Septic professionals such as pumpers, installers, and monitoring and maintenance specialists receive individual certifications. On this page, we list companies with certified professionals on staff who are certified in Snohomish County. Some septic contractors are certified in more than one area. For more information on becoming certified you can email Environmental Health.
- Septic installers: Certified by Snohomish County Health Department and must pass an examination and certification requirements (PDF).
- Sewage pumpers: Certified by Snohomish County Health Department and must pass an examination and certification requirements (PDF).
- Monitoring and maintenance specialists: Certified by the Snohomish County Health Department and must pass both portions of the Washington On-Site Sewage Association exam in addition to meeting the 2-year experience requirement and showing proof of current registration with the Washington State Department of Labor and Industries.
- Designers and engineers: Licensed by the Washington State Department of Licensing.