Oregon Onsite Wastewater Association
O2WA is an organization supporting persons engaged in the design, installation, maintenance, and regulation of onsite wastewater treatment and disposal systems.

NEWS & Announcements
O2WA Town Hall Follow-up Report
Scholarship Deadline 4/30th
Spring Training Classes
O2WA Exhibiting at Home Show in Central Oregon

O2WA Member Search
Need to locate a septic product supplier, service provider or onsite wastewater professional in your area? O2WA's Member Search is the perfect resource to find onsite wastewater industry professionals.  You can search on the right hand side of this page.