(A) An industrial waste survey is required prior to a user discharging wastewater containing in excess of the following daily average discharge limits:
250 mg/l | BOD |
250 mg/l | TSS |
25 mg/l | Ammonia NH3 |
0.005 mg/1 | Arsenic |
0.005 mg/1 | Cadmium |
0.05 mg/l | Chromium (Total Chromium) |
0.06 mg/1 | Copper |
0.01 mg/1 | Cyanide |
0.05 mg/l | Lead |
0.0002 mg/l | Mercury |
0.02 mg/1 | Nickel |
0.005 mg/l | Silver |
0.17 mg/1 | Zinc |
100 mg/1 | Oil & Grease |
(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, the concentration-based limits.
(Ord. 5-03, passed 5-15-03; Am. Ord. 10 ORD 02-08, passed 2-7-08; Am. Ord. 31 ORD 12-12, passed 12-6-12)