Total Active Wastewater Treatment and Wastewater Collection Licences (English, XLSX)

Total Active Wastewater Treatment and Wastewater Collection Licences: English XLSX file you can open as a table, filter, chart and export up to 10,000 rows. From Government of Ontario, updated Oct 2026.

Format

XLSX

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Table on demand (prepared when opened)

Publisher-reported update

2026-10-07

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

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