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.
In areas where public sewer is not available, homeowners must have septic systems installed on their property that will treat wastewater coming from their home.
This division handles the following permitting activities and services. Please contact Permit Sonoma to discuss sewer and sanitation permitting requirements.
Sewer and Water System Permits
Residential
Subdivisions
Commercial
Industrial
Sewer and Water System Repair Permits
Sewer and Water Systems Record Drawings
Sanitation District Record Drawings
Annexation Applications for Outside Service Areas
Sewer Inspections
Sanitation Codes & Standards
Codes set forth uniform requirements for contributors to the wastewater collection and treatment systems.
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