SEPTIC SYSTEM GUIDES & TOOLS

Everything you need to know about your septic system.

Free tools to understand your system, find licensed contractors, and learn best practices for maintenance and repairs.

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FREE TOOLS

Tools to help you manage your septic system.

No signup required. Get instant answers to common septic questions, completely free.

Pump-Out Calculator

Find out when your septic tank needs pumping based on household size and tank capacity.

Verify Contractor License

Check a contractor's license status, bond, and insurance directly from Washington L&I.

Compliance Checker

Verify your property has a compliant septic inspection for sale or transfer.

Risk Assessment

Answer 8 questions to assess your septic system's failure risk.

County Requirements

Look up septic inspection requirements for any Washington county.