State of CaliforniaThe annual July 4th fireworks from Lake Oroville in Butte County. Photo taken July 4, 2002.

Thanks to a collaborative and forward-thinking partnership with groundwater sustainability agencies and California farmers, the Department of Water Resources’ (DWR) LandFlex Program has protected ...

California is now collecting more groundwater data than ever before as highlighted in the Semi-Annual Groundwater Conditions Update released today by the Department of Water Resources (DWR).

State of CaliforniaFuel load management work, including controlled burns, is conducted by CalFire in conjunction with California Department of Water Resources at Loafer Creek State Recreation Area in ...

State of CaliforniaAn aerial view shows high water conditions at Enterprise Bridge located at Lake Oroville in Butte County, California. Photo taken May 20, 2025.

An inspector at DWR’s North Thermalito Forebay watercraft inspection facility holds golden mussels found on a pontoon boat on Wednesday, May 21.

As snow begins to melt in the mountains and make its way to California reservoirs, the Department of Water Resources (DWR) today announced an increase to the State Water Project allocation forecast ...

Stopping the Spread of Golden Mussels With the introduction of highly invasive golden mussels into California waterways in October 2024, the Department of Water Resources (DWR) has been developing ...

SACRAMENTO, Calif. – The Department of Water Resources (DWR) today conducted the April snow survey at Phillips Station. The manual survey recorded 39.5 inches of snow depth and a snow water equivalent ...

Today, the Department of Water Resources (DWR) announced that wet and cold storms in March have allowed for another increase to the State Water Project (SWP) allocation forecast for 2025.

Boaters and recreationist can help combat the spread of a new invasive recently discovered in California waterways – the golden mussel.

Today, the Department of Water Resources (DWR) announced that recent storms have allowed for another increase to the State Water Project (SWP) allocation forecast for 2025.