Are you looking for information about water in Montréal? Learn about lead in the water, waterworks and sewer repair, drinking water quality and legislation concerning water use.

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  • Do you have an air conditioning or cooling unit that uses drinking water? As of in January 2018, residents are required to replace these types of units with a fully compliant air conditioning unit, heat pump or other system. Find out everything you need to know.

  • What are the risks of a drinking water contamination or shortage in Montréal? What measures does the city take to inform and assist residents in the event of a disaster? Find out what you need to know.

  • What should you do if you notice a change in your tap water? What types of advisories inform residents of the steps to take in the event of contamination or a service interruption? Learn everything you need to know about drinking water in Montréal.

  • The city intends to remove all lead service lines within city limits between now and 2032. Learn about lead screening, health recommendations and work being done to replace affected service lines.

  • In Montréal, water meters are installed on all buildings used wholly or partly for non-residential purposes. Meters are used to determine the real consumption of these users and encourage better use of drinking water.

  • The city ensures the quality of its waterways and protects their ecosystems and biodiversity through its three-fold action plan: Reduce pollutants at source, intercept and treat wastewater, and monitor the aquatic environment. Here’s what you need to know.

  • The city and building owners share the responsibility for maintaining drinking water and sewer pipes. For installation, replacement or repair work, you must contact a plumbing company or the borough to have the work done.