Provincial (Stream) Water Quality Monitoring Network

Provides stream water quality monitoring data for a number of parameters, including total and dissolved nutrients, metals, and chloride. The Provincial (Stream) Water Quality Monitoring Network (PWQMN) measures water quality in rivers and streams across Ontario. This dataset provides stream water quality monitoring data for a number of parameters, including total and dissolved nutrients, metals, and chloride. Spatial information for stream monitoring locations across Ontario are also available. Keywords: Streamwater, Nutrients, Fresh Water Stream Water Quality Map

Publisher

Government of Ontario

Resources

22

Catalogue metadata updated

2026-08-19