Government and Municipalities of Québec

The theme on physicochemical monitoring of rivers and rivers presents data from all the stations of the water quality monitoring networks in rivers in Quebec and the St. Lawrence River sampled between 2000 and 2020. The purpose of networks for monitoring general water quality is to characterize,...

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 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...

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 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...

Note that topographic maps at a scale of 1/100,000 are no longer updated. For the latest update date, see the [metadata] (ftp://transfert.mern.gouv.qc.ca/public/diffusion/RGQ/Documentation/BDAT/Metadonnees_BDAT100k_NordSud.xls). The reference cartographic data is now constituted according to a...

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...

This map illustrates the terrestrial and marine reliefs of Quebec and surrounding territories, at a scale of 1/2,000,000. Color ranges representing altitude classes and blending offer a summary of the relief and the major physiographic groups of Quebec. This map of the relief of Quebec is...

The Route Blanche is a snowmobile trail located on the Lower North Shore, constituting the only winter land link between Kegaska and Blanc-Sablon, thus bridging the road link between municipalities. The White Road is inventoried in the BGR system with the sub-route code “M”, as in this example:...

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 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 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...

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]...

Localization of warnings such as road and bridge closures or incidents preventing free passage on a road segment or structure.This third party metadata element was translated using an automated translation tool (Amazon Translate).

Linear network representing by colors the winter road conditions on the segments of roads and highways managed by the Ministry of Transport and Sustainable Mobility (MTMD), as well as the visibility and presence of snow blades on them. Winter road conditions are updated once a day from October 15...

The Hydrogeological Information System (HIS) contains the physical characteristics of wells, mainly from drilling reports submitted by well drillers for groundwater sampling installations serving private drinking water residences.This third party metadata element was translated using an automated...

Linear network representing the estimated traffic flows for roads and highways managed by the Ministry of Transport and Sustainable Mobility (MTMD). These flows are obtained using a statistical estimation method applied to data from more than 4,500 collection sites spread over the main roads of...

Linear location of drainage pipes under the responsibility of the Ministry of Transport and Sustainable Mobility (MTMD). Inventory item of a transverse type or pipe connecting to the ditch, whose diameter is more than 30 cm and less than 3 m.This third party metadata element was translated using...

Data on the depth of freezing and thawing in road pavements managed by the Ministry of Transport and Sustainable Mobility (MTMD). Since the 2008-2009 winter period, these data have been calculated using temperature measurements recorded by weather stations located on the Quebec road network. In...

The classified network (Highway, National, Regional, Collector, Collector, Local 1-2-3, Local 1-2-3, Access to resources and isolated locations) whose management is the responsibility of the Ministry of Transport and Sustainable Mobility (MTMD). Some roads are under federal management or under...