Canadian river water quality data from the CESI program tracks the ability of water to support plants and animals. Water quality at each monitoring site is rated by comparing measured data to environmental guidelines, providing information on the state and change of surface water quality. The data is provided by Environment and Climate Change Canada in formats including CSV, GeoJSON, and interactive maps.
Use Cases
- Track changes in river ecosystem health over time based on water quality ratings.
- Support water resource management decisions based on site-specific water quality assessments.
- Analyze spatial patterns of water quality across Canada based on monitoring site locations.
- Compare measured substance concentrations to environmental guidelines for regulatory compliance.
Strengths
- Data is part of the official Canadian Environmental Sustainability Indicators (CESI) program.
- Available in multiple formats including CSV, GeoJSON, and ESRI REST for different analysis needs.
- Provides a calculated water quality rating for each monitoring site based on guideline comparisons.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Last updated 2026-05-22 19:00:51.057567; freshness should be verified.
Provenance
- Source
- Environment and Climate Change Canada
- Collection Method
- Water quality data collected at monitoring sites and compared to guidelines to create ratings.
- Freshness
- Last updated 2026-05-22 19:00:51.057567
- Geography
- Canada