Ontario Water Wastewater Certification Office

Welcome to the Ontario Water Wastewater Certification Office. This website will assist you through the process of certification and licensing under Ontario regulations 170/03, 128/04 of the Safe Drinking Water Act and 129/04 of Ontario Water Resources Act. If this is your first time visiting us, we recommend that you go the “Getting Started” section.

List of Independent Training Organizations

	Download and read the latest Operator Certification Bulletin, the Drinking Water and Wastewater Operator Certification News. (Click HERE).
	Attention Wastewater Treatment Examinees: Class II and III wastewater treatment examinations are now available for registration. Please visit our Examination Schedule page for details on exam locations and dates. (Click HERE).
	Ontario Leading North America - Clean, Safe, Reliable Drinking Water. The Minister's Annual Report on Drinking Water 2011 highlights the government's key achievements and successes in protecting drinking water. More...
	Over the next two to three years, Ontario’s wastewater collection and treatment exams will change. (Click HERE).
	Subscribe to receive certification program updates. For more information, (Click HERE).

	Operator Certification Working Group meeting highlights (Click HERE)
	For information on new Walkerton Clean Water Centre course offerings (Click HERE)