Keep Your DEQ Certification Current

Following initial certification, DEQ requires Installer and Maintenance Provider recertification every three years. Chemeketa Community College will recertify onsite system installers and maintenance providers who:

  • Complete 18 hours (1.8 Continuing Education Units, CEU’s) of approved continuing education following their most recent certification or within six months after their certification expires and Chemeketa will provide recertified persons a serial-numbered, laminated certification card.

Notification of Expiration

Prior to initial certification expiration Chemeketa will notify Installers and Maintenance Providers (to the address Chemeketa has on file)that your initial certification will be expiring in about a month. This letter will include instructions on how and what to send for recertification; documentation that you have received 18 hours of continuing education (most cases the course completion certificate that the approved course providers give to you following successful completion of the course. You are responsible for keeping track of your course completion certificates!

Approved Classes

The Oregon Environmental Services Advisory Council (OESAC) approve classes which are listed on their website. If you want to see if a course you have taken will qualify toward recertification you can view the list of approved courses at the OESAC website. If you or your organization are holding, or have held, a class that you would like to be evaluated for qualification toward recertification you must submit an application to OESAC.

If you have questions about the requirements of the DEQ class, and your status regarding the course and test requirement, please check out the DEQ website.

Please also refer to the DEQ website for an updated list of certified Installers and Maintenance Providers that includes certification expiration dates.

Oregon Onsite Wastewater Association (O2WA)

O2WA's mission is to give a voice to members of all disciplines and trades, to encourage the free exchange of ideas, to upgrade skills through education and training, and to promote the development of new and improved practices, policies and uniform standards. O2WA deals with pertinent issues in the Onsite industry and also provides a quarterly newsletter to all members that often contain availability of upcoming training resources. Installers and Maintenance Providers are not required to become a member of O2WA, however, this organization is a source of information for onsite professionals and continuing education courses.

Information on O2WA can be found on their website at

If your information has changed due to moving, or if you find errors on the list of certified Installers and Maintenance Providers, please contact us.  We use this list to generate mail-outs and to keep you informed about getting re-certified.

E-mail or call 503.399.5181 to learn how we can help you obtain the training you need