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California Legislature’s Final Weeks Could Decide Fate of Delta Water Tunnel

Tanned, rested and presumably ready after a summer vacation break, state legislators will return to the Capitol next week for the final month of their 2025 session.

The session’s final weeks will be dominated by bills aimed at registering blue California’s dislike of and opposition to President Donald Trump. The most prominent will be Gov. Gavin Newsom’s plan to redraw boundaries of California’s 52 congressional districts, giving Democrats five more seats to counter efforts in Texas to create five more Republican seats.

‘Beyond Awful’ Colorado River Forecasts Put Water Talks Under Pressure

After one of the Colorado River’s driest years in decades, Lake Mead and Lake Powell — the largest reservoirs in the country — could see alarming declines in the coming years, the U.S. Bureau of Reclamation announced today.

Federal officials again called for Arizona and Nevada to cut back their supplies from the overtapped river — though California, with its senior claims to the river’s water, will be spared.

OPINION: A California Bill Takes a Novel Approach to Address Clean Drinking Water

A new California bill would help ensure that our drinking water is safe. The legislation is important — and unusual in its approach.

Senate Bill 466, authored by Sen. Anna Caballero, D-Merced, would shield water agencies from civil suits. The temporary legal immunity would protect them from lawsuits over chromium-6 contamination as they work to remove the cancer-causing chemical from drinking water supplies.

 

OPINION: Pipes, Pumps and People: The Human Challenge Behind North America’s Water Future

In North America we are looking into a future of uncertainty regarding long term safety of our water supply. A lot of factors contribute to this development, but one is more apparent now than ever.

Our water infrastructure — pipes beneath our feet, ageing treatment plants and critical flood protections — is easy to take for granted. But there is a problem brewing and it is not regarding the water infrastructure alone. The true crisis is emerging not in concrete and steel, but in the ranks of skilled engineers and technicians needed to build and keep these systems working. North America is entering a workforce crisis. Which begs the question – who will maintain our water infrastructure in 2035 and beyond?

OPINION: California’s Water System Must Be Prepared for Climate Change

California’s water system, constructed in partnership with the federal government, was built on a predictable weather cycle every calendar year. Throughout the winter, snow piles in the Sierra before it melts in late spring and flows throughout the state just when farms need it most. For decades, this cycle, paired with our world-class water infrastructure, allowed for reliable water deliveries, captured excess flows in reservoirs and efficiently moved supply to refill our groundwater tables. But that rhythm is slowly changing. State climate indicators show the Sacramento River’s peak runoff now arrives nearly a month earlier — in March instead of April — compared with the mid-20th-century record. Looking ahead, the Department of Water Resources projects the Sierra’s April 1st snowpack will shrink by roughly half to two-thirds before the end of the century.

 

Is Southern California Prepared to Avoid a ‘Day Zero’ Water Crisis?

Over the last century, Southern California has grown and thrived by accessing water from faraway sources including the Colorado River, the Eastern Sierra’s streams and the Sacramento-San Joaquin River Delta. Massive aqueducts transport water through deserts, farmlands and mountains to sustain 19 million people across six counties.

But these traditional sources of water are projected to become less reliable as global warming shrinks the West’s mountain snowpack and unleashes more intense droughts.

Shocking Report Reveals Major Issue With Safety of Us Drinking Water: ‘The Risk of Disease Was Unacceptably High’

The Waterkeeper Alliance has completed a study on the prevalence of per- and polyfluoroalkyl substances, or PFAS, in surface waters throughout the U.S. The “forever chemicals” — so called for their persistence in environments and bodies — have been linked to a wide range of health issues, from cancer to reproductive health concerns.

PFAS are widely found in common household items, such as non-stick cookware, water-repellant clothing, stain-resistant furniture, and some brands of dental floss.

The Start of California’s Fire Season Has Moved up 6 Weeks Since 1990 Thanks to Climate Change

You are not imagining it. Fire season in California is indeed starting earlier and lasting longer in virtually every region of California than it did two decades ago, researchers have found, thanks largely to human-caused climate change.

In the Sierra Nevada, fire season starts about 24 days earlier than it did in the early 1990s. In the Northern Basin and Range region, which runs along the northernmost border with Nevada, it’s 31 days earlier.

Could California Be in Store for a Drought? What You Need to Know

While San Diego may be known for its sparkling beaches, some areas of the county are also susceptible to extreme heat and wildfires, which can pose a continued risk of drought throughout California.

With elevated heat advisories coming into effect in several regions of the county this week, including El Cajon, Escondido and Campo, the risk of drought in these areas also rises.

SoCal Heat Wave Peaks Thursday, but Sweltering Temperatures Will Last for Days

The worst of Southern California’s ongoing heat wave is expected to land Thursday, but relief is not yet in sight. Temperatures will remain toasty over the weekend, and another hot spell is forecast next week.

Temperatures will hit the triple digits in the San Fernando and Antelope valleys on Thursday, while interior regions of Los Angeles County will see temperatures in the 90s, according to the National Weather Service. Lancaster even has a shot at matching its previous daily temperature record of 107 degrees, according to National Weather Service meteorologist Devin Black.