UPDATE. October 9, 2025: An official notice was just issued by the City of Montreal re: the end of the boil-water advisory in Côte-des-Neiges–Notre-Dame-de-Grâce. The boil-water advisory was issued on October 7 for the Côte-des-Neiges–Notre-Dame-de-Grâce borough, and now tap water is once again safe to consume without boiling. The city shared important precautions, like letting the cold water run from all taps for a few minutes before use. Repeat this procedure for outdoor faucets, garden hoses, and drinking fountains. Empty, clean, and disinfect coffee makers and ice machines. Replace filters in water treatment or filtration systems (such as pitchers, faucet or under-sink filters, and refrigerator water dispensers) according to the manufacturer’s instructions. It is not necessary to empty the hot water tank.
A boil-water advisory has been issued for one of Montreal’s favourite neighbourhoods.
Residents of the Côte-des-Neiges–Notre-Dame-de-Grâce borough have been cautioned to boil their tap water for at least 1 minute before consuming it or using it to brush their teeth.
The alert issued on October 7, 2025, at 4:08 pm also stated that unboiled tap water can be used for personal hygiene or household use.
RECOMMENDED: I waited in line for over 30 minutes in N.D.G. for Montreal's best baguette and it was worth it
Why is there a boil water advisory?
The City of Montréal issued a boil-water advisory for Côte-des-Neiges–Notre-Dame-de-Grâce borough due to reduced water pressure.
According to an interactive map, the advisory has been issued for the area to the west of the Autoroute 14, south of Cote-St-Luc Road, east of Harvard and north of Monkland.
The City of Montreal site explains that advisory is in effect until further notice, and as soon as the situation is restored, a new advisory will be issued.
Which addresses are affected?
To see which addresses are affected by the boil-water advisory, click on this link.
RECOMMENDED:
50 best things to do in Montreal for locals and tourists
Complete guide to the best restaurants in Montreal
Best things to do with kids in Montreal