Provincial (Stream) Water Quality Monitoring Network

Provincial (Stream) Water Quality Monitoring Network is an open dataset from Government of Ontario with 22 files (CSV, XLSX, HTML, PDF); catalogue record updated 2026-09-30. On CanQuery you can open 18 CSV or Excel files as tables, filter, chart and export up to 10,000 rows as CSV and follow the original downloads. Files are available in English and French.

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

2026-09-30