Thunder Bay releases water quality report
The City of Thunder Bay is announcing they have passed a water quality test with flying colors.
Our drinking water system received an inspection rating of 100% from the Ministry of Environment, Conservation and Parks
Taste and odour tests were reported as inoffensive, and there was no trace of E. Coli or Coliform in any samples tested.
The full report can be found here. It also provides an overview of how the city treats and delivers safe drinking water, as well as tips on how residents can help protect water quality at home.
“Our water is monitored around the clock to ensure it meets strict safety standards. This report confirms the city of Thunder Bay continues to provide high-quality, safe drinking water,” said Michelle Warywoda, Director of the Environment Division for the city. “We encourage residents to read the report to learn more about where their water comes from and how it can be protected, and about the operator certification process for the city’s water operators who work with the drinking water system.”
As part of the city’s Lead Action Plan approved in 2014, Thunder Bay has provided a water purification system and lead testing services free of charge to residents and businesses with known or suspected lead services. In 2025, 525 lead water samples were tested and approximately 107 publicly owned lead services were replaced.
