(A) An industrial waste survey is required prior to a user discharging wastewater containing in excess of the following average discharge limits.
Pollutant | Limit (mg/l) |
Pollutant | Limit (mg/l) |
Arsenic | 0.003 |
BOD | 200.00 |
Cadmium | 0.003 |
Chromium (total chromium) | 0.020 |
Copper | 0.061 |
Cyanide | 0.005 |
Lead | 0.020 |
Mercury | 0.0002 |
NH3 | 25.00 |
Nickel | 0.021 |
Silver | 0.005 |
TSS | 200.00 |
Zinc | 0.175 |
(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.
(1996 Code, § 53.012) (Ord. passed 5-7-2007; Ord. passed 9-3-2013; Ord. passed 12-4-2017)