Section 9-723 - Rates and charges for water service, sewer upkeep, and sewer service(a) Subject to any charter provisions of a chartered county or municipal corporation, any political subdivision may establish reasonable rates for water service, and reasonable charges for sewer upkeep and sewer service to provide funds for: (1) Maintenance, repair, and operation of any water or sewerage system; and(2) Payment of all or part of the principal and interest on any indebtedness that is incurred to finance any water or sewerage system.(b) The rates and charges are chargeable against all property that is connected to any water or sewer pipe that the political subdivision owns or supervises.(c) Subject to any necessary modification and to the provisions of this section, the rates and charges shall be uniform throughout each water or sewerage district.