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Sanitation Sewer

Overview

A sanitary sewer system collects and transports waste from indoor plumbing fixtures to treatment plants. You can visit the front Engineering Cubicle at Permit Sonoma to discuss the permitting requirements for any of the following eleven sanitary sewer systems:

District
Number
District Name
1
South Park Sanitation District
3
Graton Community Service District
4
Sea Ranch Sanitation Zone
5
Sonoma Valley Sanitation District
7
Occidental Sanitation District
8
Penngrove Sanitation Zone
9
Russian River Sanitation District
10
Geyserville Sanitation Zone
11
Airport-Larkfield-Wikiup Sanitation Zone
12
Canon Manor
Forestville

 

Community service districts (CSD) are separate legal entities, own their assets and infrastructure. The County Board of Supervisors acts at the CSD Board of Directors except for the Sonoma Valley CSD (which is comprised of the Mayor of Sonoma, the First District Supervisor, and the County Board of Supervisors’ Chair). Sanitation zones (SZ) have assets and infrastructure owned by the Sonoma County Water Agency with the County Board of Supervisors acting as the zone Board of Directors. Graton elects their own Board of Directors. Sewage from the Canon Manor area is governed by the City of Rohnert Park (with waste going to the City of Santa Rosa Llano wastewater treatment plant). Permit Sonoma issues building sewer permits for Forestville.

Contact Information

Emergencies

Sonoma County Water Agency's Sewage Emergency Hotline:
(707) 523-1070

Non-emergencies

Non-emergency sanitation sewer information:
Keith Hanna at (707) 565-3628

Sanitation Sewer Resources

Sewer District FAQs

Sanitation Codes and Standards

Sewer Inspection FAQs

Fee Schedule

Sewer Links

 

Document Accessibility Notice
Some of these documents are saved in Portable Document Format (PDF). We recommend you download Adobe® Reader®, a free software that allows you view and print PDF files.

For accessibility assistance with these documents, please contact Permit Sonoma (PRMD), Sonoma County at (707) 565-1900.
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Although every effort is made to provide complete and accurate information on this website, users are advised to contact appropriate PRMD staff before making project decisions. This may involve contacting more than one section within PRMD (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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Permit and Resource Management Department County of Sonoma