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STATE WATER PROJECT

Learn more about the State Water Project – the backbone of the state’s water supply delivery system, providing high-quality drinking water for two-thirds of the state.
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SCIENCE

Learn how the SWC and its member agencies are looking at our state’s water supply through a scientific lens and protecting, restoring and enhancing the Sacramento-San Joaquin Delta ecosystem.
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RESOURCES

Check out our fact sheets, op-eds, videos and other materials to learn more about the value of the State Water Project and what it means to you and your community.
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NEWS

Read the latest news articles, as well as thoughtful opinion pieces from SWC General Manager Jennifer Pierre.
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ABOUT US

Stay informed about the SWC and its 27 member water agencies that deliver fresh water for use in our homes, farms and businesses, serving as stewards of the state’s precious and finite water resources.
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DELTA DASHBOARD

View the latest information on California’s statewide hydroclimate and State Water Project operations, including precipitation, snow water content, daily average flow, reservoir storage, total exports and more.
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WHAT’S NEW

@SWC_CAWater

- March 28, 2023

@mwdh2o: Metropolitan marked a major milestone by refilling Diamond Valley Lake, Southern California’s largest reservoir for the first time in three years. Our ability to begin storing water is due to the greater availability of supplies from the State Water Project. https://t.co/kTBrdJtMCc
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@SWC_CAWater

- March 24, 2023

SWC Responds to Increased Allocation of State Water Project Supplies: “We are pleased that the recent storms have provided an opportunity for the state to increase its much-needed water supplies after three very dry years.” Full statement: https://t.co/hCvptjlLS9
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@SWC_CAWater

- March 24, 2023

@SWC_CAWater: The SWC issued a request for proposals, with $3M in funding available for science projects that advance understanding of SF Bay, the Sacramento-San Joaquin Delta & upper watersheds. All materials available on the SWC website under Science Resources: https://t.co/xOqhD7LvhU https://t.co/BDYOG23g5I
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@SWC_CAWater

- March 22, 2023

Thank you to all #CAwater professionals who work to ensure Californians have safe, reliable water. #WorldWaterDay #WaterAction https://t.co/CfXDubNHEr
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@SWC_CAWater

- March 21, 2023

@SecureWaterCA: We must upgrade and protect the State Water Project -- backbone of #California’s water supply! The proposed Delta Conveyance Project is an essential climate adaptation strategy that will ensure the project can capture, move and store water. Learn more: https://t.co/e90mrQuTeA https://t.co/6RNxVtJG7s
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