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Maintaining your on-site sewage/septic system

Tips and resources to help you maintain your sewage/septic system.

Have a septic question?

Have a technical septic question?

Call the Septic Expert at 206-477-8177

Find a Professional

About septic systems

Find common questions and answers about on-site sewage/septic systems.

On-site sewage/septic system inspections

Learn the benefits of regular inspections and what the process looks like.

Professionals who can help

Find a list of on-site sewage/septic system professionals.

Landscaping with an on-site sewage/septic system

Find ways to landscape your yard with an on-site system, including suggested plants.

Sewage spills and septic system failure

Learn what to do if you have a sewage/septic system spill or failure.

What to do during a power outage

Find out what you should do during a power outage.

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