List of Laboratories Licensed to Perform Drinking Water Testing in Ontario
The Ministry of the Environment, Conservation and Parks provides a list of laboratories licensed to perform drinking water tests in Ontario. Prior to submitting samples please contact the licensed laboratory to determine if samples will be accepted. Some laboratories will not accept samples from external clients. The full, up-to-date list can be found at the link below.
List of Licensed Laboratories
WCWC has assembled an interactive map to assist with finding a laboratory based on the type of sample being analyzed and geographic location. Different layers on the map show locations that can test for microbiological, organic chemical, inorganic chemical, radiological or physical parameters. This map was prepared from the list updated online as of June 8, 2022. This map can be viewed below.
List of Laboratories Licensed to Perform Drinking Water Testing in Ontario map
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