A sanitary sewer system collects and transports waste from indoor plumbing fixtures to treatment plants. The Sanitation Sewer division reviews and issues permits related to sanitation and sewer systems for properties in unincorporated Sonoma County.
(Well and Septic Information)
Sonoma County Water Agency's Sewage Emergency Hotline: (707) 523-1070
This division handles the following permitting activities and services. Please contact Permit Sonoma to discuss sewer and sanitation permitting requirements.
Sanitation Codes and StandardsCodes set forth uniform requirements for contributors to the wastewater collection and treatment systems.