(1) “County” means New Castle County.

(2) “Revenue bonds” means bonds to the payment of which all or any part of the revenues derived from the operation of any sewerage system are pledged in accordance with this chapter.

(3) “Service charges” means rents, rates, fees or other charges charged or collected under § 2209 of this title.

(4) “Sewerage system” means the plants, structures and other real and personal property acquired, constructed or operated or to be acquired, constructed or operated by the County for the collection, treatment, purification or disposal in a sanitary manner of any sewage, liquid or solid wastes, night soil or industrial wastes, garbage and storm water, including sewers, conduits, pipelines, mains, pumping and ventilating stations, sewage treatment or disposal systems, plants and works, connections, and outfalls, and other plants, structures, boats, conveyances, and other real and personal property, and rights therein, and appurtenances necessary or useful and convenient for such purposes.