Government and Municipalities of Québec

This theme represents the limit of the Quebec territory of the Agreement on Sustainable Water Resources of the Great Lakes and St. Lawrence River Basin. It was generated from the grouping of watersheds at a cartographic scale of 1:20,000. For more information:...

This thematic layer represents the characterization of the hardness of surface water in Quebec for the period 2005 to 2019. The hardness is presented according to the medians calculated from the concentrations of calcium and magnesium ions in seven classes. Water hardness influences the toxicity...

Adresses Quebec is a road geobase that covers all of Quebec. It offers a complete road network including official names, addresses by slices and points, information for route management, postal codes (MOs) and a cartographic context. The user guide is available at [next link]...

This theme presents the location of samples of contaminants of emerging interest (CIE) carried out by the Directorate-General for Monitoring the State of the Environment (DGSEE) as part of its work since 2000. Each station is accompanied by a link in the attribute table allowing the reader to...

This theme includes data from all metal monitoring stations in the waters of rivers in Quebec and the St. Lawrence River since 2008. It includes the stations of the “Special Metals” tour, the stations of Réseau-Fleuve and Réseau-Rivières as well as the stations of the “Grand Nord” project.This...

This theme, which lists more than 1,300 fishing sites in Quebec and nearly forty fish species, provides information on the consumption of sport fishing fish according to species and their size. The number of meals is determined on a monthly basis by calculating that one meal is equivalent to a...

Since 1 March 2022, the Special Intervention Zones (ZIS) have been lifted. However, the territory flooded during the exceptional spring floods of 2017 and 2019, as illustrated in Annex 2 adjusted to Decree 814-2019, is considered by the Regulation concerning the provisional implementation of the...

The 2023 mapping of potential wetlands in Quebec (CMHPQ) 2023, released by the Directorate of Ecological Knowledge (DCE), provides up-to-date information on the potential presence of wetlands for the entire province of Quebec. In particular, version 2023 contains the classification of potentially...

This theme presents observations of invasive exotic species (IEE) transmitted and validated using the Sentinel tool, an IEE detection system. An invasive exotic species is a plant, animal, or microorganism (virus, bacteria, or fungus) that is introduced outside of its natural range. Its...

Data on flood zones include mapping carried out as part of the mapping program of the Canada-Quebec Convention from 1976 to 2001, the Program for the determination of flood ratings from 2001 to 2004 (PDCC), as well as the mapping carried out after that date by the Centre d'expertise du Québec...

Under the Regulation Respecting the Mandatory Reporting of Certain Contaminant Emissions into the Atmosphere (RDOECA), the Ministry of the Environment, the Fight against Climate Change, Wildlife and Parks collects data on greenhouse gases (GHGs) emitted by Quebec businesses in particular. Thus,...

The layers of administrative divisions offered at the scales of 1/20,000 and 1/100,000 allow the location of boundaries for the following components: * Boroughs and agglomerations; * Municipalities, unorganized territories and indigenous territories; * Administrative regions, metropolitan...

This theme presents the trophic status of lakes monitored as part of the Voluntary Lake Monitoring Network (RSVL) between 2004 and 2020. The trophic state is the result of the compilation of data acquired as part of this network. Trophic levels are used to classify lakes according to their degree...

The GTC System makes it possible to compile information on the records of land contaminated by industrial and commercial activities or by accidental spills. This is not an exhaustive inventory, but a compilation of cases brought to the attention of the Department. It also includes information on...

Location and identification of the 6 integrated water management zones of the St. Lawrence in southern Quebec.This third party metadata element was translated using an automated translation tool (Amazon Translate).

These themes present the compilation of protected areas in Quebec. They also include important territories. Protected areas include a variety of different legal or administrative designations. Territories registered on the Register of Protected Areas must meet the definition of protected area...

Data on recreational areas in Quebec are compiled from official technical plans and descriptions, and entered on topographic maps at a scale of 1/100,000. Data is generally updated once a year. Main components: * Community Wildlife Areas (CFAs); * Special Agreements with Aboriginal People; *...

This theme presents the index of water health along the banks of the St. Lawrence River. It makes it possible to determine if the sites present risks to human health and if they are suitable for swimming. These data are the result of an exploratory monitoring program that aims to raise awareness...

This layer shows the location of the sampled stations classified according to the Eastern Canada Diatom Index (IDEC). It contains data obtained since 1935 that was converted to version 3 of the index (Lavoie et al. 2014). Benthic diatoms are microscopic unicellular algae that line the bottom of...

Under the Regulation respecting the mandatory reporting of certain emissions of contaminants into the atmosphere (RDOECA), the Ministry of the Environment and the Fight against Climate Change collects data on air contaminants emitted by Quebec companies in particular. Thus, any person or...