News

DWR today conducted the critical April snow survey at Phillips Station and found no measurable snow, a stark indicator of how record hot March temperatures and high elevation rain have erased the Sierra Nevada snowpack months ahead of schedule.

The Department of Water Resources (DWR) has released the final version of California’s Groundwater: Bulletin 118 – Update 2025, the State’s official and most comprehensive report of groundwater monitoring, conditions, and management across California.

With one month of the season left, critical Northern California watersheds are well below average. DWR today conducted the third snow survey of the season at Phillips Station. The manual survey recorded 28 inches of snow depth and a snow water equivalent of 11 inches, which is 47 percent of average for this location.

For the first time in state history, California has a statewide water supply target: 9 million acre-feet by 2040.

DWR today conducted the second snow survey of the season at Phillips Station. The manual survey recorded 23 inches of snow depth and a snow water equivalent of 8 inches, which is 46 percent of average for this location. The snow water equivalent measures the amount of water contained in the snowpack and is a key component of DWR’s water supply fore ...

Today, DWR announced an increase to the State Water Project (SWP) allocation for 2026.

California’s continued partnership with locals will serve as the key to safeguarding groundwater-reliant communities and infrastructure from land sinking

Series of atmospheric rivers provided significant snowpack gains, boosted water supply statewide

California’s San Joaquin Basin is at the center of the state’s water challenges, with decades of groundwater overdraft and increasingly severe floods putting water supplies, communities, agriculture, and the environment at risk.

Today, the Department of Water Resources (DWR) announced an initial State Water Project (SWP) allocation of 10 percent of requested supplies for the new water year.