How to care for your septic system
- Questions about onsite sewage systems (OSS)
A well operated and maintained system treats the wastewater completely, and therefore protects the public's health, ground water, lakes, streams and drinking water wells. Learn the basics of where to find your OSS, how it works, and more.
- Brochures and posters
Detailed brochures for homeowners on maintaining their onsite sewage systems.
- How the septic system works
Photo-illustrated page describing the two main parts of septic tanks and drainfields.
- What to expect when the septic tank needs pumping
It is recommended to pump your septic tank every 3 - 5 years. How often you pump depends on the amount of water you use.
- Types of septic systems
The common types of septic systems are gravity, pressure distribution, sand filter, and mound systems.
- Financing your septic system, Environmental Protection Agency (EPA)
Explains how a septic system works, the costs of installation and maintenance, and septic system funding sources.
- Do's and Don'ts when maintaining your septic system
Tips on best practices on what to do to maintain your septic system in optimal use and what not to do to prevent damage to your system and to protect the environment.
- Inspecting your septic system
Learn how an inspection will benefit you and when you should call an on-site system maintainer.
- Landscaping tips with a septic system
Landscaping when you have a septic system requires special care. Since your yard is where wastewater is treated, a landscape design should not interfere with the natural functioning of your septic system.
- Tips for outdoor sewage spill clean-up
Outdoor sewage spills pose a serious threat to people and the environment because of the harmful pathogens they contain. This clean-up guide covers how to practice proper hygiene, clean up the spillage and restore contaminated materials.
- What to do if you have a septic system failure
All septic systems have a limited life expectancy so one can expect that they will fail at some point in time. Failing septic systems can expose you, your family and your neighbors to sewage.
- What to do during a power outage
One of the first things you need to do when the power fails is to be water-wise. Why? Because pump systems are dependent on electricity to move the effluent (liquid sewage from the septic tank) into the drainfield.
- Be water-wise when you have a septic system
Did you know that each person flushes 18.5 gallons per day? Also, toilets, showers and faucets represent more than 70% of indoor water use. You can lower your water use in the bathroom by following these easy tips.
Link/share our site at www.kingcounty.gov/oss/care