List of Licensed Laboratories

List of Licensed Laboratories is an open dataset from Government of Ontario with 4 files (CSV, HTML); catalogue record updated 2026-07-29. On CanQuery you can open 2 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.

This is a list of licensed and out-of-province eligible laboratories that can test Ontario drinking water. Prior to submitting samples, please contact the licensed laboratory to determine if samples will be accepted.

Publisher
Government of Ontario
Resources
4
Catalogue metadata updated
2026-07-29

Data overview

Formats
CSV, HTML
File languages
English, French
Available actions
2 loadable resources

Official sources and licences

Resources

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