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Aquatic Pesticide Application for Coverage under Water Quality Order 2016-0041-DWQ

The Department of Water Resources’ Division of Operations and Maintenance has published a Notice of Intent for coverage under the Statewide General National Pol ...

Aquatic Pesticide Applications in the SWP in 2025

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

Architectural and Engineering Contracts Program

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 ...

Archive press releases

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Are You Flood Ready? DWR Encourages All Californians to Take Action for Flood Preparedness Week

After two consecutive years with major flood events across the state, DWR is using California Flood Preparedness Week, which runs from Oct. 19 through Oct. 26, ...

Arundo Control and Restoration Program

As part of this project, we have completed a mapping Arundo infestations in the legal Delta as well as the development of a prioritization model to help planner ...

Assistance and Engagement

Governor Brown noted upon signing the Sustainable Groundwater Management Act (SGMA) that groundwater is best managed at the local level, and that the State's pr ...

Audit Validator Certificate - Classes and Exams Begin in May

New Water Audit Validator Certificate Program offered at locations throughout the state.

August Delta Conveyance Update

DWR is continuing to work on the environmental planning and permitting to modernize State Water Project infrastructure in the Delta.

B.F. Sisk Safety of Dams Modification Project Final SEIR

This notice serves to inform all interested parties that a Final Supplemental Environmental Impact Report (SEIR) was certified by the California Department of W ...

Basin Boundary Modifications

The Sustainable Groundwater Management Act (SGMA) established a process for local agencies to ask the Department of Water Resources (DWR) to revise the boundari ...

Basin Characterization Program

The Basin Characterization Program provides the latest data and information about California’s groundwater basins to help local communities better understand th ...

Basin Prioritization

Basin prioritization is the process of applying datasets and information in a consistent, statewide manner focused on the core premise that basins meeting the c ...

Basin-Wide Feasibility Studies

We conducted 2 Basin-Wide Feasibility Studies (BWFSs) in the Sacramento River basin and the San Joaquin River basin to refine the scale and location of large-sc ...

Bay Delta

The Sacramento-San Joaquin Delta plays a major role in California's prosperity by supplying drinking water to 25 million residents and fueling a $32 billion agr ...

Be Flood Ready

In honor of Flood Preparedness Week, we held a press conference on October 23, 2017 to raise awareness about flood preparedness.

Be Well Prepared

As California continues to experience climate-driven weather extremes, DWR is providing tools and resources to help communities that are dependent on groundwate ...

Below Average Precipitation for Water Year 2018

A new water year begins Oct. 1 and Californians will be eyeing the weather forecasts to see what kind of year it will be. Despite below-average precipitation in ...

Best Management Practices and Guidance Documents

The Sustainable Groundwater Management Act (SGMA), Water Code Section 10729(d), directed DWR to “publish on its internet Web site best management practices for ...

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