Water quality test results
We test Winnipeg drinking water to ensure compliance with our Operating Licence , the regulations and Guidelines for Canadian Drinking Water Quality, these guidelines apply to treated water only. If you would like more information on water quality, visit Health Canada.
2023 test results:
Test results from January 1 to December 31, 2023 are provided for:
- Shoal Lake
- Water Treatment Plant raw
- Water Treatment Plant treated
- Winnipeg distribution system (Distribution and Bacti Results)
Historical Reports
- 2022 test results
- Shoal Lake
- Water Treatment Plant raw
- Water Treatment Plant treated
- Winnipeg distribution system (Distribution and Bacti Results)
- 2021 test results
- Shoal Lake
- Water Treatment Plant raw
- Water Treatment Plant treated
- Winnipeg distribution system (Distribution and Bacti Results)
- 2020 test results
- Shoal Lake
- Water Treatment Plant raw
- Water Treatment Plant treated
- Winnipeg distribution system (Distribution and Bacti Results)
- 2019 test results
- Shoal Lake
- Water Treatment Plant raw
- Water Treatment Plant treated
- Winnipeg distribution system (Distribution and Bacti Results)
- 2018 test results
- Shoal Lake
- Water Treatment Plant raw
- Water Treatment Plant treated
- Winnipeg distribution system (Distribution and Bacti Results)
- 2017 test results:
- 2016 test results:
- 2015 test results:
- 2014 test results:
- 2013 test results:
- 2012 test results:
- 2011 test results:
The historical reports below include test results for Deacon Reservoir because, before the Water Treatment Plant was built, sampling was done at the Deacon Reservoir outlet.
- 2010 test results:
- 2009 test results:
- 2008 test results:
- 2007 test results:
- 2006 test results:
- 2005 test results:
- 2004 test results:
- 2003 test results:
- 2002 test
results (pdf -
113kb)
- Shoal Lake (pdf - 190kb)
- Deacon Reservoir (pdf - 151kb)
- Winnipeg (pdf - 113kb)
- 2001 test
results (pdf -
57kb)
- Shoal Lake (pdf - 64kb)
- Deacon Reservoir (pdf - 71kb)
- Winnipeg (pdf - 61kb)