Report an environmentally harmful event
Have you observed something that seems abnormal relating to air, a waterway or a sewer in Montréal? Do you think that suspicious emissions or discharges occurred? Let us know and we’ll take care of it.
Examples of things to report
- Unusual colour in a waterway
- Dead fish floating on the water surface
- Illegal discharges in a sewer or waterway
- Particles in the air
- Unusual smoke
- Odour of solvents in surrounding air
Contact 911 in case of grave injury, poisoning, smoke, fire or an emission that could require evacuation of people.
Submit a complaint
By phone
You will need to provide the following information:
- Your full contact information
- Name and address of the establishment or specific location of your observations
- Description of event
- Time, duration and frequency
- Unpleasant effects, if any
- Other organizations you have already notified about the situation.
Inspections
Air emissions
The City regularly inspects most establishments that generate atmospheric emissions. The frequency of inspection varies depending on:
- Risk and scale of emissions
- Toxicity of substances emitted
- Potential harm
Discharge into water or a sewer
Sampling of wastewater discharged into waterways and sewers is done regularly. This permits the determination of whether the company is respecting discharge standards.
During these inspections, particular attention is paid to the following:
- Effluent treatment systems
- Discharge prevention devices
- Respect for discharge permit and approval conditions
- Any new pollution source that could require improvements to pollution monitoring systems
Need help?
Contact us if you have questions.
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