RECIRCULATION SYSTEM

All pools must have a water recirculation system with treatment and filtration equipment consisting of overflow gutters or skimmers, main drains, inlets, pumps, piping, filters, water conditioning, disinfection equipment, and other accessory equipment. The pumps, filter, disinfectant and chemical feeders, and related appurtenances must be kept in operation at all times during the swimming season unless approved by the commissioner.