MT DEQ Operator Certification Exam resources and study materials

In Montana, all drinking water treatment plants, wastewater treatment plants, or water distribution systems must be operated under the supervision of a fully certified operator to ensure the proper management, operation, and maintenance of the system. DEQ administers both the water and wastewater operator certification programs and provides testing and program information services to ensure comprehensive, ongoing training is provided to Montana’s water and wastewater operator community.

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