Lists of Current Certified OperatorsMunicipal 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. Certificates, other than temporary certificates, are issued for a period of not less than 36, nor more than 39 months.
Industrial/Commercial wastewater operator certification examinations are offered twice per year, usually in February and August. Certification is offered in 28 classifications, each being specific to a wastewater treatment process.List of Currently Certified Industrial / Commercial Wastewater Operators
Certification for stormwater operators is offered throughout the year by the MDEQ District Offices. Individuals interested in obtaining either Construction Site or Industrial Stormwater Operator Certification should visit the MDEQ Stormwater Web Page for training and examination information.