Report fraud and other complaints: MDH Complaints and Allegations Form
Drinking Water Operator Certification Certification Frequently Asked Questions
Water Operator Certification and Training
Central District Water Operators School
Water Supply Systems and Wastewater Treatment Facilities Advisory Council
Waterline: Winter 2020-2021
Drinking Water Operator Certification Criteria for Approval of Water and Wastewater Courses (May 2005)
Drinking Water Operator Certification Contract Operating Information
Waterline: Winter 2021-2022
Drinking Water Operator Certification Exam Information
Waterline: Spring 2022
