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

Flood Control Zone 9 Advisory Board Mtg

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

Where: TBD

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!

Upcoming Community Workshops

Mark your calendars for these upcoming community workshops. Each workshop will focus on status and information for the identified geographic area. Stay tuned for more details!

November 30, 2016: Upper Ross Valley

December 6, 2016 : Lower Ross Valley

October 13, 2016 Murphy Creek (Kentfield) Cleanup

Several residents in the Kentfield area of Murphy Creek moved up the creek cleanup event by a few days to beat the arrival of the season's first storm. Along with woody debris removal & grass trimming, crews helped remove two large metal cabinets, paint cans, and an old fridge from the creek, helping to ensure smooth creek flows through this neighborhood.


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)

KCBS Radio Interview - Concrete Debris Removal in San Anselmo Creek

Listen to the KCBS radio interview which aired September 28, 2016 and discussed concrete debris removal performed along San Anselmo Creek

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.