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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 San Diego Union-Tribune

County to explore plan to monitor, mitigate Tijuana River sewage pollution

San Diego County leaders are committing the county to stepping up efforts to help residents bearing the brunt of the decades-long Tijuana River sewage crisis. On Tuesday, the Board of Supervisors voted 3-1 to explore what it would take to administer a plan that calls for further monitoring and mitigation of cross-border pollution from Mexico and implementing health protections. The plan, proposed by Imperial Beach Mayor Paloma Aguirre and brought before the board by Supervisor Terra Lawson-Remer, consists of five key elements: study the health impacts of chronic exposure to the toxic sewer gas hydrogen sulfide; assess the full scope of crisis-linked economic losses; eliminate a hot spot along the Tijuana River to lessen aerosolization of the gas; and create a county sewage crisis chief position. It also suggests giving schools and child care centers air filtration that’s engineered to remove hydrogen sulfide from the air if the county can show that the infrastructure will effectively eliminate odors.

Related articles:

Aquafornia news The Sacramento Bee

California budget deal finalizes $12B deficit fix

… In his May Revision, Newsom endorsed a proposal to fast track housing production and urged lawmakers to do the same for the controversial Delta Conveyance Project. Specifics weren’t available Tuesday, but main components of two bills to streamline the California Environmental Quality Act to speed housing projects would be included in future trailer bills, according to the Senate analysis. Lawmakers declined to take action to cut red tape on the Delta Conveyance Project, a long-discussed plan to divert water from the Sacramento-San Joaquin Delta down to Southern California. The governor had said the project was necessary for climate adaptation, and should bypass unneeded delays. There were no details about why lawmakers rejected the governor’s suggestion, although several legislators recently voted to audit the project, a proposal that was ultimately shot down.

Aquafornia news California Farm Water Coalition

News release: California Farm Water Coalition announces planned departure of executive director

The California Farm Water Coalition announced today that its executive director, Mike Wade, will be stepping down in February. Wade has served as the organization’s head since 1998. During his time at the Coalition, Wade expanded the organization’s public education and outreach programs to where they now reach tens of millions of consumers a year with positive messaging about the importance of adequate and dependable water supplies for California farmers. … During his time at the Coalition, Wade also led the Agricultural Water Management Council, advancing efficient water management practices across California’s agricultural sector. At the Coalition, Wade helped organize initiatives like the Cultivate California Program, which brought together dozens of agricultural organizations and water agencies to successfully engage the public through direct-to-consumer educational media. 

Aquafornia news SFGate

California’s oldest lake is in crisis

Clear Lake is the heart of Lake County, a popular spot for bass fishing and water sports about 2.5 hours north of San Francisco. It is also, according to a recent letter sent to the California Legislature, “choking on past pollution and toxic blooms” and “exceedingly malodorous.” That description comes courtesy of a coalition of stakeholders in Lake County who are requesting upward of $15 million in state funds to rehabilitate Clear Lake. In the warmer months, the lake turns dangerous when toxic algal blooms and cyanobacteria surge. Tests have found cyanotoxins in 56% of homes that draw water from the lake, posing health risks ranging from rashes to liver damage. … In a joint letter to California legislators dated June 17, members of the Blue Ribbon Committee — including tribal leaders, a Farm Bureau representative and a Lake County supervisor — sent a blunt message about the ancient lake.

Aquafornia news Grist

What will the rise of floating solar panels mean for wildlife?

… Known as floating photovoltaics, or floatovoltaics, the devices bob on simple floats, generating power while providing shade that reduces evaporation. … As floatovoltaic systems rapidly proliferate — the market is expected to grow an average of 23 percent each year between 2025 and 2030 — scientists are investigating how the technology might influence ecosystems. The shading, for instance, might stunt the growth of algae that some species eat — but at the same time, it might also prevent the growth of toxic algae. The floats might prevent waterbirds from landing — but also might provide habitat for them to hide from predators. By better understanding these dynamics, scientists say that if companies are willing, they can work with manufacturers to customize floatovoltaics to produce as much electricity as possible while also benefiting wildlife as much as possible.

