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Map: Provincial (Stream) Water Quality Monitoring Network

Search for and view stream water chemistry data from sampling sites that are part of the Provincial (Stream) Water Quality Monitoring Network (PWQMN).

Full dataset is available in the Open Data Catalogue.

 
 
 
 
 

Related information

How to use a Ministry of the Environment, Conservation and Parks map

Technical documentation: Metadata record

Updated: January 10, 2024
Published: March 20, 2014

Ministry of the Environment, Conservation and Parks

The Ministry of the Environment, Conservation and Parks works to protect and sustain the quality of Ontario’s air, land, and water. We also coordinate Ontario’s actions on climate change in the name of healthier communities, ecological protection and economic prosperity.

Questions or comments

There are many ways to contact the Government of Ontario.

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