List of Licensed Laboratories
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.
Access data
List of Licensed LaboratoriesReport an issue with this data
Submit a report if you are experiencing issues with the data resources in this dataset.
Additional information
- Last updated
- February 2, 2026
- Created
- February 2, 2026
- Format
- text/csv
- File size
- unknown size
- Licence
- Open Government Licence – Ontario
- Name
- List of Licensed Laboratories
- Type
- Data
- Language
- French
- Data made public date
- January 27, 2026
Help us improve the Data Catalogue
Provide feedback about our data and how you’re using it.