In this guide
This article was first published in July 2023 and reflects reporting at that time. For the current status of Casselman's water, check the municipality's website.
Residents of Casselman, Ontario, east of Ottawa, lived with a water quality advisory for an extended period, as CTV News Ottawa reported. Here's what an advisory like that means.
What is a water quality advisory?
Local authorities issue an advisory as a precaution when there's a concern about drinking water. It doesn't always mean an immediate threat, but it tells residents to take care, for example by boiling water or using another source for drinking.
Why advisories continue
- Contaminant levels: bacteria, nitrates or metals above safe limits
- Treatment issues: problems with the treatment process or equipment
- Source water: runoff, industry or severe weather affecting the river or lake
- Infrastructure: leaks, breaks or ageing pipes
The impact on residents
Long advisories change daily life. People avoid tap water for drinking and cooking, buy far more bottled water, and boil water for everyday tasks. Restaurants and other businesses struggle to operate normally.
What can homeowners do?
Always follow the guidance of your local authority during an advisory; home treatment doesn't replace it. Afterwards, a reverse osmosis system for drinking water, plus UV disinfection on private wells, gives an extra layer of protection. Unsure what's in your water? Book a free test.
