Administrative Office/Mailing Address:
Operations and Maintenance Center
204 Concourse Blvd, Santa Rosa, CA 95403
Directions (Google Maps)
Front Desk: 707-526-5370
Operations Desk (24 Hours): 707-547-1900
Fax: 707-544-6123 or 707-524-3782
Phone: 707-547-1927 or 707-322-8192
Emergency Phone Numbers
Sewage Emergency Hotline: 707-523-1070
The Sewage Emergency Hotline is operated on a 24-hour basis at the Sonoma County Water Agency's Operations Center. Call this hotline to report any sewage spills, overflows or backed-up sewer lines.
Flood Information: 707-526-4768
The Flood Forecast is a recording that provides updates on local river conditions. The recordings are updated by the Sonoma County Water Agency as conditions change.
Stream Maintenance: 707-521-1845
Report any stream related issues, such as debris or stream channel changes, to prevent localized flooding. Learn more about the Stream Maintenance Program.
Non-Agency Emergency Phone Numbers
• Sonoma County Department of Emergency Services Hotline: 707-565-3856
• California Department of Water Resources - Division of Flood Management website for Russian River flows:
• City Roads: Call the city of interest public works (check in the phone book)
• County Roads: Transportation and Public Works - 707-565-7280. Public Works web site for road closures
Water Suppliers: Cities and Water Districts
For more information about water resource management and water conservation programs in Sonoma and Marin counties, contact your local water supplier:
City of Santa Rosa
Town of Windsor
Marin Municipal Water District
City of Cotati
City of Sonoma
City of Petaluma
North Marin Water District
Contact Us Form
Fill out the below form to send us your questions or comments. We will make sure they get to the appropriate member of our staff for a response.