Find a Professional

OOWA is dedicated to providing access to a large network of onsite wastewater professionals throughout Ontario. Our members include a wide range of disciplines such as sewage (septic) system design and installation to septic tank pump-outs, repair, and inspections.

Find a Professional

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When you become a member of OOWA, you are joining a network of engaged professionals who are leaders in the onsite industry and in their communities. Our members have access to leading continuing education resources and association benefits.

Learn More about Joining

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Homeowner Resources

Our goal is to help homeowners find resources about septic systems. Learn more about how septic systems work, how to prolong their life, how to get one installed on your property, and why onsite wastewater management is good for your property and the environment.

Browse Resources

Video Library

Are you a rural homeowner looking to learn more about your sewage (septic) system? Are you an industry professional looking for resources? OOWA continues to populate our YouTube channel with content for various audiences. Check back often for our latest releases!

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Our members have access to quality education and training across the province. OOWA recognizes a number of educational providers who offer a wide variety of courses and training schedules. Courses delivered by these recognized providers may be used towards accreditation and experience requirements needed to qualify for the Registered Professional Program.

Learn More About Training

Guidance Documents

OOWA’s Onsite Technical Committee (OTC) has prepared many peer-reviewed guidance documents with the goal of providing clarification and uniform practices regarding many industry undertakings including the installation of sand filter beds, pump chambers, and site evaluation to name a few.

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Find older issues of OOWA’s newsletter in our archive.

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Latest News & Events

OOWA’s 2024 Convention edition of the Onsite newsletter out now!

In this edition: Check out OOWA’s new branding! Conference highlights including speaker bios, exhibitor listing and sponsor information Annual committee report to the membership Tips for installing systems on steep slopes Design Considerations for Effluent Dosing to Large Leaching Beds and more! […]

Read More… from OOWA’s 2024 Convention edition of the Onsite newsletter out now!

2024 Annual General Meeting Notice

OOWA’s Annual General Meeting (AGM) is taking place at our Annual Convention on Sunday, March 03, 2024 at 4:15 p.m. – 5:30 p.m.  Please join us for some exciting announcements, Board member elections and to discuss where we are heading in 2024.  This year we will offer the ability to attend virtually via ZOOM. Details […]

Read More… from 2024 Annual General Meeting Notice

OOWA’s 2023 Fall/Winter edition of the Onsite newsletter was released!

In this edition: Meet OOWA’s newest staff member, Claire! How Being Too Busy Can be Bad for Business Engaging the Next Generation 2024 Convention Keynote Speaker Announcement Saying farewell to a champ How can your OOWA membership save you money? Chamber vs. Leaching Chambers in Shallow Buried Trench Leaching Beds and more! […]

Read More… from OOWA’s 2023 Fall/Winter edition of the Onsite newsletter was released!

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