Classes of certifications

(a) Certifications required. Waterworks and wastewater works operator certifications are categorized into classes based on experience and training, as specified in Appendix B. Any facility subject to these rules shall be operated under the direct supervision of an appropriately certified 12 operator in responsible charge. (b) Operator(s) in responsible charge. The manager/superintendent/operator(s) in responsible charge mustshall hold a valid certification equal to or higher than the classification of the water/wastewater system being operated, including each treatment facility and/or distribution/collection system. (c) Assistant superintendents or assistant supervisors. Assistant superintendents, assistant supervisors, shift leaders, and all other supervisors shall be certified at the same class as or one class lower than the facility for which they are responsible. (d) Others. All other persons who make decisions regarding the daily operational activities of a waterworks or wastewater works facility, including decisions directly impacting the quality and/or quantity of drinking water, programming or maintaining telemetry/SCADA systems, and process control or system integrity decisions, shall be certified at the same class as or one class lower than the facility for which they are responsible.