The Department of Transportation and Public Works is responsible for constructing and maintaining drainage channels on all County roads. This includes installation of culverts, maintenance of roadside ditches, cleaning storm drains and inlets, and any other activity required to facilitate proper drainage of stormwater from the roadway.
The County is NOT responsible for drainage issues that occur outside of County road jurisdiction. This includes issues that occur on private property, within city limits, or on State highways.
Report Drainage Issues using SoCo Report it
You can report non-emergency road issues (such as potholes, broken signs, flooding, etc.) using SoCo Report It, Sonoma County's application for submitting service requests.
Submit a Service Request Now