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Water's edge view of Corte Madera Creek. Elevated house on stilts in the left side of frame, 101 bridge and office park on right side of frame. Mount Tamalpais sits in the distance.

Ross Valley

  1. Watersheds
  2. Ross Valley

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.

Learn about Flood Control Zone 9 and subscribe to notifications.

Upcoming Zone 9 meetings

Jan 16 2024

Zone 9 Advisory Board Meeting: January 16, 2024

6:30 pm Fairfax Pavilion
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