Certificate required

(a) General requirement. The following shall hold certifications issued under the Act and this Chapter: (1) All persons who make decisions regarding the daily operational activities of: (A) a public water system, water treatment facility, and/or distribution system that will directly impact the quality and/or quantity of drinking water, including a nontransient noncommunity non-transient non-community water system; or (B) a wastewater system, wastewater treatment facility, and/or collection system. (2) All persons who program or maintain telemetry/SCADA systems andor also make process control/system integrity decisions. (3) All laboratory operators who are in general supervision of waterworks/wastewater works laboratory control tests. (b) Exceptions. The following exceptions apply: (1) Plumbers and contractors. Plumbers licensed by the Construction Industries Board and contractors working under the general supervision of such plumbers are not required to obtain certification for construction, maintenance, or renovation of water/wastewater works systems. Such plumbers may also make connections to public water systems or lines or sewer systems or lines. All work performed shall be supervised and inspected by the responsible entity to ensure compliance with the Safe Drinking Water Act, OAC 252:626; and OAC 252:656 and 27A O.S. § 2-6-101 et seq. (2) NoncommunityNon-community and minor systems. Noncommunity Non_community or minor systems are not required to have certified operators unless warranted by the complexity determined by DEQ. (3) Small public sewage systems. Non-industrial wastewater treatment works which have an average flow of five thousand (5,000) gallons per day or less are not required to have certified operators. (4) Populations of 1,500 or less. For laboratory operators of distribution/collection systems 11 or chlorinated groundwater systems serving populations of 1,500 or less where chlorination is used only for disinfection or total retention lagoons serving populations of less than 1,500, laboratory operator certification is not required. If DEQ determines that additional tests which mustshall be performed by a certified laboratory operator are necessary, the laboratory operator mustshall obtain the applicable certification or use the services of an associated laboratory.