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 September 20th at 7:00 pm.

Where: Larkspur City Hall, 400 Magnolia Avenue, Larkspur, CA 94939

August 22, 2016 6-8p US Army Corps Project Community Meeting at Ross School Gymnasium

A community meeting was held to discuss the Corte Madera Creek Flood Control Project, commonly referred to as Unit 4, Unit 3, and Unit 2. The meeting provided a presentation on progress on the feasibility study and an opportunity for additional public input. Contact Hugh Davis (415-473-4232) or Kelly Janes (415-503-6856) with any questions.

July 7, 2016 at 7:00p Lower Sleepy Hollow Creek (Morningside) Neighborhood Meeting

A neighborhood meeting was held on Thursday July 7, 2016 at 7:00 p.m. at the Isabel Cook Community Center to describe and answer questions on the upcoming house & creek land survey and study in the Morningside neighborhood. View the presentation slides, exhibits, and meeting notes & Q&As.


Webpage for Former Sunnyside Nursery Multi-Benefit Project

Learn more about the potential for using the site to detain stormwater during flood events and stay up-to-date with what's happening now by visiting the project page.

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.