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Septic System Education

Program Contact: Tessa Halloran, Master Gardener/Small Farms Coordinator
(360) 427-9670 Ext. 682 •

Want to Learn More About Your Septic System?

The WSU Extension Mason County Small Farms Program collaborates with Mason County Public Health to host annual ‘Be Septic Smart’ free educational workshops for the community. Click the link on the right to view upcoming workshops.

Need Septic System Resources?

Check out the below links for information on maintaining your septic system, Mason County regulations and requirements, and landscaping suggestions.

Mason County Septic System Professionals

Licensed Designers and Engineers

Mason County Certified OSS Installers

Mason County Certified O&M Specialists

Mason County Certified Pumpers

Septic System Records

Request Mason County On-Site Sewage Records

Mason County Septic System Maintenance Records Search

Sewage Operation & Maintenance

Mason County | Septic System Maintenance Schedule & Approved Service Providers

Washington State Department of Health | Wastewater Management

United States Environmental Protection Agency | Septic Systems


Washington State DOH | Do-It-Yourself Inspection Video & Field Guides

Mason County | Inspecting Your Septic Tank

Mason County | Homeowner Self Inspection Report

Septic System Financial Assistance

Craft3 Clean Water Loans