Designers and Installers

• Installer Construction Completion Form [PDF]
• Thurston County Onsite Wastewater System Construction Manual [PDF] — Minimum standards and recommendations for the construction of onsite wastewater treatment and disposal systems in Thurston County

Pumpers

Pumper Packet

• Table of Contents [PDF]
• Cover Letter [PDF]
• Certified Sewage System Pumper Application Form [PDF]
• Pumper and Pumper Firm Performance Expectations [PDF]
• Summary of Septic System Operation and Maintenance Program for the Henderson Watershed Protection Area [PDF]
• Thurston County Septic Tank Pumpers' Manual [PDF]
• Article IV Section 23.3 Pumping Firm [PDF] — taken from the Thurston County Sanitary Code
• List of Approved On-site Sewage Disposal System Additives [PDF] — WA Dept of Health
• Thurston County Septic Tank Pumper / Facility Inspection Report [PDF]
• Septic Tank Pump and Service Report [PDF]
• Sample Information packet — information provided to septic system homeowners prior to having their septic systems inspected
• Septic Inspection and Pumping Guide [PDF]
• Inspecting Your Septic Tank, It's not so bad... really! [PDF]
• Understanding and Caring for Your Sand Filter System [PDF]
• Understanding and Caring for Your Septic Tank System [PDF]
• Understanding and Caring for Your Mound System [PDF]
• Understanding and Caring for Your Pressure Distribution System [PDF]
• Septic Tank Additives— Small Flows Quarterly, Winter 2002

• Your On-Site Sewage System [PDF] (Used as the holder for the handouts)