Sec. 162 Recommendation and establishment of rates; discrimination prohibited.
   The Mayor shall recommend to the Council from time to time such just and reasonable rates and other charges as may be deemed advisable for supplying the inhabitants of the City and others with such public utility services as the City may provide, and the Council shall fix such rates and charges by resolution. There shall be no discrimination in such rates within any classification of users thereof, nor shall free service be permitted. Higher rates may be charged for service outside the corporate limits of the City.