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Large Water and Wastewater Systems Operator

Notice Concerning Exams

Online ABC Exams

All the online testing centers have reopened but in a limited capacity and appointments are necessary.
Closure notice:
  • None

The reopening of the testing centers is subject to change depending on the course of the COVID-19 pandemic.
There will be social distancing and other safety requirements in place at the testing centers. Be sure to contact the testing center ahead of time and learn about their examinee requirements before going in to take your test.

Paper-Based ABC Exams

Paper-based exams may be available to be administered in some rural communities. Please contact the Operator Certification Program for availability.

Water Treatment Provisional, 1, 2, 3, 4
Water Distribution Provisional, 1, 2, 3, 4
Wastewater Treatment Provisional, 1, 2, 3, 4
Wastewater Stabilization Pond
Wastewater Collection Provisional, 1, 2, 3, 4



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