Quick Links
Municipal residential systems must be licensed under the municipal drinking water licensing program.
The municipal drinking water licensing program replaced the certificates of approval program for municipal residential drinking water systems.
As of September 2011, all existing municipal residential drinking water systems in Ontario had received a licence and a drinking water works permit.
If you already have a licence, select one of the links on the right.
To apply for a licence and drinking water works permit for a new municipal residential drinking water system, use this guide and form for more information.
Have a question about the licensing program?
Call the approvals and licensing help line, open Monday through Friday from 9 a.m. to 5 p.m. at 1-877-955-5455 or send an email to mdwlp@ontario.ca.
Disclaimer
Remember, this is only a summary. To be clear about specific legal requirements, you should refer to the Safe Drinking Water Act, and the regulations and other instruments made under that Act. For more information, please contact the ministry’s Public Information Centre at 1-800-565-4923.
