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Visit either the drinking water operators or the wastewater operators section of our online resource library for a complete collection of resources.
Other helpful resources include:
If you have questions about operator certification, contact the Ontario Water and Wastewater Certification Office (OWWCO) at 416-231-2100, or toll-free at 1-877-231-2122. You can also send an email to firstname.lastname@example.org.
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