Billing for sewer service charges shall be due on the date shown on such bill, and at the option of the city such charges for sewage disposal system services may be billed on statement rendered for the payment of water bills, and if any bill is not paid by fifteen (15) days after the date on such bill, such bill shall be considered delinquent, and if the same becomes delinquent, five percent shall be added to the amount thereof as a penalty; provided , that in all cases the minimum penalty shall not be less than fifteen cents ($0.15). If such bill is not paid within twenty-five (25) days from the date the same becomes due, water service to such customer shall be discontinued and shall not be resumed until all past due bills for sewage disposal system service are paid in full, together with a termination charge of two dollars and fifty cents ($2.50) and a resumption charge of two dollars and fifty cents ($2.50). It shall be the duty of the representative of the city at the time in charge of collection of sewer service charges to notify the director of public utilities of all delinquencies under this section and such superintendent shall proceed immediately to disconnect the water service of any customer in arrears. (Ord. G-872 § 2, 2000: prior code § 9-402)