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Do's and Don'ts
For Maintaining Your Septic System



Regularly inspect and maintain your septic system.

Routine maintenance can lengthen the life of your septic system. Contract a licensed Maintenance Provider to inspect and monitor your system with the frequency that your septic system needs:


Pump your septic tank as needed. How often you pump depends on the amount of water use in your household or business. As a rule of thumb, the more people who use your septic system, the greater your water flow. This means your septic tank will fill up faster and will require more frequent pumping. More Info Here

Secure Lids

Keep your septic tank lids closed and secured.

A lid that is open or not screwed shut is a safety hazard! People can fall into tanks that are not secured. Make sure tank access lids are not cracked or deteriorated to prevent a safety hazard from happening.

Be Water Wise

Using less water may increase the life of your septic system. Using too much water is a frequent factor in failed systems. Learn more easy-to-do tips for saving water in different parts of your house on the Washington Sea Grant Program's website.


Direct water from land and roof drains away from the drainfield

This additional water may prevent the drainfield from working properly.


Have "risers" installed to make septic tank pumping and monitoring visits easier, cheaper, and less time-consuming. A "riser" also makes pumping and monitoring cause less mess and disruption in your yard.



Chemicals and some medications, such as antibiotics, can destroy bacteria in your system that are necessary to break down solids. ​Never use drain cleaners, and use household cleaning products in moderation. IT IS RECOMMENDED TO AVOID ANTIBACTERIAL SOAP PRODUCTS


DO NOT drive across, park or allow livestock to graze over the septic tanks, lines or drain field. The tanks and lines could collapse, and the drain field’s soil could become compacted, shortening its life and causing the need for expensive repairs.


DO NOT construct anything over the drain field (disposal) area – including driveways, storage buildings, play sets, pools, or gardens. If you ar unsure on where the lines are, request an "As Built" drawing from your local permitting authority


These products may be harmful by adding extra solids to the system that can clog your drainfield. 

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