In Kansas, state law requires that all water supply systems and wastewater treatment facilities are supervised by a certified water operator. Kansas Department of Health and Environment is responsible for administering Water Supply and Wastewater Treatment Operator certifications, which include certifying examinations. Within both certification programs, operators can be certified at five different classes: Small Systems (“base level”), Class 1, Class 2, Class 3, and Class 4. Kansas regulatio...
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