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WICC: Content: Suisun Creek Basin

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Discover & Learn > About Our Watersheds > Suisun Creek Basin

Suisun Creek Basin

The Suisun Creek Watershed falls within both Solano and Napa Counties. Only a portion of the upper part of the watershed is in Napa County. Separated from the Napa Valley by Mt. George in the west and bounded by the Vaca Mountains in the east, the watershed contains the upper reaches of Suisun Creek (which eventually empties into Suisun Marsh and Suisun Bay) and several of its tributaries including Wooden Valley and Gordon Valley Creeks. Farms, ranches, and vineyards are found in this watershed, along with oak woodlands and grassland habitats, and a municipal water supply reservoir, Lake Curry.

Source: Napa County Resource Conservation District