DWR Updates

A drone view of Oroville Dam and main spillway at Lake Oroville in Butte County, California.

Lake Oroville Update - March 14, 2025

Lake Oroville Update for March 14, 2025

Published: March 14, 2025

California Department of Water Resources Groundwater Hydrogeologist Ky Dupuis, from the Geology and Groundwater Investigations Section of the Division of Regional Assistance North Central Region Office, works on their routine groundwater monitoring well run in Colusa County. Photo taken August 23, 2024.

Entering a New Era of Sustainable Groundwater Management

In recognition of Groundwater Awareness Week, it’s incredible to think about the tremendous work California has accomplished since our legislature passed the Sustainable Groundwater Management Act (SGMA) in 2014.

Published: March 14, 2025

A drone photo of water diverted onto a newly constructed groundwater recharge basin at Mountain View and Temperance near Selma in Fresno County, California. Photo taken May 13, 2024.

DWR Celebrates Groundwater Awareness Week!

Groundwater Awareness Week is March 9-15, and DWR is celebrating all week long.

Published: March 10, 2025

Fuel 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 Oroville, California. The work is part of the fuel load management program which reduces fire risk, protects public safety, and enhances forest and watershed health.

Lake Oroville Update - March 7, 2025

Lake Oroville Update for March 7, 2025

Published: March 07, 2025

A new wooden foot bridge spans a small stream that cuts through the Brad Freeman Trail near the Hyatt Powerplant.

Lake Oroville Update - February 28, 2025

Lake Oroville Update for February 28, 2025

Published: February 28, 2025

Invasive golden mussels are viewed at California Department of Water Resources labs in West Sacramento, Yolo County, California. Photo November 6, 2024.

How to Stop the Spread of Golden Mussels

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

Published: February 27, 2025

A drone view of water levels at the Bidwell Bar Bridge located at Lake Oroville in Butte County, California. On this date, the water storage was 2,707,699 acre-feet (AF), 77 percent of the total capacity. Photo taken January 30, 2024.

Lake Oroville Update - February 21, 2025

Lake Oroville Update for February 21, 2025

Published: February 21, 2025

A drone view of water levels at Bidwell Bar Bridge and (Left) Bidwell Canyon Marina at Lake Oroville in Butte County, California.

Lake Oroville Update - February 14, 2025

Lake Oroville Update for February 14, 2025

Published: February 14, 2025

A drone view of water levels at Bidwell Bar Bridge at Lake Oroville in Butte County, California.

Lake Oroville Update - February 7, 2025

Lake Oroville Update for February 7, 2025

Published: February 07, 2025

An early morning view of the Harvey O. Banks Delta Pumping Plant. The facility is located in Alameda County and lifts State Water Project water 244 feet into the beginning of the California Aqueduct. Photo taken March 28, 2024.

State Water Project “Flexes” Operations to Capture More Storm Water

The Department of Water Resources (DWR) is taking advantage of February storms and increased flexibility in new operating permits for the State Water Project to move more stormwater now for use when dry conditions return.

Published: February 04, 2025

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