Ontario Water Wastewater Certification Office
302 The East Mall, Suite 600
Etobicoke, ON M9B 6C7
Hours of Operation : Monday to Friday 8:30 – 5:00 (EST)
Submit a Question
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.
Your privacy – Your personal information is being collected to address your inquiry and may also be shared with the Ministry of Environment, Conservation and Parks. Your information will not be placed on mailing lists or released to any third party, except as may be authorized by law. Please do not submit payment or financial information through this form.
Toll Free: 1-877-231-2122