Wastewater data and reports
On this page, you will find links to the Open Data site. This site contains data reported under the Wastewater Systems Effluent Regulations (the Regulations).
Annual Wastewater Systems Effluent Regulations Reports are also available on this page.
Other data and reports done on wastewater in Canada are available on this page.
Annual reports
Annual reports on the Wastewater Systems Effluent Regulations provide a summary of the data reported on Canadian wastewater systems under the Regulations. Annual Status Reports are currently available for the years listed below.
Data reported
The Open Government dataset includes the following data reported under the Regulations from 2013 to 2020:
- Identification reports - owner, geographic location, treatment types
- Monitoring reports - average CBOD, average suspended solids, volumes deposited
- Acute lethality test results
- Combined sewer overflow reports
Access to the wastewater data on Open Government
Wastewater maps
We have created the following maps using the data reported under the Regulations from 2013 to 2020:
Treatment types of the wastewater systems in Canada subject to the Regulations
Submitted effluent quality results under the Regulations
Acute lethality test results from wastewater systems subject to the Regulations
Combined Sewer Overflow volumes from wastewater systems subject to the Regulations
Combined Sewer Overflow points under the Regulations
Other data and reports
Discharge of untreated wastewater in the St. Lawrence River
Additional data on infrastructure funding of wastewater systems through Infrastructure Canada
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