Drinking Water Operator Certification
- Water Supply System Operator Exam Application (PDF: 75KB/4 pages)
- Minnesota Water Operators Training Schedule
(Includes information about exam dates and deadlines.)
- Exam References
To receive a Class D or E study guide, contact Noel Hansen, 651-201-4690. Indicate which class of license you are studying for. Follow the Exam References link above for more exam study information.