Written By: Canadian Water Compliance | On
Ensuring the safety and quality of potable water is a critical concern for municipalities across Ontario, including London. The City of London is committed to providing safe drinking water to its residents through a comprehensive Quality Management System (QMS) that aligns with Ontario's Drinking Water Quality Management Standard. This system emphasizes compliance with all relevant legislation and the continual improvement of water quality management practices.
Lead Contamination Concerns
In 2019, an investigation revealed elevated levels of lead in drinking water across various Canadian municipalities, including London. Approximately half of the 36 tests conducted in London exceeded the federal guideline of 5 micrograms per litre (µg/L) for lead. These exceedances were primarily found in homes and businesses with lead service lines. In response, the City of London had previously implemented measures such as adjusting the pH levels of the water to reduce lead exposure, beginning in 2007.
Microbiological Testing and Incidents
According to the 2020 Drinking Water Summary Report, out of 2,624 samples taken, there were three instances where Total Coliform bacteria were detected. In each case, the City followed mandatory adverse response procedures, including notifying the Ministry of the Environment, Conservation and Parks (MECP) and the Middlesex-London Health Unit, and conducting immediate re-sampling. The re-sample results revealed no adverse indicators, suggesting that the initial detections were likely due to post-sampling contamination rather than actual water quality issues.
Public Perception and Outreach
Public perception of tap water safety varies among residents. Discussions on local forums indicate that while many trust the safety and regulation of municipal water, concerns about infrastructure and potential contaminants persist. The City offers resources for residents to inquire about water quality and provides testing services for those concerned about specific issues like lead contamination.
Regulatory Compliance and Continuous Improvement
The City of London adheres to Ontario's stringent regulations governing drinking water quality. The QMS policy underscores the City's commitment to complying with all applicable legislation and regulations, ensuring that the drinking water system is both safe and reliable for all consumers.
In summary, while London has faced challenges related to potable water quality, proactive measures and a commitment to continuous improvement have been central to addressing these issues. Residents are encouraged to stay informed and utilize available resources to ensure the ongoing safety of their drinking water.