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Wastewater Operator Certification License

The license information below is specific to the state of Minnesota.

This license applies to the following occupations:

Water and Wastewater Treatment Plant Operators


Varies from a minimum of one year to eight years of experience. Part of the experience may be substituted with education. Exams are given for Class A, Class B, Class C, and Class D facilities and for a type S (collection system) wastewater certificate.

Online Application.

Licensing Authority

Minnesota Pollution Control Agency

Phone: (651) 296-6300

Data is collected by the Department of Employment and Economic Development.


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