Wastewater
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.
Registry of transitional authorizations
List of transitional authorizations issued under the WSER.
Resource documents
Various documents about wastewater.
Contacts
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
Comprehensive review of events leading to discharge of untreated wastewater into the St. Lawrence.
Wastewater data and annual reports
This page links to WSER annual reports and reported data
Most requested
What we are doing
Laws and regulations
Guides
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