OOWA is the fastest-growing network of onsite wastewater professionals in Ontario!

Onsite Wastewater Education & Representation

The Ontario Onsite Wastewater Association (OOWA) is dedicated to representing and educating members within the onsite and decentralized wastewater industry in Ontario. Our members are among the most well respected practitioners in the industry: Educators, regulators, engineers, contractors, manufacturers, suppliers, service providers, and other parties dedicated to providing the best onsite wastewater industry services available, while working to preserve Ontario’s water resources and environment.

Canadian Onsite Wastewater Institute Course Offering

Introduction to Onsite Wastewater Systems

January 16th – 18th, 2015
Ramada Hotel, Trenton, ON

OS Intro101 – Intro to Onsite Wastewater Systems
3 day course Read more

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Exclusive access to important industry information, stakeholder representation at government events, access to the industry’s premiere newsletter, listings on our website, and big savings through our Partners Program.

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Onsite wastewater educators, regulators, engineers, contractors, manufacturers, suppliers, service providers, and more.

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