map of Ross Valley watershed

What's Happening Now:


Learn about & stay connected with what's going on with specific projects.

Bridge Projects (Fairfax | Ross | San Anselmo)
Former Sunnyside Nursery Multi-Benefit Project
Lefty Gomez Dual-Use Facility
Lower Sleepy Hollow Creek Improvements (Morningside Neighborhood)
Phoenix Lake IRWM Project
San Anselmo Flood Protection Projects
US Army Corps of Eng. Corte Madera Creek


View documents related to the work we've been doing. Can't find something you're looking for? Please email Zone 9 Engineer Felix Meneau at

Frequently Asked Questions (FAQs)
Program & Project Summary Sheets
Reports & Newsletters


Find out what happened at a community or board meeting.

Advisory Board Meetings
Board of Supervisors Meetings
Community Meetings

Events & Meetings

Don't see a meeting you're looking for? Check out our Meeting Archive of previously held advisory board and community meetings.

Flood Control Zone 9 Advisory Board Mtg

When: Tuesday December 20th at 7:00 pm.

Where: TBD

October 1, 2016 Sleepy Hollow Creek Cleaning

4th Annual Sleepy Hollow community creek cleaning day! All creekside residents should clean out drainage areas and creeks on their property. Check the SHHA website for more information. Free chipper station for all excess branches at the end of Butterfield courtesy of Sleepy Hollow Fire Protection District and FIRESafe Marin.

November 15 at 7:00p Lower Sleepy Hollow Creek Neighborhood Meeting

A neighbhorhood meeting will be held on November 15 at 7:00p at the Isabel Cook Community Center to discuss the study results of the front door threshold and creek bank surveying and to discuss next steps. Stay tuned for more information!


Annual Creek Cleanup Underway in Ross Valley

Overgrown vegetation, debris and concrete rubble will be removed in San Anselmo Creek starting September 28 as part of annual maintenance. Read the full story.

Several workers wearing hard hats work to clear a creekbed of large logs

Lower Sleepy Hollow Creek House & Creek Surveying June-August 2016

Front door threshold & creek bank surveying will be conducted in the lower reach of Sleepy Hollow Creek, commonly known as the Morningside neighborhood in San Anselmo. This work will begin in June and continue intermittently through August 2016. Contact Senior Civil Engineer Russ Eberwein at 415-473-7579 with any questions. A neighborhood meeting will be scheduled to answer any questions.

2016 Spring/Summer Newsletter

Take a look at our Spring/Summer 2016 Newsletter!


Real-Time Stream and Rainfall Gauges

Picture of a computer screen with rainfall graph

Webcams & Other Stream Gauges

Creek levels and web cameras in Fairfax, San Anselmo, and Ross (Courtesy of Ross Valley Fire Department)

Flood Preparedness

Learn more about what we do and you can do to help be prepared for flooding.

Sign up for emergency alerts from the Marin County Sheriff.

Assistance for Landowners

Browse resources for landowners related to gardens, native plants, construction, and projects around the home.