Contact

Ontario Water Wastewater Certification Office

295 The West Mall Suite 302
Etobicoke, ON M9C 4Z4
Hours of Operation : Monday to Friday 8:30 – 5:00 (EST)

We respond to emails and voicemails within one business day.

For enquiries on certification program policies and procedures we will provide a response within 15 business days.

By Phone/Fax

T: 416-231-2100
F: 416-231-2107
Toll Free: 1-877-231-2122

Submit a Request

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