There is created a special fund of the city to be known as the “drainage fund.” Any and all charges, assessments, and revenues received for drainage purposes, or from any rental, use, services or sale of property attributable to the operation and management of such utility, shall be credited to and paid into such fund. (Ord. 1461 § 1 (Exh. 1), 2018; Ord. 1405 § 1 (Exh. 1), 2015; Ord. 1189 § 2, 2006; Ord. 563 § 1, 1981).