Aquafornia news Arizona State University

News release: Water insecurity on the rise in American households

The typical American household consumes approximately 300 gallons of water daily. However, a segment of the population still experiences water insecurity, a troubling trend that is increasing and not limited to the southwestern United States. A group of Arizona State University academics have documented this emerging development in a new paper titled “When the Household is the Utility: Ensuring Equitable Water Service for Rural U.S. Communities Served by Decentralized Water Systems.” Co-authored by Lee E. Voth-Gaeddert, a research professor with the Biodesign Institute, and Claire Cropper, a PhD student and researcher in ASU’s Ira A. Fulton Schools of Engineering, the paper reveals that economically disadvantaged populations and rural households that aren’t connected to piped water are much more likely to experience water insecurity. In terms of numbers, that’s roughly 12% of the U.S. population or about 40 million people, Voth-Gaeddert and Cropper estimate.

Aquafornia news The Sacramento Bee

Lake Tahoe storm explained: What caused the deadly conditions?

A sudden storm over Lake Tahoe Saturday afternoon churned up towering waves and fierce winds that capsized a boat, killing eight people and injuring more. What happened in less than an hour is now being called one of the deadliest weather-related boating accidents in recent Tahoe history — and a powerful reminder of how quickly and violently mountain weather can change. This tragic event raises urgent questions: What caused such extreme weather? Could anyone have predicted it? And is it something that could happen again? … While detailed regional modeling of Lake Tahoe’s summer thunderstorms is limited, major climate assessments point to broader trends that could impact storm behavior in the Sierra Nevada. … Findings suggest a shift toward stronger, more abrupt convective storms. That has implications for Lake Tahoe, where an afternoon downdraft hitting warm lake air could generate sudden wind spikes and dangerous waves similar to those seen on June 21.

Aquafornia news Chico Enterprise-Record (Calif.)

Supervisors consider options for Five-Mile basin project

Winter storms, combined with debris from the Park Fire, pushed the Five-Mile basin in northeast Chico to its limits for flood control. Butte County Public Works Director Josh Pack received a nod from the Board of Supervisors during Tuesday’s meeting to look into a job order contract to mitigate flood risk, ideally before winter. Pack said the Five-Mile Sediment Removal Project would consist of two phases with the first made up of any work that can be completed this year and the second being the long-term work next year and beyond. Pack said the goal of the first phase is to begin work by Aug. 15, creating a strict timeline to get the project rolling. … To help aid in the project, Pack said U.S. Rep. Doug LaMalfa (R-Richvale) helped secure $5.6 million in earmarked funding while state Assemblyman James Gallagher (R-Yuba City) introduced a bill that could expedite the work by exempting the project from the California Environmental Quality Act and its required studies.

Aquafornia news Action News Now (Chico, Calif.)

U.S. Bureau of Reclamation celebrates 80 years of Shasta Dam and Shasta Powerplant

The United States Bureau of Reclamation celebrated the 80th anniversary of the Shasta Dam and Powerplant’s completion, a key element of California’s Central Valley Project. Acting Regional Director Adam Nickels honored the 4,700 workers and their families who contributed to this engineering milestone from 1938 to 1945. … On June 20, 1945, the Bureau of Reclamation officially took control of both the dam and power plant from Pacific Constructors, Incorporated. Towering at 602 feet tall, Shasta Dam is the second-largest concrete dam in the U.S., stretching 3,460 feet across the Sacramento River. It required 6.5 million cubic yards of concrete, enough to circle the Earth’s equator with a 3-foot-wide sidewalk. … Shasta Reservoir, formed by the dam, is California’s largest water storage facility, holding over 4.5 million acre-feet of water.

Related article:

Aquafornia news Los Angeles Times

Tuesday Top of the Scroll: California achieved significant groundwater recharge last year

A year of average precipitation gave California’s groundwater supplies a significant boost, according to a state analysis released Tuesday. California’s aquifers gained an estimated 2.2 million acre-feet of groundwater in the 12 months that ended Sept. 30, the state’s 2024 water year. That’s about half the storage capacity of Shasta Lake, California’s largest reservoir. State officials said local agencies reported that about 1.9 million acre-feet of water went underground as a result of managed aquifer recharge projects designed to capture stormwater and replenish groundwater. … Gov. Gavin Newsom said California is collecting more groundwater data than it has previously, and is continuing to prioritize efforts to recharge aquifers. He said, however, that the state’s water infrastructure is unprepared for the effects of climate change, and he reiterated his support for building a water tunnel beneath the Sacramento-San Joaquin River Delta.

Other groundwater news:

Aquafornia news KUNC (Greeley, Colo.)

