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FAQ: Drinking Water Operator Certification

drinking water operator in a room of computers
Environment, Great Lakes, and Energy

FAQ: Drinking Water Operator Certification

The Drinking Water Operator Training and Certification Unit (OTCU) certifies and supports nearly 5,000 drinking water operators across Michigan. The program provides training opportunities, administers certification exams, and manages renewals to ensure operators meet professional standards, maintain competency, and comply with continuing education requirements.

  • How do I find where to take approved CECs to renew my license?

    Continuing Education Credits are required to renew any type of license. The amount needed changes per level of certification. These classes must be approved in order to count towards renewing your license. For more information, reach out to EGLE-OTCU-Training@Michigan.gov

  • How do I reschedule my Drinking Water Operator Certification exam?

    We do not offer to reschedule certification exams. There are no refunds for examinations once they have been submitted to us. The fee is used as a processing fee.

  • Where are my Drinking Water Operator Certification exam results?

    Results will be posted on the Online Exam Results webpage. To view your results, you must have the Exam ID card you were given the day of the exam. The Exam ID number on the card is what you will use to look up your results. If you do not have the Exam ID card you will need to wait to receive your results in the mail.


  • How can I get an invoice for my Drinking Water Operator Certification payment?

    We do not issue invoices for certification payments. The exam applications explicitly call out the pricing and receipts are given from our credit card payment site. We will get additional receipts if requested.

  • Can I get a copy of my Drinking Water Operator license?

    Please contact Drinking Certification staff for further information concerning copies of licenses.

  • Can you get a Drinking Water Operator license with a criminal record?

    Yes, you can obtain a drinking water license with a Criminal record if you meet the working experience requirements and education level. The State of Michigan currently has no laws restricting individuals with criminal records from obtaining these licenses.