Information for Professionals

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Are you a septic pro who works in Pierce County?

Access helpful policies, regulations, guidelines and resources. Learn how to become a Certified Professional in Pierce County.

Certification info, application and reporting requirements

Certified professional instructions:

Designer and Professional Engineer:

 Operation and Maintenance (O&M):


Report OSS inspections and pumpings:

Policy, regulations and guidelines

Continuing education opportunities and presentations



    You can email us or call (253) 798-6056.

    To request a stub-out or final inspection, you may also call (253) 798-6479.

    To receive Pierce County Critical Area sign off email:

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