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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.

I'm looking for

  • 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.

  • Contamination or shortage of drinking water

    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.

  • 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 meters

    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.

  • Water quality in waterways

    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.

  • 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.

I want to

  • Find out about boil-water advisory
  • Learn how to protect my home in case of flooding
  • Know how to protect myself during a severe thunderstorm

Notice to residents

Get a text message or e-mail if there is a water interruption or other incident.

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Someone watering their garden with a hose
Tips
Regulations concerning water use : What you need to know
Une gouttière et son extension
Tips
Outdoor gutters: How to install them properly
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