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

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 20:05 (UTC)
Created April 17, 2026, 20:05 (UTC)
contact_person {"en": "Environment, Conservation and Parks", "fr": "Environment, Conservation and Parks"}
criticality_level []
data_dictionary ["economy"]
geographic_scope []
open_canada_collection federated
open_canada_date_published 2020-01-11 00:00:00
open_canada_keywords {"en": ["Environment and Natural Resources", "Environment and energy", "EMRB", "water", "water quality", "equity"], "fr-t-en": ["Environnement et richesses naturelles", "Environnement et énergie", "DSE", "eau", "qualité d’eau", "équité"]}
open_canada_subject ["government_and_politics"]
sensitivity_level unrestricted
title_fr Réseau provincial de contrôle de la qualité de l’eau (ruisseau)
update_frequency P1Y