Ontario has adopted ABC standardized exams for:
Water Treatment and Water Distribution and Supply (Class 1 to 4)
Wastewater Treatment and Wastewater Collection (Class 1 to 4)
The water quality analyst, water distribution, limited subsystem and operator-in-training exams continue to use current Ontario exam content.
New Study Guides available for Class 1 – 4 Drinking water examinations
For those writing Class 1 – 4 drinking water examinations after July 1st, 2019, new American Water Works Association study guides are now available. Please find the link to the new Study Manual Order Form below. *Please note that the pricing of many guides has changed. New pricing will be applied to orders received after 5:00PM on June 13, 2019.