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Watershed Information

Wherever you are, you are in a watershed.

A watershed is the area of land that drains to a common waterway. In Santa Clara County, our creeks and rivers catch rain and runoff from storm drains and carry the water north to San Francisco Bay or south to Monterey Bay. Along the way, some of the water is used to fill reservoirs for drinking water, replenish the underground aquifer and create better habitat for fish and wildlife.

Look at the map below to find out which watershed you live in. Then click on the links at left to find out more about each watershed, such as:

  • Who to contact with questions or concerns
  • What Santa Clara Valley Water District flood protection, water utility project and environmental restoration projects are going on in each region

Learn more about each watershed on interactive Google Earth maps: Watching Our Watersheds

Watershed map

Click to learn more about the Uvas/Llagas Watershed Click to learn more about the Coyote Watershed Click to learn more about the Guadalupe Watershed Click to learn more about the West Valley Watershed Click to learn more about the Lower Peninsula Watershed