Drinking water in Québec is generally of excellent quality. However, despite all measures in place to monitor its quality, drinking water can sometimes be contaminated to varying degrees. In such instances, temporary protective measures are taken, such as issuing boil water or drinking water avoidance advisories.
Most particularly, drinking water can be contaminated by:
The Regulation respecting the quality of drinking water establishes standards for drinking water contaminants that present a health risk. This regulation specifies that drinking water distribution system officials ensure the quality of drinking water by complying with current standards. The Ministère du Développement durable, de l’Environnement et de la Lutte contre les changements climatiques (MDDELCC) enforces the application of the Regulation.
If your drinking water comes from a private well, read Well Drinking Water Contamination.
Last update: November 25, 2016 11:19 AM
The information on this website by no means replaces the advice of a health professional. If you have questions regarding your health, contact Info-Santé 811 or see a health professional.