Regulations, agreements, pollution, management and contacts.

Services and information

Regulations and reporting

Guidance, reports, timeline and information for owners and operators.

Frequently asked questions

Purpose, key elements, Canadian businesses, implementation.

Bilateral agreements

Administrative agreements and equivalency.

Wastewater pollution

Source and effect on ecosystems, health and environment.

Wastewater management action

Federal, provincial and territorial action under the Canadian Environmental Protection Act, 1999.

Resource documents

Various documents about wastewater


Contact information for the Wastewater Program.

Wastewater regulations overview

Wastewater systems effluent regulations, bilateral agreements, frequently asked questions.

Untreated wastewater in the St. Lawrence River

A comprehensive review process of the events leading to the discharge of untreated wastewater into the St. Lawrence River.

What we are doing

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