The Health Department is closed June 27 for a staff retreat.
Close this search box.
Close this search box.
  • Information for Professionals

    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. 

    Read the latest updates, news and events for onsite sewage and well permitting. Sign up to receive industry notices by email.

    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

    Find on-site sewage and individual well codes and policies on our Regulations and Policies page

    Continuing education opportunities and presentations



    You can email us or call (253) 649-1925.