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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Membership

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.

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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!

Thank you to our Series Sponsors!

Training

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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Newsletters

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

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Latest News & Events

OOWA’s 2024 Fall/Winter edition of the Onsite newsletter out now!

This edition covers topics including contractors’ equipment insurance coverage, a call to action for decentralized support, OOWA news, technological advancements in the industry, and updates from our convention. Access the full newsletter with the provided link for more details. […]

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Septic System Resources for Homeowners

OOWA has taken our most requested homeowner resources and most visited webpages and provided access to them all on one page! We welcome you to print copies for display or distribution. If you would like to request professionally printed copies, email us at info@oowa.org. https://www.oowa.org/wp-content/uploads/2024/10/Septic-System-Resources-for-Rural-Property-Owners.pdf […]

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2025 OOWA Annual Convention & Expo

Interested in Sponsoring or Exhibiting at our Annual Convention & Expo? Click the picture to open the Information Package and learn more about all the exciting opportunities to showcase your brand and products! […]

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