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Ville de Montreal: Water network work

The Ville de Montreal will conduct water network shutdown tests on September 16 and 17, 2026, in preparation for the rehabilitation of water chambers. These interventions could result in temporary disruptions to water service in certain areas of Côte-des-Neiges–Notre-Dame-de-Grâce, Westmount and Ville-Marie.

Westmount and Ville-Marie: Water service interruption

An intervention is planned in certain areas of the City of Westmount and the Ville-Marie borough. The water network shutdown test could result in a temporary interruption of water service lasting approximately 60 minutes, on September 16 and 17, between9 a.m. and 3 p.m.

Areas concerned

  • Clarke Avenue
  • Hudson Avenue
  • The Boulevard

The Ville de Montreal encourages residents who may be affected to remain attentive to notices issued before and during the work. Affected residents will receive a notice from the Ville de Montreal within 48 hours prior to the intervention.

Côte-des-Neiges–Notre-Dame-de-Grâce and Westmount: Decrease in water pressure

In the Côte-des-Neiges–Notre-Dame-de-Grâce and Westmount areas, a significant decrease in water pressure at the tap may occur between 9 a.m. on September 16 and 3 p.m. on September 17.

Areas concerned

The potentially affected areas are bounded by:

  • Aberdeen Avenue
  • Westmount Avenue
  • Claremont Avenue
  • Brillon Avenue
  • Décarie Boulevard
  • Côte-Sainte-Catherine Road
  • The Boulevard

The City reminds residents who may be affected that they could receive a notice or alert containing additional information and recommendations to follow during the intervention.

Preparatory Work

These interventions are part of the ongoing maintenance and rehabilitation of Montreal’s water network. The shutdown tests will help prepare for upcoming work and minimize potential issues during the work.

Consult the notice for the Ville de Montreal (in French)