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.

OOWA’s Decentralized and Small Communities Systems Symposium

This year OOWA will be presenting a new event to specifically support Decentralized Wastewater issues and solutions – the first Decentralized & Small Communities Systems Symposium. On Wednesday, October 8th, 2014 in Perth Ontario, a day long Symposium will be held for the benefit of community planning and municipal decision making, providing information and education about this increasingly important area of infrastructure. Read more


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