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Posted on: December 7, 2022

Update on Sacramento-San Joaquin River Delta

Delta Bridge

Protect the Delta

The Sacramento-San Joaquin Delta Estuary (Delta) relies on California’s two most significant rivers, the Sacramento and San Joaquin, and is the largest estuary on the West Coast. East Contra Costa County covers a large area within the southwestern Delta. The entire northern border of the County is bound by a waterfront that flows from the Delta to the San Francisco Bay.

A healthy, vibrant Delta is closely tied to the physical, societal, and economic health of those who live, work and recreate in the San Francisco Bay-Delta region and throughout much of the state.

The Delta tunnel project, known as the "Delta Conveyance Project," is the latest version of a massive State water infrastructure project that would divert water around the Delta. The tunnel takes fresh water out of the Delta, bypassing the ecosystem. Hence, less water goes through the Delta, which improves export water quality at the expense of water quality for those who live and work in the Delta. 

For more information on the Delta Conveyance Project, visit the Contra Costa County Water Agency website. If you want to learn more, please contact Ryan Hernandez at 925-655-2919 or by email.

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