‘A glimmer of hope’ emerges from long-stuck Colorado River negotiations

There’s a break in the clouds that have hovered over Colorado River negotiations for more than a year. State water leaders appear to be coalescing behind a new proposal for sharing the river after talks were stuck in a deadlock for more than a year. The river is used by nearly 40 million people across seven states and Mexico, but it’s shrinking due to climate change. As a result, state leaders need to rein in demand. For months, they were mired in a standoff about how to interpret a century-old legal agreement. The new proposal is completely different. Instead of those states leaning on old rules that don’t account for climate change, they’re proposing a new system that divides the river based on how much water is in it today. … The new plan says the amount should be based on a three-year rolling average of the “natural flows” in the river — basically, how much water would flow through it if human dams and diversion weren’t in the way.

Other Colorado River Basin news:

Aquafornia news SFGate

Dried-up California farmland to become site of world-record solar facility

… On June 11, the California Energy Commission officially approved the Darden Clean Energy Project, a sprawling solar farm and battery storage facility proposed for a stretch of fallow farmland in western Fresno County. Darden is the first project approved under a new fast-track permitting program, which gave the commission just 270 days to finish its environmental review. …The land for the project, near Cantua Creek, was once a productive site for agriculture. But droughts and decades of farming have left the 9,500-acre area with dry and alkaline soil. The Westlands Water District currently owns the land and is shutting down irrigation on it and other swaths of former farmland, aiming to conserve water for areas with better dirt.

Other water and agriculture news:

Aquafornia news Los Angeles Times

Trump rescinds ‘Roadless Rule’ that protects 58 million acres of national forests

The United States Department of Agriculture on Monday announced that it will rescind a decades-old rule that protects 58.5 million acres of national forestland from road construction and timber harvesting. The USDA, which oversees the U.S. Forest Service, said it will eliminate the 2001 “Roadless Rule” which established lasting protection for specific wilderness areas within the nation’s national forests. Research has found that building roads can fragment habitats, disrupt ecosystems, and increase erosion and sediment pollution in drinking water, among other potentially harmful outcomes. In a statement, USDA Secretary Brooke Rollins described the rule — which applies to about 30% of national forestland — as outdated and overly restrictive. … More than 40 states are home to areas protected by the rule. In California, that encompasses about 4.4 million acres across 21 national forests, including the Angeles, Tahoe, Inyo, Shasta-Trinity and Los Padres national forests.

Other public lands and waters news:

Aquafornia news The Sacramento Bee

Caltrans to spend $500M on road that could soon be underwater

Caltrans has proposed a $500 million project to widen a wine country highway that the agency said could be underwater in 25 years. Members of the California Transportation Commission will decide at a public meeting beginning Thursday whether to award Caltrans and local agencies a $73 million grant that would cover some of the cost to widen Highway 37 — a roadway linking Vallejo to Sears Point across the Napa Sonoma Marsh, much of which is only one lane in each direction. In the long term, Caltrans has a plan to replace the current road with an elevated causeway that would move vehicles above the wetlands below. That project would cost more than $10 billion and is not funded. To deal with Highway 37’s bottleneck in the meantime, the agency has proposed a $500 million “interim project” to widen the existing roadway. The state agency estimated that construction on the first half — a $250 million eastbound lane — would finish in 2029. The plan, Caltrans said, “does not address sea level rise.”

Aquafornia news KJZZ (Phoenix, Ariz.)

The EPA set formal limits on PFAS in drinking water last spring. How has that affected Arizona?

It’s been a little over a year since the Environmental Protection Agency rolled out the first legally-enforceable limits on some PFAS chemicals in drinking water. The regulation came after years of research tying the human-made chemicals to a range of health issues. … Under the EPA’s first formal limits last year, drinking water can have no more than four parts per trillion of the PFAS listed. … Tucson is already in compliance. But (Tucson Water Director John) Kmiec estimates the city has spent some $70 million of its own money to get there. Additional federal funding came down for communities nationwide last year — including a roughly $33 million for Tucson. That’ll be used to build a new treatment plant Kmiec says will bring a handful of wells back online and some 3.3 million gallons of drinking water back into the system. … But some things are changing now, under the Trump administration. A directive released by the EPA in May drops four out of the six compounds listed in 2024. Only PFOA and PFOS will remain regulated for now.

Related article:

Aquafornia news KCRA (Sacramento, Calif.)

