As used in this chapter, unless a different meaning clearly appears from the context:
(1) “County” means Kent County;
(2) “Revenue bonds” means bonds to the payment of which all or any part of the revenues derived from the operation of any water system are pledged in accordance with this chapter;
(3) “Service charges” means rents, rates, fees or other charges charged or collected under § 4509 of this title;
(4) “Water system” means all real and personal property necessary or useful in the collection, acquisition, treatment, purification and distribution of water, together with any principal or ancillary rights appurtenant thereto.