§ 53.050 APPLICATION OF SURCHARGE FOR CERTAIN WASTEWATER CONCENTRATIONS.
   (A)   A surcharge shall apply to all constituents and characteristics which singularly or in combination may damage structures, impair the operation of the wastewater treatment plant, interfere with the treatment process or impair the quality of the receiving stream or its tributaries including, but not limited to, the constituents and characteristics set forth in division (B) below, with maximum concentration set forth therein.
   (B)   Any person discharging wastewater with pollutants in excess of the following concentrations shall be subject to a surcharge as specified in the city's sewer rate ordinance.
      (1)   A BOD5 concentration in excess of 275 mg/1; or
      (2)   For COD (where BOD5 cannot be determined) (in excess of 550 mg/1); and
      (3)   A suspended solids concentration in excess of 275 mg/1.
(Ord. 599, passed 12-3-1984; Am. Ord. 1130, passed 11-30-2017)