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

Considerable progress has been made to improve flood management in the Central Valley; however, this vast region still faces significant flood risk. Approximately 1 million Californians live and work ...

Perris Dam, located in Riverside County about 60 miles east of Los Angeles, provides water supply for recreation, fish and wildlife enhancements, and millions of Californians. Lake Perris is the ...

California is one of the most productive agricultural regions in the world, and is the major producer of many nuts, fruits, and vegetables. In fact, California is the only producer of 13 commodities ...

The Delta Levees Maintenance Subventions Program provides funding on a cost share basis to local levee maintaining agencies for rehabilitation and maintenance of levees in the Delta.

State of CaliforniaGroundwater Elevation Monitoring Guidelines were developed to assist DWR by establishing criteria for the selection and measurement of monitoring wells in the event that DWR is ...

State of CaliforniaSatellite imagery from NOAA's GOES system taken during California's historic 2023 water year showing the Sierra Nevada with colored overlays delineating the five study areas of the ...

All "abandoned" wells and exploration, or test holes shall be destroyed. The objective of destruction is to restore as nearly as possible those subsurface conditions which existed before the well was ...

State water agencies, the California Water Data Consortium (Consortium) and Environmental Defense Fund (EDF) announced a new partnership today to make an open-source groundwater accounting platform ...

The Department of Water Resources today released the Final Environmental Impact Report (EIR) for the proposed Delta Conveyance Project, advancing an essential piece of the state’s strategy to protect ...

With California adapting to intense shifts between extreme wet and dry weather, DWR announced three projects that will receive support from DWR’s Water Desalination Grant Program, and an additional ...

State of CaliforniaCastaic Dam, Lake, and Lagoon are located 45 miles northwest of Los Angeles and provide water for the greater LA area. Castaic Lake supplied water to more than 4.8 million ...