How do I hire a qualified inspector, designer or maintainer?
Homeowner education and specific information concerning Onsite Sewage System Inspections and choosing a service provider is available from the Washington On-Site Sewage Association. Property owners who plan to hire an Onsite Sewage System designer can learn about what to expect from a designer by reviewing the Department of Licensing Guidelines for the Professional Practice of On-Site Wastewater Treatment System Design. Public Health also maintains updated lists of septic professionals.