National Weather Service explains why Saturday’s deadly Tahoe storm was hard to predict

Seven people died and another person is missing after a boat overturned near D.L. Bliss State Park at Lake Tahoe on Saturday afternoon amid strong winds and rainy conditions. Elsewhere in South Lake Tahoe, a number of boats crashed into each other and came ashore near Camp Richardson. … The National Weather Service in Reno noted in an early Saturday morning update that occasional showers and thunderstorms were expected through the afternoon around the Tahoe Basin and north of Highway 50, but pegged those chances at 10-20%. Another update at 1:12 p.m. also noted the chance for afternoon showers and thunderstorms. NOAA/National Weather Service Meteorologist in Charge Chris Smallcomb said the weather event that occurred on the lake that afternoon was “sudden, localized and of limited predictability.” It briefly produced wind gusts of 45 mph, he said. … Below is how Smallcomb responded to KCRA’s questions about Saturday’s event.

Other Lake Tahoe news:

Aquafornia news Orange County Register (Irvine, Calif.)

OC River Walk in Anaheim estimated to cost $200 million if built today

Anaheim’s ambitious push to turn the often-dry Santa Ana River into a river walk with ample water and activities for the public is estimated to cost $200 million, according to a city budget overview. OC River Walk would add inflatable rubber dams to the Santa Ana River near Angel Stadium to create a riverbed with standing water. Along the Santa Ana River, the city would construct new park space with trails and terrace steps for what’s envisioned as a destination for the region. City spokesperson Mike Lyster said the $200 million figure is an estimate of what it would cost to build today, but there are no plans to begin construction anytime soon. The big costs are building the dam system, embankments and a pedestrian bridge. Currently, city officials are studying the project with grant support from other levels of government and a nonprofit. Where new trails and bridges might go is all to be determined. The city anticipates studies on planning and design will take through at least 2030 and has the funding identified for that.

Other riverside development news:

Aquafornia news California Department of Fish and Wildlife

News release: Ocean salmon fishery achieves summer catch limit; will reopen in September

California’s June 7-8 Ocean salmon season offered some of the best fishing many longtime anglers can remember. Fast action, quick limits and bustling harbors characterized the weekend along much of the coast with a hot salmon bite reported as far south as San Luis Obispo County. Excellent ocean conditions from Crescent City all the way down to Avila Beach allowed anglers to get out both days and try to catch the iconic sport fish in ocean waters for the first time since 2022. … The California Department of Fish and Wildlife (CDFW) estimates 9,165 Chinook salmon were taken statewide by 10,505 anglers aboard both charter vessels and private skiffs, achieving the summer fishery harvest guideline of 7,000 Chinook. On recommendation from CDFW and industry, the National Marine Fisheries Service took in-season action today to close the remaining summer dates of July 5-6, July 31-August 3, and August 25-31.

Aquafornia news Utah Public Radio (Logan)

Here’s how drought affects fish — and what anglers can do about it

Drought doesn’t just affect Utah’s lakes, rivers, and streams — it also affects the fish who live in them, requiring more thought and care from anglers this summer. While fish can’t drown in quite the way people can, it is possible for them to suffocate in the water when there isn’t enough dissolved oxygen. And unfortunately for Utah’s fish, drought means not only less water, but less dissolved oxygen in the water. … That doesn’t mean, though, that you can’t or shouldn’t fish during a drought — in fact, at Crouse Reservoir, anglers are currently allowed to harvest more fish than usual, since extremely low water levels have led to fears fish won’t survive. … That means following some best management practices when practicing catch and release to make sure the fish can recover, including going earlier in the day, pinching down the barbs on hooks, and minimizing the time you’re fighting the fish or have them out of the water.

Other drought impact news:

Aquafornia news BBC (London, U.K.)

‘It was a near-death experience’: How a California town blocked dangerous mudflows

… Efforts in Montecito have become an emblem of how communities can come together after storms to rebuild a resilient town ahead of future climate-driven disasters. … Montecito officials and residents took a multifaceted response to rebuilding after the 2018 debris flow, including a realisation that new safety initiatives had to be adopted. … The Flood Control District started regularly walking debris basins that had been built in the 1960s after the previous damaging mudslides, and using drones to spot any debris needed for removal by bulldozers and trucks. Sediment would have normally washed to the sea on its own but now gets stuck in the basins. The county implemented a routine of removing some of the larger sediment flows to nearby beaches as part of an “emergency beach nourishment” programme, to help keep the basins clear. They are also in touch with other communities that might need sediment for uses such as a coastal dune restoration site. While it was at first met with criticism … because it de-beautified some of the community’s beaches, the removal allowed the basins to stay open for future storms.

Other flood mitigation news: