Welcome to our new website!

We are excited to provide our new web site as a service to our members and the public. We have added the search function to find members based on location and professional services. Also created is the ability to preview upcoming training events and register on-line. It is also now an option to sign up and pay your membership dues on-line. Check out the site!

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.

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.