An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

San Francisco Bay Delta Watershed

San Francisco Bay Delta Watershed

Tour the Watershed: Video Fly-Overs of the San Joaquin and Sacramento Watersheds
Aerial Tours of the Largest Watershed and Estuary on the West Coast of the Americas
Live Conditions

Get real-time data on conditions in the San Francisco Bay-Delta: water quality, species, environmental information and more. Exit

Watershed Conditions Near You