Welcome - Marin County Flood Control District

Map showing extent of levees and floodwall near Crest Marin Pump Station.

Notice of Availability for the Cardinal Road Levee Upgrade Project

Posted on November 29, 2025

A Notice of Availability has been published for the Cardinal Road Levee Upgrade Project Draft Initial Study/Mitigated Negative Declaration (IS/MND). The project is located at along Coyote Creek near Cardinal Road, east of Flamingo Road, in Tamalpais Valley. More information, including the Notice Availability and the Draft IS/MND, can be accessed on the environmental planning...

Aerial view of Santa Venetia with ridge in the background and Gallinas Creek in the foreground.

Proposed Santa Venetia Floodwall Project Community Meeting

Posted on September 30, 2025

There will be an open house for the Proposed Santa Venetia Floodwall Project. When: Wednesday, October 15, 2025, 6:30 – 7:30 pm Where: Marin County Civic Center Room 143D, 3501 Civic Center Drive, or tune in via Zoom. Who should attend: Flood Zone 7 (Santa Venetia) community members Join the Marin County Flood Control &...

Construction working standing in a creek bed and clearing out chunks of a dead tree.

Storm Season Preparations are Underway

Posted on August 8, 2025

For Immediate Release - Marin County, CA - County conducts annual maintenance in advance of the rainy season While it is easy to forget during the hot, dry months of summer, winters can bring intense storms to Marin, delivering significant impacts across the county, including downed trees, landslides, damaged roadways and flooded streets. Minimizing such...

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