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How California Water Can Navigate a Changing Federal Partnership

Feelings were running high—and interest was evident—as hundreds of people turned out for our fall conference last week in Sacramento. The lunchtime program featured a panel of five experts representing water interests from across the state.

The day opened with a short video celebrating the PPIC Water Policy Center’s first 10 years, followed by a welcome by center director Letitia Grenier, who thanked the audience for braving the rain to attend. “An atmospheric river decided to come to our water conference this year, which is very on-brand,” she said with a smile.

San Diego Has 3 Times Its Seasonal Rainfall, and More Is on the Way

The storm that darted through the region Monday night and early Tuesday pushed San Diego’s seasonal rainfall roughly three times above average, and another storm will arrive Thursday, the National Weather Service said.

San Diego International Airport has recorded 2.93 inches of precipitation since the rainy season began on Oct. 1. The average for that period is 0.88 inches.

U.S. Data Centers Could Consume as Much Water as 10 Million Americans by Decade’s End

When Cornell University systems engineer Fengqi You started modeling the environmental footprint of data centers three years ago, the A.I. boom was just beginning. Even then, You and his colleagues noticed something missing from the conversation.

“When we started this, we saw that A.I. was growing very fast,” You said. “It was clear it would have to be aligned with power-grid planning, with water and other resource planning. There were no discussions about these topics — but we wanted to bring real numbers, rigorous analysis on A.I.’s physical footprints.”

November Deluge Breaks Rainfall Records. New Storm Will Bring Snow to Southern California

Since Oct. 1, downtown L.A. has gotten 4.14 inches of rain, quite a bit more than the average 0.89 inches. For November, the average over the last 30 years is just 0.78 inches, but we’ve had 2.82 inches so far. This is currently the 19th wettest November since 1877, and given that there’s more rain to come, this could become one of the top 10 starts to a rainy season.

Another storm going to drop between a half-inch and 1 inch of rain across much of the area, and as much as 2 inches in the mountains. Several inches of snow could fall above 5,000 feet. Downed trees and minor debris flows are possible as strong winds and concentrated downpours pass through the area. We could see rain on Thursday and Friday as well, but the forecast is a bit uncertain. Next week things should dry out and warm up, with temperatures climbing into the 70s and 80s.

Third Storm System Moving in Thursday Bringing More Rain to San Diego County

Another storm system that will bring rain moves into San Diego County on Tuesday, and forecasters predict that there will be a slight lull late Wednesday, but that will be followed by another weaker storm at the end of the week.

“A weak storm system will move through the area later today into early Wednesday,” said the National Weather Service. “This will bring light to moderate rainshowers and accumulating snowfall in the mountains. There will be a brief lull in the action on Wednesday, with sunnier but continued cooler weather.”

A California City’s Groundbreaking Path to Water Self-Sufficiency

On Main Street in Santa Monica, Calif., a parking lot sits between the courthouse and a boarded-up convention center. Visitors looking for a parking spot or charging their electric vehicles would never guess that a world-class water management system churning out millions of gallons of purified water sits underneath it.

The city’s Sustainable Water Infrastructure Project (SWIP) is a state-of-the-art water recycling system that has helped bring Santa Monica 85 percent of the way to complete water self-sufficiency. Groundwater from the Santa Monica Basin is the major source of supply for the city, augmented by purchases from the Metropolitan Water District of Southern California. In 2011, the city was importing almost half its water, generating fears about what officials would do in case of an emergency.

WaterSmart Makeover: Nature’s Gallery in Santee

When Karen Fleck and her family moved into a larger home in 1990 from the one they lived in down the street in Santee, the idea was that it would be temporary — a stopgap before buying a home in the proposed Fanita Ranch development. The house had the benefit of having a swimming pool for her two young sons.

The embattled development, however, has yet to be built, and over the years, her boys grew up and her husband passed away. Nine years ago, Fleck met and married Tom Clarke. The two live in the home now with their cat Frankie. Both are now retired: Fleck from the position of vice present of marketing and business development for a credit union, and Clarke, a longtime chef at UCSD before becoming a senior project manager for purchasing for the university’s department of housing and dining.

Rainy Week Ahead for San Diego County as Two Storms Approach Socal

After a respite from downpours, San Diego County is expected to see another round of rain to start the week Monday, followed by another storm later this week.

The second in a series of storms is expected to be weaker than the one that brought more than two inches of rain in some areas over the weekend.

Recent Rain Boosts Early Totals for 2025-26 Water Year in Northern California

A late fall storm that soaked the North State and brought high wind gust is padding rain totals for what has been a wet start to Northern California’s water year.

As of Wednesday, Nov. 12, the Redding Regional Airport had received 4.24 inches of rain since Oct. 1, which was the start of 2025-26 water year, according to the National Weather Service.

OPINION: As Trump Sends California Water to Farmers, Native Salmon Face Extinction

California’s wild salmon have faced just about every obstacle imaginable over the decades as they now cling to survival. Dams have blocked where they are supposed to spawn. Levees deny young fish the floodplain for feasting. Pumps send them in deadly wrong directions.

But all the previous man-made threats to the salmon have nothing on President Donald Trump.