Contact


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)

Email: info@owwco.ca

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

MAP