Storm Water – Flood Control
How to Report Flooding Problems
The County of Sonoma provides services for public drainage systems throughout the unincorporated county, except for Sonoma County Water Agency facilities.
Please call 911 to report emergency flooding threatening life or property.
To report non-emergency flooding problems, see our Storm Water Contact Page:
Flood Prevention at Home
To prevent flooding in and around your house you can:
To prepare for flooding you can:
If there has been flooding in or around your neighborhood:
Drainage Design Criteria
Public storm drain system improvements are designed in accordance with the Sonoma County Water Agency Flood Control Design Criteria Manual.
Additional Flood Information
|Although every effort is made to provide complete and accurate information on this website, users are advised to contact appropriate Permit Sonoma staff before making project decisions. This may involve contacting more than one section within Permit Sonoma(e.g. Building, Plan Check, Zoning, Well & Septic, etc.) since each section implements specific codes or ordinances which may affect your project.|
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