in this town 16 miles north of Prescott. Growth in the region has caused lower water levels due to groundwater pumping and inefficient recharge. … Local governments hope to mitigate the overdraft through regional cooperation and stormwater retention. But rural residents can’t wait. They have found some relief in hiring water haulers and setting up their own homemade storage methods.

Other drought response and adaptation news:

Aquafornia news San Diego Foundation

News release: Nearly $1 million in binational grants will address Tijuana River sewage crisis and help restore coastal habitats

San Diego Foundation (SDF) today announced $983,439 in Binational Resilience Initiative (BRI) grants for 10 projects bringing together 21 nonprofit organizations in the United States and Mexico. Several projects directly address the Tijuana River sewage crisis by reducing pollution and flooding, improving wastewater treatment and making water quality information easier for communities to understand, while others will restore coastal habitats and support research and education across the broader Cali-Baja region. The Tijuana River sewage crisis affects water quality, public health and communities on both sides of the U.S.-Mexico border. 

Other Tijuana River news:

Aquafornia news The Mendocino Voice (Calif.)

Fort Bragg vice mayor Marcia Rafanan tastes water from desalination buoy with no pipeline to shore

Fort Bragg Vice Mayor Marcia Rafanan told the City Council on Monday night that she went out to the city’s wave-powered desalination buoy, which makes fresh water from ocean water, to taste it. … The city’s 12-month pilot with Oneka Technologies, a company based in Sherbrooke, Quebec, was designed with pipelines carrying fresh water from the buoy to the city’s wastewater treatment plant, according to the Coastal Commission, which approved the project with conditions in December 2025. The pipeline part of the project has since been dropped. In an April memo to the Coastal Commission, which the commission provided Wednesday, Oneka said the cost of installing, surveying and removing the pipeline was “disproportionate to the benefits” for a short pilot project. 

Aquafornia news FOX13 (Salt Lake City)

A Great Salt Lake wetlands sale faces pushback

A proposed sale of hundreds of acres of wetlands near the Great Salt Lake that have been largely untouched by humans for decades is now facing some pushback from bird enthusiasts who would like to see it stay that way. The 950 acres of land, owned by Salt Lake City International Airport, is slated to be purchased by Utah’s Department of Natural Resources. Inside the parcel is a mitigation area that was set aside in the 1990s when the airport built a runway. Since then, the airport has done some minimal work to battle the invasive plant phragmites and keep birds from encroaching upon the airport and, after being approached by the state, considered a sale. … The plan is to fold the land into a larger waterfowl management area.

Aquafornia news The Mendocino Voice (Calif.)

Opinion: We have a once-in-a-generation chance to own our water future

For more than a century, water from the Eel River has flowed through PG&E’s Potter Valley Project into the Russian River watershed, filling Lake Mendocino, supporting farms in Potter Valley, and supplying homes and businesses across Mendocino, Sonoma, and Marin counties. PG&E has decided it no longer wants to operate the Potter Valley Project and has filed a plan to decommission it, including removing Scott Dam and Cape Horn Dam. That wasn’t a decision made by Mendocino County or our local water districts, but our responsibility now is to make sure water continues flowing to our communities and that the infrastructure controlling it stays in local hands, not in the hands of an outside investor.
– Written by Mo Mulheren, the Second District Supervisor for the County of Mendocino and the county’s alternate commissioner on the Mendocino County Inland Water and Power Commission.