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 and 129/04 of the Safe Drinking Water Act. If this is your first time visiting us, we recommend that you go the “Getting Started” section.

List of Independent Training Organizations

	A new exam rescheduling and cancellation policy will take effect on July 1st, 2009. For more information, (Click HERE).
	Effective January 31, 2009, all forms, guides and applications can now be found at the Ministry of Environment portal called Drinking Water Ontario (Click HERE).
	On April 1, 2009, the CertiMetrics Division of HR Associates Incorporated became the new administrator for operator certifications in the Province of Ontario. The new certification office is called the Ontario Water Wastewater Certification Office (OWWCO).