Drinking Water Operator Certification
Exam Information

• Water Supply System Operator Exam Application (PDF)
  
  
• Minnesota Water Operators Training Schedule
  (Includes information about exam dates and deadlines.)
  
  
• Exam Study Materials

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.