Theler Wetlands on Hood Canel near Belfair

For decades, the health of South Puget Sound waters has been a critical focus of the State of Washington’s Department of Ecology. It is remarkable how clear these waters have been maintained due to the efforts of our counties to regulate residential septic systems – the successes in Henderson Inlet is a recent example.

Thurston County (Olympia, Washington area) has been a mentor to provide the necessary guidelines to keep our water free of pollutants however, in the end, it is up to the individual home owner to understand how they can do their part.  After all, if waterfront owners did their part, we wouldn’t need regulation.

As a service to all of us who live on open water, I want to connect you to the knowledge being shared by Thurston County and the State Department of Ecology.  I would encourage everyone to accept the stewardship of having access to a precious public resource and take care of your septic.

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

• Understanding and Maintaining Gravity Flow System [video]
• Understanding and Maintaining Pressure Distribution System [video]
• Understanding and Maintaining Mound System [video]
• Understanding and Maintaining Sand Filter System [video]

Types of Septic Systems

Learn 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
  • AdvanTex Filter

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