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Regional Watershed Monitoring Program Water Quality Data

Water Quality Data from monthly grab samples collected across the Toronto and Region Conservation Authority’s (TRCA) jurisdiction. Samples are collected monthly following the Provincial Water Quality Monitoring Network (PWQMN) protocol and are analyzed at various private and partner laboratories. Parameters include nutrients, general chemistry, and selected metals.

Data and Resources

Additional Info

Field Value
Source TRCA
Author Jason Tam
Maintainer Lyndsay Carwright
Version 2.1
Last Updated Haziran 27, 2025, 16:12 (UTC)
Created Haziran 3, 2022, 16:11 (UTC)