MO Water Wastewater Operator Practice Questions - Missouri Water And Wastewater Operator Certification Exam

What classification system does Missouri use for drinking water distribution operator certification?

Levels A, B, C, and D DS-I, DS-II, and DS-III with DS-III being highest Grade 1 through Grade 4 Distribution I and Distribution II only

Correct Answer:

DS-I, DS-II, and DS-III with DS-III being highest

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