§ 51.012 LOCAL LIMITS.

   (A)   An industrial waste survey is required prior to a User discharging wastewater containing in excess of the following average discharge limits.

      BOD      250      mg/l

      TSS      250      mg/1

      TKN      40      mg/1

      NH3      25      mg/l

      Arsenic   0.003      mg/1

      Cadmium   0.003      mg/1

      Copper      0.061      mg/1

      Cyanide   0.015      mg/1

      Lead      0.049      mg/1

      Mercury   0.0003      mg/1

      Nickel      0.021      mg/1

      Silver      0.005      mg/1

      Chromium   0.05      mg/1 (total chromium)

      Zinc      0.175      mg/1

   (B)   Industrial waste survey information will be used to develop user-specific local limits when necessary to ensure that the POTW’s maximum allowable headworks loading is not exceeded for particular pollutants of concern. User-specific local limits for appropriate pollutants of concern shall be included in wastewater permits. The POTW Director may impose mass based limits in addition to, or in place of concentration based limits.

(Ord. passed 12-4-06; Am. Ord. passed 5-4-09; Am. Ord. passed 2-4-13)