Water and Waterworks

Boil-water advisory

The boil-water advisory in Ville-Marie has been lifted.

Are you concerned about water quality? Drinking water supply, lead in water, wastewater management, aquatic environment monitoring, waterfront and river cleaning infrastructure.

Flooding: how to protect your home
Flooding: instructions for evacuation

Learn more

Air conditioning or cooling units that use drinking water
Contamination or shortage of drinking water
Drinking water
Flooding
Quality of aquatic environments
Severe thunderstorms

Were you unable to find what you were looking for?

Some content is still unavailable on montreal.ca. These links to our other sites may interest you.

All about water in Montréal (in French only)
Boil Water Advisory
Bylaws on water use in Montreal
Lead Water Connections
Monitoring of quality in aquatic environments (in French only)
Sewer and wastewater (in French only)
Sewer backup (in French only)