Water quality in Canadian rivers – Trends in water quality, Canada
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 parameters in a river are very rarely exceed their guidelines. Conversely, water quality is rated poor when parameters usually exceed 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.
Supplemental Information
Canadian Environmental Sustainability Indicators - Home page:
- Publisher - Current Organization Name: Environment and Climate Change Canada
- Licence: Open Government Licence - Canada
Data and Resources
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Data table – English (CSV; 896 B)CSVEnglish dataset CSV
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Data table – French (CSV; 1.21 kB)CSVFrench dataset CSV
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Data Sources and MethodsHTMLEnglish guide HTML
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Data Sources and MethodsHTMLFrench guide HTML
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Water quality in Canadian rivers – EnglishHTMLEnglish website HTML
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Water quality in Canadian rivers – FrenchHTMLFrench website HTML