breadcrumbs-home cross minus plus menu search oregon chemeketa-instagram envelope-o star check close home chevron-left chevron-right plus2 chevron-up chevron-down twitter facebook envelope linkedin angle-left angle-right angle-up angle-down rotate-left instagram
Jump to Header Jump to Main Navigation and Secondary Navigation Jump to main content Jump to Footer

DEQ Installer & Maintenance Provider Certification

The Oregon Department of Environmental Quality (DEQ) has contracted with Chemeketa to provide classes to fulfill required training and certification of Onsite System Installers and Maintenance Providers.

DEQ Installer & Maintenance Provider Trainings

Students who complete the 8-hour DEQ Installer class or the 16-hour DEQ Maintenance Provider class and pass the certification test (with a score of 70% or better), will be mailed a serial-numbered, laminated certification card.


See DEQ website for Installer criteria

An Installer is a person who supervises or is responsible for construction or installation of onsite systems must be a certified Installer unless the person is the permittee for construction or installation of the system or the permittee's regular employee.

Maintenance Providers 

See DEQ website for Maintenance Provider criteria

A Maintenance Provider is a person who inspects, maintains, certifies or supervises maintenance on onsite systems using alternative treatment technologies, recirculating gravel filters or commercial sand filters and must be certified as a Maintenance Provider unless the maintenance provider owns the system being serviced and has received training from the manufacturer on proper maintenance of the system.


Classes are held at the Chemeketa Center for Business & Industry. See location and CCBI Directions.