Wastewater Operator-in-Training

If you are an OIT looking to extend your certificate, you must complete the Wastewater Operator-in Training Licence Renewal Form and pay the applicable fee.

If you want to upgrade from an OIT certificate to a Class 1 operator certificate, find more information here.

Visit the wastewater operators section of our online resource library for a complete collection of resources.

If you have questions, 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 info@owwco.ca.