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Since August 14, 1929, the State of California has regulated dams to prevent failure, safeguard life, and protect property. The California Water Code entrusts d ...

Nationwide, the removal of dams has opened up miles of river habitat for special-status migrating fish. Dam removal decisions require careful planning and shoul ...

In February 2022, the California Department of Water Resources (DWR) received $1.5 million in funding for the Juvenile Salmonid Collection System (JSCS) Pilot P ...

The Division of Environmental Services applied research projects seek innovative solutions for the water management and environmental challenges faced by DWR. P ...

In 2016, we embarked on a three-year study to investigate whether electrofishing and relocating predatory fish in Clifton Court Forebay helped improve the survi ...

The Interagency Ecological Program (IEP) is a consortium of State and federal agencies that has been conducting cooperative ecological investigations since the ...

Beginning in 1991, approximately every 10 years, a one-page irrigation survey form is mailed out to California growers to update records on what types of irriga ...

Groundwater adjudication occurs when multiple water users in a single basin file an action in superior or federal district court to resolve a dispute about wate ...

The Division of Safety of Dams (DSOD's) responsibilities have been shaped by incidents at 3 dams. The facilities were not owned, managed, or built by DWR, but t ...

The South SWP Hydropower facilities, also known as FERC Project No. 2426 or P-2426, are located at the southern end of the State Water Project (SWP), south of t ...

Pyramid Dam and Lake are located about 60 miles northwest of Los Angeles and provides water storage for the greater LA area. The dam was built between 1969 and ...

The California Department of Water Resources announced the opening of the 60-day public comment period for the Floodplain Management, Protection, and Risk Aware ...

The California Department of Water Resources (DWR) is pleased to announce the opening of the application period for non-competitive grants through the Delta Wat ...

The California Department of Water Resources (DWR),) is pleased to announce a 30-day public comment period for the Environmental Impact Report for West False Ri ...

Join the Department of Water Resources for a hybrid technical seminar on December 12 to learn about a publicly available new "Weather Generator" tool to help hy ...

The California Department of Water Resources’ Riverine Stewardship Program (RSP) has awarded the City of Berkeley and their nonprofit project partner, Friends o ...

DWR's Operations and Maintenance staff will be applying herbicides and algaecides to several facilities throughout the State Water Project (SWP) in 2025.

Throughout September, DWR continued to prepare for the environmental review of a single tunnel solution to modernize State Water Project infrastructure.

The Department of Water Resources (DWR) opened public comment for Lookout Slough, a proposed multi-benefit habitat project designed to reduce regional flood ris ...

DWR announced the opening of the public comment period for the Riverine Stewardship Program: San Joaquin Fish Population Enhancement Program (SJFPEP) & Urban St ...