The Lower Peninsula Watershed is a 98-square-mile area whose many small-creek watersheds feed the tidal wetlands along the San Francisco Bay's southwest shoreline.
Its San Francisquito and Stevens creeks in this watershed are among the last remaining viable steelhead trout runs in the county.
- Fast facts about the Lower Peninsula Watershed
- How to report a problem in a creek: Go to our Access Valley Water online customer request and information system