Septic System Permit Search

Are you looking for information about your septic system and want to find it "on-line"?  You can access information prior to 2009.  When you click on the link below   Septic Permit Info

Operation & Maintenance

Learn to properly operate and maintain your septic system.

• Septic System Basics
• The Drainfield
• Inspecting Your Septic Tank
• Septic Systems Dos and Don'ts
• Special Conditions

Septic System Videos

• Gravity Flow System, Understanding and Maintaining Your [VIDEO]
• Pressure Distribution System, Understanding and Maintaining Your [VIDEO]
• Mound System, Understanding and Maintaining Your [VIDEO]
• Sand Filter System, Understanding and Maintaining Your [VIDEO]

Types of Septic Systems

Find out about the different types of septic systems.

• Conventional Systems
• Gravity System [PDF]
• Pressure Distribution System [PDF]
• Alternative Systems
• Aerobic Treatment Unit (ATU)
• Mound System [PDF]
• Sand Filter System [PDF]
• Other Systems (Proprietary)
• Glendon® BioFilter [PDF] (WA Dept of Health publication)
• AdvanTex Filter
• Drip Irrigation

Septic System Professionals

• Septic system professionals certified to perform services in Thurston County:
• Designers [PDF]
• Installers [PDF]
• Pumpers [PDF]
• Monitoring Specialists [PDF]
• Information for Septic System Professionals Only:
• Designers and Installers
• Pumpers

Operational Certificates

Thurston County requires certain types of septic systems to have Operational Certificates. Find out what is needed to renew the certificate. ...more

Financial Assistance — Low-Interest Loans and Grant Programs

Administers several low-interest loan and grant programs to help residents who live in shellfish protection areas or need financial assistance to maintain existing systems and repair failing systems. ...more

Permits

Issues permits for new septic systems or when repairs to an existing system are needed. Currently under construction.

Property Transfer Info

Requirements for properties with on-site sewage systems when sold or transferred. Currently under construction.

Educational Materials / Workshops

List of publications, workshops, and other information for septic system owners....more

FAQs - Frequently Asked Questions

Find the answers to common questions. ...more