Government and Municipalities of Québec

Polygons representing the land boundaries of Montreal Island.This third party metadata element was translated using an automated translation tool (Amazon Translate).

Data relating to the quality of water in the St. Lawrence River resulting from the special program planned and carried out by the Aquatic Environment Monitoring Network as part of the work that required the closure of the south-east interceptor in November 2015.This third party metadata element...

Polygons delimiting Montreal's electoral basins, i.e. basins presenting the sections served by the same voting location. Several [related data sets] (https://donnees.montreal.ca/search?q=tags:%C3%89lections) are available for the 2021 Montreal municipal election. More information on the 2021...

The Fleuve-Montagne Promenade is a 3.8 km pedestrian route that allows Montrealers and visitors to discover emblematic places in Montreal. The walk traces the pedestrian link between the two natural icons of Montreal, the Saint Lawrence River to the south and Mount Royal to the north, to...

The City of Montreal identified 350 green streets in 2019. A green alley is an alley that has been redeveloped by residents, with the assistance of a borough or eco-neighborhood. The redevelopment of an alley can bring about changes in car traffic: complete, partial or seasonal closure. Layouts...

This data set represents the interventions determined by the City of Montreal's Intervention Plan for the period 2023-2027. This planning, according to a division into unified sections (TU), includes both the infrastructure deficit and the maintenance needs during the period in question. The...

Location of free and paid parking lots available during snow removal operations. The data is also visible on the [Info-Neige MTL] application (https://montreal.ca/sujets/deneigement-des-trottoirs-et-des-rues).This third party metadata element was translated using an automated translation tool...

Polygons representing areas vulnerable to heavy rains, heat waves, destructive storms, droughts, and floods. Vulnerability corresponds to the propensity or predisposition of a system (community, infrastructure and natural environment) to suffer damage caused by the manifestation of a climatic...

Determination of the acute toxicity of river water collected in spring 2016 as part of the monitoring of the effects of the wastewater discharge resulting from the work carried out on the south-east interceptor. The main objective of this sampling program was to assess the toxicity of surface...

This data was collected in order to meet the regulation on the disclosure and rating of GHG emissions from large buildings. This includes any building of 2,000 m² or more belonging to the City of Montreal.

This data set contains reports of environmentally harmful events submitted to the Environmental Department.

This register allows citizens to find businesses that hold a valid annual permit that gives them the right to operate, under certain conditions, on the territory of the City. Adopted on September 27, 2021, the new By-law on the sale and use of pesticides (21-041) of the City of Montreal came into...

The main objective of this sampling program was to assess the actual effects of the spill on sediment quality by comparing the results of analyses of samples taken during and after the spill with those taken before. The distribution of the stations aimed to assess the impacts of the spill near...

This wastewater sampling campaign in the south-east interceptor aimed to determine the acute lethality and the physicochemical quality of the water discharged into the river without treatment during the work carried out on the south-east interceptor between 11 and 14 November 2015.

Physico-chemical quality of river water in spring 2016 as part of monitoring the effects of the wastewater discharge resulting from the work carried out on the south-east interceptor in November 2015. The main objective of this sampling program was to assess the quality of surface water several...

A [network of measurement stations located on the Island of Montreal] (http://donnees.montreal.ca/dataset/rsqa-liste-des-stations) allows the continuous determination of the atmospheric concentration of several pollutants. The data collected is transmitted by telemetry. The available values...

This data set shows the list of offenders for violations of regulations relating to emissions into the air and discharges into water or sewers, following statements of violation issued by the Department of the Environment.

It is forbidden to apply, for agricultural purposes, pesticides containing the herbicide atrazine or the insecticide chlorpyrifos, clothianidin, imidacloprid or thiamethoxam unless an agronomic justification has been obtained in advance (Pesticide Management Code, art. 74.1). The same applies to...

List of contaminated sites as provided for in section 31.68 of the Environment Quality Act. More information is available on the [City Portal] (https://montreal.ca/sujets/terrains-contamines). It is also possible to consult the data in the [directory of the Ministry of Sustainable Development,...

This set presents the annual mass balance of residual materials management for the agglomeration of Montreal.