Wastewater annual reports and data
Annual reports
These reports provide a summary of the information submitted by owners and operators of Canadian wastewater systems under the Wastewater Systems Effluent Regulations (WSER) per calendar year. Annual reports are available for 2016 and 2017.
Data reported under the WSER
This dataset includes information reported under Sections 18, 19 and 20 of the WSER for the calendar years 2013 to 2020. The dataset includes the following:
- identification reports - owner, geographic location, treatment types
- monitoring reports - average CBOD, average suspended solids, volumes deposited
- acute lethality test results
- combined sewer overflow reports
Wastewater maps under WSER
Maps have been published based on the dataset of information reported under Sections 18, 19 and 20 of the WSER for the calendar years 2013 to 2020 and includes:
- Treatment types of the wastewater systems in Canada subject to the Wastewater Systems Effluent Regulations
- Submitted effluent quality results under the Wastewater Systems Effluent Regulations effluent quality standards
- Acute lethality test results from wastewater systems subject to the Wastewater Systems Effluent Regulations
- Combined Sewer Overflow volumes from wastewater systems subject to the Wastewater Systems Effluent Regulations
- Combined Sewer Overflow points - Wastewater Systems Effluent Regulations
Related information
Additionnal data on infrastructure funding for wastewater is available through Infrastructure Canada.
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