(A) The following pollutant limits are established to protect against pass through and interference. No person shall discharge wastewater containing in excess of the following maximum allowable discharge limits.
MAXIMUM DAILY CONCENTRATION |
MAXIMUM DAILY CONCENTRATION | |
1.0 mg/l | total aluminum |
0.03 mg/l | total arsenic |
0.04 mg/L | total cadmium |
1.5 mg/l | total chromium |
680 mg/L | total chlorides |
0.4 mg/L | total copper |
0.05 mg/L | total cyanide |
0.4 mg/L | total hexavalent chromium |
10.0 mg/l | total iron |
0.25 mg/L | total lead |
0.000009 mg/L | total mercury |
0.04 mg/L | molybdenum |
0.04 mg/L | total nickel |
0.05 mg/L | total selenium |
0.25 mg/l | total silver |
0,5 mg/l | total phenols |
0.5 | total zinc |
(B) Total toxic organics (TTOs). Limits for those parameters on any TTO list from 40 C.F.R. 405-471 will be considered on an individual case by case basis by the Board of Public Works. The Board shall consider such factors including but not limited to: concentration, loading, flow to the wastewater treatment plant and other consideration necessary to prevent pass through and protect the POTW.
(C) Any wastewater containing in excess of 200 mg/l of CBOD5 or 225 mg/l total suspended solids or 20 mg/l ammonia-N or 500 mg/l chemical oxygen demand or 10 mg/l total phosphorous will be surcharged as high strength wastewater. Surcharges may be for CBOD5 or COD, but not for both. The issuance of surcharges for treating high strength wastewater shall not be construed as acceptance of high strength wastewaters for treatment by the City of Butler. The City of Butler reserves the right and authority to prohibit the discharge of high strength wastewater when such wastewaters cause or are reasonably expected to cause POTW upsets, overloading or damage to the sewer collection system.
(D) The local limits apply at the point where the wastewater is discharged into the public sewer. The Board may impose mass limitations in addition to, or in place of, the concentration-based limitations above.
(Ord. 1476, passed 6-18-07; Am. Ord. 1520, passed 3-1-10; Am. Ord. 1639, passed 12-19-16; Am. Ord. 1751, passed 2-21-22) Penalty, see § 52.999