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.

Summertime, and the Diggin’ is Easy…

Greetings OOWA Members – I welcome you to our new and exciting Website! OOWA has been fortunate enough to experience substantial growth in the past few years, and the launch of our new website will help to continue our success. As we are now into the full swing of our Industry’s busy season, and enjoying the summer months (when the diggin’ is easy), Read more

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