"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.
|Calendar of Events
Register for the 2016 20th Annual WOSSA Conference in Tacoma!
January 22 & 23, 2016
Click Here for More INFO!
WOSSA Lobbyist Fundraiser
WOSSA is the only organization in the State of Washington representing the interests of the Onsite Industry and we need your support to make sure that when some thing happens in Olympia when the legislature is in session, that we know about it.
Please donate today!
Click Here to Donate
...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
Upcoming Training Events