(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/l |
NH
3 | 25 mg/l |
Arsenic | 0.003 mg/l |
Cadmium | 0.003 mg/l |
Chromium | 0.05 mg/l (total chromium) |
Copper | 0.061 mg/l |
Cyanide | 0.015 mg/l |
Lead | 0.049 mg/l |
Mercury | 0.0003 mg/l |
Nickel | 0.021 mg/l |
Silver | 0.005 mg/l |
Zinc | 0.175 mg/l |
(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 are 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 5-3-2007; Ord. passed 2-4-2013)