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California-Great Basin

Welcome to the Bureau of Reclamation California-Great Basin

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Shasta Dam at Sunset

Central Valley Project Operations Timeline

2026 Central Valley Project Water Operations Timeline

December

  • Dec 1 - DWR Announces Initial State Water Project Allocation for 2026
  • Dec 4 - Reclamation updates long-term operation plan for the Central Valley Project

January

  • Jan 23 - Interior Advances President Trump’s Executive Order 14181 Priorities, Approves Sites Reservoir Project to Strengthen California Water Reliability
  • Jan 29 - December Storms Improved Flexibility Allow DWR to Increase State Water Project Allocation
  • Jan 30 - Dry January Cuts into Early-Season Snowpack Gains

February

  • Feb 26 - Reclamation announces initial 2026 water supply allocations for Central Valley Project contractors
  • Feb 27 - February Storms Provide a Much-Needed Boost but Statewide Snowpack Remains Below Average
Last Updated: 3/17/26

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U.S. Department of the Interior - Bureau of Reclamation