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- A proposed offstream reservoir west of Patterson could store up to 82,000 acre-feet of water.
- The project is intended to improve agricultural supply reliability, wildlife refuge deliveries, and flood protection.
- Federal, local, and regional partners are involved, with public comments accepted through January 12, 2026.
Tuesday, December 16, 2025 — The U.S. Bureau of Reclamation announced last week that it is seeking public input on a draft environmental impact statement for the proposed Del Puerto Canyon Reservoir Project in California.
, the project would create a new offstream reservoir in Del Puerto Canyon, located in the Coast Range foothills west of Patterson and south of the Sacramento-San Joaquin Delta.
The proposed reservoir would have a storage capacity of up to 82,000 acre-feet of water. Bureau of Reclamation materials state that the project is designed to improve the reliability of water supplies for agriculture, enhance water deliveries to wildlife refuges, and provide additional flood control benefits. The reservoir would capture runoff from Del Puerto Creek and store water delivered from the Delta-Mendota Canal during wetter periods for use during drier times…