Washington On-Site Sewage Association

Washington On-Site Sewage Association - Wastewater Systems


"Voice of the Industry" for Members, Consumers, Our Communities & the Environment

Washington State has approximately 1.5 million decentralized wastewater systems in use, it is our mission as an Association, with the help of our members, consumers and local government; to ensure that we put the water back into our communities the way we found it. Helping to replenish nature’s support system with a long term sustainable approach to wastewater disposal and treatment.

Top News
Calendar of Events
Training Classes

2015 WOSSA Board Members

President: Jerry Stonebridge
Vice President: Mike Moren
Past President: Bill Creveling
Treasurer: JR Inman
Secretary: Keith Pelzel
Pumper Rep: Julie Toaves
Regulatoy Rep: Dave Tipton
Eastern Region Rep: Adam Johnson
Supply / MFR. Rep: Dave Lowe

Thank you for your support and voting for WOSSA's 2015 "Voices of the Industry."  

Washington State DOH Issues 2012 RS&G's

The Washington State Department of Health has issued updated RS&G's which are available below in PDF form. WOSSA has consolidated all 15 of the new RS&G sections into one document. Bookmarks have been added for each section of this 500 page update. We hope that this will help to make your use of the RS&G's a little more efficient.

           2012 WA DOH RS&G

...more WOSSA events

WOSSA Developing Industry Specific Confined Space Entry Training           

We are excited to announce that WOSSA in collaboration with the Washington Department of Labor and industries SHIP Grant Program has created a CSE Training Program for workers in the On-Site Industry. Click on the photos below to view the WOSSA videos and interviews filmed as a part of the training.

...more WOSSA news 

The 2015 Fall - 2016 Spring Training Schedule is now Available, Click Link Below!


       2015 - 2016 Schedule
                 Click Here 

     Upcoming Training Events

Note: On-line Registration for the Fall 2015 - Spring 2016 Classes is not available yet, but will be shortly.

WAC 246-272A Review / Exam Prep   10.3-4.15
Puyallup, WA
M-301 Certification of Proprietary Devices   10.6-7.15
Puyallup, WA
M-102 Operations and Maintenance Basics   10.14.15
Puyallup, WA
O-204 Electrical Control Panels   10.29.15
Puyallup, WA
...full class schedule



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