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City of Bellingham, WA
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Septic systems

Septic System

About 650 permitted septic systems (or on-site sewage systems (OSS)) are located in the Lake Whatcom watershed. Proper care and maintenance of your septic system is critical for the protection of our water quality.


A failing septic system can impact more than just your wallet, it can:

Care and Maintenance

Avoid septic system failure through regular care and maintenance.

Septic System Failure

If you are having a problem with your septic system, you should have it inspected immediately.
• Contact the Whatcom County Health Department (360) 676-6724
• Have your system pumped by using a licensed septic tank pumper
• Read information on the Whatcom County On-Site Sewage System Program

More Information

M 8/25/2015

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