Start your journey to certification today.

Explore our site to learn about operator licensing and certification under Ontario Regulations 128/04, 129/04, and 170/03.

Start your journey to certification today.

Explore our site to learn about operator licensing and certification under Ontario Regulations 128/04, 129/04, and 170/03.

E-forms Update

Exciting news! Our enhanced e-forms continue to roll out, with the Exam Application featuring online payment launching on November 1, 2023.

Resources

https://owwco.ca/wp-content/uploads/2023/09/Open_Well_Video_Web.jpg
Visit our careers page for more information in the water/wastewater industry.
MCES plant operator Thatee Yang inspects equipment at the Metro Plant Solids Management Building in Saint Paul
View a complete listing of examination dates and locations.
Wastewater treatment plant. Reservoir for purification of sewage.
View a complete listing of fees for all applications.

Latest news

Water Professional International Survey

Water Professionals International (formerly ABC) is inviting wastewater treatment and collection operators to participate in Job Analysis surveys. Complete the survey by June 9, 2023, to be entered into a draw for a chance to win a gift card, with the top prize being worth $1000! Have your say, help keep the exams topical, and earn a shot at a prize!

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