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  • OTM/NN Exam Review (4 OTM/NN Credits)

    WI DNR Service Center 2514 Morse Street, Janesville, WI, United States

    Wisconsin Rural Water Association Presents  OTM/NN Water System Operator Certification Exam Review (4 OTM/NN  Credits) The room will open at 7:30 am with the class starting PROMPTLY at 8:00 am. The class will end at 12:00 pm. November 5, 2026 ~ Janesville - WI DNR Service Center, 2514 Morse St. Janesville, WI Attendees will learn ... OTM/NN Exam Review (4 OTM/NN Credits)