Description

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Water quality in Canadian rivers indicators provide a measure of the ability of river water across Canada to support plants and animals. At each monitoring site, water quality data are compared to water quality guidelines to create a rating for the site. If measured water quality is below the guidelines, it can maintain a healthy ecosystem. Water quality at a monitoring site is considered excellent when substances in a river are very rarely measured above their guidelines. Conversely, water quality is rated poor when measurements are usually above their guidelines, sometimes by a wide margin. These indicators provide information about the state of surface water quality and its change through time, to support water resource management. Information is provided to Canadians in a number of formats including: static and interactive maps, charts and graphs, HTML and CSV data tables and downloadable reports. See the supplementary documentation for the data sources and details on how the data were collected and how the indicator was calculated. Canadian Environmental Sustainability Indicators - Home page: https://www.canada.ca/environmental-indicators

Resources

Name	Format	Description	Link
Interactive indicator map – French	HTML		https://carte-indicateurs.canada.ca/App/CESI_ICDE?keys=Water_Quality&GoCTemplateCulture=fr-CA
Interactive indicator map – English	HTML		https://indicators-map.canada.ca/App/CESI_ICDE?keys=Water_Quality&GoCTemplateCulture=en-CA
Water quality at monitoring sites – English (CSV; 139 kB)	CSV		https://indicators-map.canada.ca/CSVs/en/Water%20quality%20at%20monitoring%20sites%20-%202024.csv
Water quality at monitoring sites – French (CSV; 139 kB)	CSV		https://indicators-map.canada.ca/CSVs/fr/Qualit%C3%A9%20de%20leau%20aux%20sites%20de%20suivi%20-%202024.csv
Water quality at monitoring sites – English (GeoJSON; 27 kB)	GeoJSON		https://indicators-map.canada.ca/historic/english/Water_Quality_2024.zip
Water quality at monitoring sites – French (GeoJSON; 27 kB)	GeoJSON		https://indicators-map.canada.ca/historic/french/Water_Quality_2024.zip
Water quality at monitoring sites, Canada – English (REST)	Ersi REST		https://maps-cartes.ec.gc.ca/arcgis/rest/services/CESI/MapServer/5
Water quality at monitoring sites, Canada – French (REST)	Ersi REST		https://maps-cartes.ec.gc.ca/arcgis/rest/services/ICDE/MapServer/5
Water quality at monitoring sites, Canada – English (WMS)	WMS		https://maps-cartes.ec.gc.ca/arcgis/services/CESI/MapServer/WMSServer?request=GetCapabilities&service=WMS&legend_format=image/png&feature_info_type=text/html&layers=30
Water quality at monitoring sites, Canada – French (WMS)	WMS		https://maps-cartes.ec.gc.ca/arcgis/services/ICDE/MapServer/WMSServer?request=GetCapabilities&service=WMS&legend_format=image/png&feature_info_type=text/html&layers=32
Water quality in Canadian rivers – English	HTML		https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/water-quality-canadian-rivers.html
Data sources and methods – English	HTML		https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/water-quality-canadian-rivers.html#DSM
Water quality in Canadian rivers – French	HTML		https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/qualite-eau-cours-eau-canadiens.html
Data sources and methods – French	HTML		https://www.canada.ca/fr/environnement-changement-climatique/services/indicateurs-environnementaux/qualite-eau-cours-eau-canadiens.html#DSM

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