Wastewater: What’s Coming Down the Pipe

Wastewater Systems Effluent Regulations Amendments

Environment and Climate Change Canada has, as a direct result of MNL’s advocacy work, agreed to revise the Wastewater Systems Effluent Regulations (WSER). Following a consultation period, the proposed amendments are now ready for review and comment and have been published in the Canada Gazette.

MNL members advocated for these regulations to be amended. The below video will give you an overview of the WSER, along with some background. Click here for the pdf version of the presentation.

Upcoming information session:

June 22, 2023 1:30 p.m. – 3:00 p.m. General information session

What Municipalities Can Do

We strongly encourage you to: 

N.L. specific info session replay

This session, specifically for Newfoundland and Labrador municipalities, is hosted by Environment and Climate Change Canada, and is essential for all municipalities impacted by WSER changes. The video replay of this session is below.

Presentation slides 

Administrative amendments fact sheet

Temporary bypass authorization factsheet

Transitional authorization factsheet

Which Municipalities are Affected?

This map shows the municipalities directly impacted by proposed changes to the WSER. These municipalities are listed in the discussion document annex as being likely eligible for a temporary authorization (TA).


You can find answers to frequently asked questions here. If you don’t see the answer you’re looking for, please reach out to us.

If you are wondering what you need to do next, ask questions. As always, you can reach out to MNL Director of Advocacy and Communications Deatra Walsh directly at dwalsh@municipalnl.ca or by phone at 709.986.2771. You can ask questions and/or provide feedback to Environment and Climate Change Canada through email at eu-ww@ec.gc.ca