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Department of Water Resources is modernizing its SWP facilities across the state, including Castaic Dam.

We strive to help Californians of all ages learn about water. We provide supplementary teaching materials for classroom educators, homeschoolers, non-formal edu ...

The State Water Project (SWP) is operated in a manner that protects endangered and threatened species under the state and federal endangered species act.

Groundwater recharge is a key strategy throughout California to manage water through climate-driven weather extremes, including prolonged drought and periodic i ...

Thank you for your interest in teaching about water. To help you engage your students, the Department of Water Resources offers the following water education ma ...

Since 2003, DSOD has been funded entirely from the combination of dam application and annual fees. Senate Bill 1049 2003 (Chapter 741, Statutes of 2003) set for ...

There is clear evidence of the vulnerabilities in the Sacramento-San Joaquin Delta (Delta) posed by climate change and earthquake risk. As sea levels continue t ...

We safely provide timely, cost-effective, and quality engineering, geology, construction, geodetic, and administrative services to the public, state water contr ...

Since 1985, the Urban Streams Restoration Program (USRP) has provided over $96 million to 327 grants in accordance with California Water Code Section 7048, to ...

Water flowing through the Delta supports an important ecosystem and serves as a water supply to 27 million people throughout Northern, Central and Southern Cali ...

San Luis Reservoir, located in the western San Joaquin Valley near historic Pacheco Pass, serves both the SWP and federal Central Valley Project. San Luis Reser ...

The State of California and the Department of Water Resources (DWR) are strongly committed to providing accessible information to all persons. If website inform ...

Bulletin 132, Management of the California State Water Project, is an annual series reporting SWP water supply planning, construction, finance, management, and ...

As the fourth largest hydropower producer in California, DWR’s State Water Project (SWP) is committed to promoting carbon free and renewable energy resources (C ...

Castaic Lake, one of the State Water Project's largest recreational lakes and the terminal of its west branch, provides emergency storage in the event of a shut ...

The water supply availability for delivery by the State Water Project (SWP) depends on rainfall, snowpack, runoff, reservoir storage, pumping capacity of SWP fa ...

Our restoration programs are State Water Project (SWP)-funded to comply with the U.S. Fish and Wildlife Service (USFWS) and National Marine Fisheries Service (N ...

The mission of the Architectural & Engineering (A&E) Contracts Program is to provide optimal customer service to our clients in producing A&E contracts in a tim ...

We manage the multipurpose State Water Project (SWP) that provides water supply, flood control, fish and wildlife habitat, and outstanding recreational opportun ...

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