The web Browser you are currently using is unsupported, and some features of this site may not work as intended. Please update to a modern browser such as Chrome, Firefox or Edge to experience all features Michigan.gov has to offer.
Drinking Water Operator certification exam
Information to be announced.
Start: November 05, 2025 7:00 AM
End: November 05, 2025 10:00 PM
Information to be announced.
Additional training materials