The Ross Valley watershed is 28-square miles. It extends from Mt. Tamalpais and White’s Hill through the communities of Fairfax, Sleepy Hollow, San Anselmo, Ross, Kentfield, Greenbrae, Larkspur, and Corte Madera to the San Francisco Bay.
Flood Control Zone 9: Ross Valley
The watershed includes Flood Control Zone 9: Ross Valley within it's boundaries. The Zone has an advisory board appointed by the District Board that reviews projects and how funds are spent.
