Guidance for OSS
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What is On-Site Sewage?
An on-site sewage system (OSS) is commonly referred to as a septic system or septic tank. OOS is used when a house is not connected to the city sewer system. Many houses in Asotin County use OSS. The major benefit of OSS is that you are able to comfortably live where the city sewer system does not go.
The homeowner is responsible for the installation, maintenance and repairs of their system. Failed systems can result in sewage reentering the home or leaking into the environment. Local and state code provides guidance to ensure a safe, effective and long lasting system. You can read more about the Washington Administrative Code (WAC) that relate to OSS to learn about the responsibilities of the homeowner.
Asotin County OSS code can be found here. This code provides information that specifically addresses the unique needs of Asotin County.
Video:OSS Basics
The homeowner is responsible for the installation, maintenance and repairs of their system. Failed systems can result in sewage reentering the home or leaking into the environment. Local and state code provides guidance to ensure a safe, effective and long lasting system. You can read more about the Washington Administrative Code (WAC) that relate to OSS to learn about the responsibilities of the homeowner.
Asotin County OSS code can be found here. This code provides information that specifically addresses the unique needs of Asotin County.
Video:OSS Basics
Caring for your OSS
Routine maintenance and minor repairs are necessary to ensure the system will last a long time. Properly maintained systems can last for decades. OSS tanks should be pumped every 3-5 years.
Signs of OSS Failure
Why Maintain Your Septic System
Quick Tips Videos
EPA Homeowner Septic Smart Guide