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Scheduled Exams

Municipal Wastewater

Municipal wastewater certification examinations are offered twice a year, usually in May and November. Certification is offered for Class A, B, C, D, L1, L2, and SC.

For application and more information please visit Municipal Wastewater Treatment Plant Operator Certification (michigan.gov).

Industrial Wastewater

Industrial/Commercial Wastewater Certification Examinations are offered twice a year in August and February.

For application and more information please visit Industrial/Commercial Wastewater Treatment Plant Operator Certification (michigan.gov).

If you have any questions or concerns, please contact WRD's Licensing and Technology Support Unit staff: