Bills for the usage of sewerage services shall be rendered monthly and all water meters shall be read monthly where such meter readings are used as a basis for the charges and rates. If payment of any bill for the usage of sewerage services is not made on or before the fifteenth day of the month following the period for which such services are rendered, a delayed payment charge in the amount of five percent of the amount of the bill rendered shall be imposed and shall be collected as part of the monthly charge for usage of sewerage services. If such bills for the usage of sewerage services are not paid by the fifteenth day of the month subsequent to their rendition, such charges shall be deemed and are hereby declared to be delinquent and shall thereafter be considered the same as a delinquent water bill and shall be handled in a similar manner as now provided for collection of such delinquent water bill. (Ord. 1168 § 1, 1993: prior code § 38-4-10) 13.20.100