Environment

Water

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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  • Air conditioning or cooling units that use drinking water

    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.

  • Drinking water

    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.

  • Lead in your water

    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.

  • Water quality in waterways

    Would you like to know how the city monitors water quality in its waterways? Or how it tracks contaminants in its sewer system? Find out everything you need to know.

  • Water supply and sewer systems

    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.

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