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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 map or 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

Watershed map

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