Total Active Wastewater Treatment and Wastewater Collection Licences

Total Active Wastewater Treatment and Wastewater Collection Licences is an open dataset from Government of Ontario with 5 files (HTML, PDF, XLSX); catalogue record updated 2026-10-07. On CanQuery you can open its CSV or Excel file as a table, filter, chart and export up to 10,000 rows as CSV and follow the original downloads. Files are available in English and French.

This dataset provides a count of the number of wastewater operator licences held in Ontario. • Municipal wastewater facilities and non-municipal domestic wastewater facilities that discharge to a watercourse must employ licenced wastewater operators. • Wastewater operators require licencing under O. Reg. 129/04 to operate There are two types of wastewater operator licence: o Wastewater treatment o Wastewater collection • Wastewater licences range from operator-in-training (OIT) through Class 1-4. The higher the class of licence, the more education and experience required More information on wastewater operator licencing can be found in the Licensing Guide for Wastewater Operators | ontario.ca

Publisher

Government of Ontario

Resources

5

Catalogue metadata updated

2026-10-07