Alerts

To keep you informed of important messages from the city!

2026-08-21

August 21, 2026 – Pressure testing on the water distribution network - Dragon Street - to resume on Monday, August 24 between 8 a.m. and 3 p.m.

Possible discoloured water and drop in water pressure for certain addresses on Dragon street

2026-08-20

August 20, 2026 - Drinking water supply interruption AND boil water advisory for certain addresses on Charlevoix, Rougemont and Marcel-Meloche streets

Drinking water supply interruption AND boil water advisory for certain addresses on Charlevoix, Rougemont and Marcel-Meloche streets

Works Info

Stay informed about the work being carried out in the city, whether it involves road repairs, infrastructure maintenance, work on the water network, or park redevelopment. For any questions or to report an issue related to the work, please call 514-694-4100.

2026-08-07

Road Reconstruction – Place du Souvenir, Aesop St., Allard St., Derome St., Pasquini St.

Road Reconstruction – Place du Souvenir, Aesop St., Allard St., Derome St., Pasquini St.

2026-08-03

Replacement of a section of the storm sewer network on Argyle Street

Replacement of a section of the storm sewer network on Argyle Street.

2026-06-29

Reconfiguration of the merge lane onto Saint-Charles Boulevard South at the Sainte-Marie Road East intersection

Reconfiguration of the merge lane onto Saint-Charles Boulevard South at the Sainte-Marie Road East intersection, starting June 29.

Clean Air Clear Water

Clean Air and Clear Water

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Applicable Regulations

Montreal’s Division du contrôle des rejets industriels is the department responsible for monitoring industrial discharges on the island of Montreal.  Its mandate is to ensure that air emissions and wastewater emanating from industrial and commercial sources are not prejudicial to public health, immovables, infrastructure, or to the environment in general.

This department is also responsible for enforcing water and air quality regulatory compliance on the territory of the Montreal Agglomeration.

Anyone who is inconvenienced by air pollutants such as odour emissions, smoke, fumes or dust, or who witnesses illicit dumping or other nuisances caused by the discharge of wastewater in the environment, is urged to officially register a complaint with Montreal authorities.

Making a Complaint

If you witness an infraction or a reprehensible act or practice that violates the by-laws on water and air quality in effect on the Montreal territory, please notify Montreal’s Division du contrôle des rejets industriels who will investigate and advise you of their findings.

By Phone (at anytime) : 514 280-4330

Online : Report an environmentally harmful event | Ville de Montréal

 

 

To report an environmental emergency requiring an immediate intervention, call 911. 

To learn more about what constitutes an environmental emergency, visit the Environmental Emergency page in the Public Security section under the tab Services to citizens, or click here