Confined Space Entry /

Pathogen Exposures

Puyallup - 8:30 AM

WOSSA Training Center 

Feb. 21st

In a deliberate effort to raise awareness and reduce workplace injuries related to

Pathogen Exposure, Confined Space Entry, OSHA Construction Focus Four: Falls, Caught-in or between, Struck by and Electrocution

WOSSA has developed new training resources that focus on workers in the On-Site industry. This training delivers both knowledge and practical skills to address the numerous hazards that are unique to our industry.

These videos were developed by WOSSA as an integral part of these safety training classes.

Washington On-Site Sewage Association MembershipRecently, Jerry Stonebridge, John Thomas...

April 15th-18 & 22nd-25th 2019

Feb. 28th

Upcoming Training Classes

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​Washington On-Site Sewage Association

WOSSA Membership

For over 20 years WOSSA's goal has been to promote professional excellence through education, advocacy...

Ideal for New Hires or Employees Stepping into Leadership


Calendar of Events

It is always a challenge to find a quality service provider within any trade...


WOSSA Pumper / O&M Technician Academy



"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.

23rd Annual WOSSA Conference Keynote Speaker

Voice of the INDUSTRY

Mike co- leads CEO Warrior, the highest level coaching and training organization on the planet for home service businesses. Mike is an inspirational coach and mentor, sharing his $30 million dollar business blueprint to help service business owners achieve massive wealth, freedom, and market domination.

D-109 Design Siting

Puyallup - 8:30 AM

WOSSA Training Center 

Whether you’re an employer or someone looking to get hired on, having the skills, attitude and knowledge...

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