Onsite Wastewater Management Program

As of April 23, 2025, the WPCF Onsite program starts in Your DEQ Online, a one-stop place to manage water quality permits. Information on how to use Your DEQ Online can be found on Water Quality Permits in Your DEQ Online.

DEQ Onsite Septic Program Transitioning to Coos County

Coos County will officially assume administration of the onsite septic program from DEQ on April 1, 2025. Oregon ePermitting, the online permitting portal, will be unavailable for Coos County for one week during the transition. The portal reopens April 4. Go to Onsite Septic Staff and County Agent Contact Information to find the latest contact details for Coos County.

Onsite Septic Program

Licensing and Certification

Septic Systems

Septic System Permitting

Products

Disaster Recovery

Information for Medford and Coos Bay offices

The Medford office is by appointment only. Call 541-776-6010 with questions or to set an appointment. The Coos Bay office is currently closed for security upgrades, but staff is available by phone. Call 541-269-2721, ext. 0, with general questions or to be directed to appropriate staff.