Canadian Wastewater Survey (CWS)
Other reference periods
- August 27, 2023 to June 9, 2024 Canadian Wastewater Survey (CWS)
- 2022 and 2023 Canadian Wastewater Survey (CWS)
- 2022 Canadian Wastewater Survey (CWS)
- December 2021 to January 2022 Canadian Wastewater Survey (CWS)
- April 2021 to November 2021 Canadian Wastewater Survey (CWS)
- January 2020 to December 2020 Canadian Wastewater Survey (CWS)
- January 2020 to July 2020 Canadian Wastewater Survey (CWS)
- March 2019 to December 2019 Canadian Wastewater Survey (CWS)
- March 2019 to July 2019 Canadian Wastewater Survey (CWS)
- March 2018 to February 2019 Canadian Wastewater Survey (CWS)
- March to August 2018 Canadian Wastewater Survey (CWS)
Generally, information is only available for reference periods after November 2000.
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