§ 51.046 WASTEWATER OF EXCESSIVE STRENGTH.
   (A)   Wastewater having a combined BOD5 and SS strength less than 450 mg/l shall be billed at the rates established by the town.
   (B)   Wastewater having a combined BOD5 and SS strength of 450 mg/l or greater shall be subject to a surcharge according to the following schedule.
 
mg/l
Cents/Gallon
450 to 549
5.0/1,000
550 to 649
10.0/1,000
650 to 749
15.0/1,000
750 to 849
20.0/1,000
850 to 949
25.0/1,000
950+
30.0/1,000
 
   (C)   The surcharge shall be adjusted annually based on the annual costs of wastewater treatment for suspended solids and the five-day biochemical oxygen demand for the previous year. The town shall have the authority to adjust the surcharge, within the limits prescribed herein and in conformance with applicable regulatory agency rules, regulations and guidelines that may now exist or may be promulgated relative to the subject.
      (1)   Wastewater discharges. It shall be unlawful for industrial wastewater dischargers to discharge sewage, industrial wastes or other wastes to any sewer within the jurisdiction of the town, or to the wastewater treatment plant without a permit issued by the town.
      (2)   Limitations of wastewater strength; national categorical pretreatment standards. National categorical pretreatment standards as promulgated by the U. S. Environmental Protection Agency (EPA) pursuant to the Act shall be met by applicable industrial source of the regulated industrial categories.
      (3)   State requirements. State requirements and limitations on discharges to the POTW shall be met by industrial source which are subject to these standards in any instance in which they are more stringent than federal requirements and limitations or those in this chapter or any applicable ordinance.
      (4)   Right of revision. The town reserves the right to amend this chapter utilizing appropriate Town Council processing to provide for more or less stringent limitations or requirements on discharges to the wastewater treatment plant where deemed necessary to comply with the objectives.
      (5)   Supplementary limitations.
         (a)   No discharger shall discharge wastewater containing concentrations of the following enumerated materials, exceeding the following values.
Materials
Maximum Daily Discharge Limitation (mg/l)
Materials
Maximum Daily Discharge Limitation (mg/l)
Cadmium
1.3
Chromium, total
12
Copper
10
Cyanide, amenable
1.0
Lead
9
Mercury
0.05
Methylene chloride
10
Nickel
12
Zinc
14
 
         (b)   The discharge of polychlorinated biphenols (PCBs) is expressly prohibited.
(1991 Code, § 50.26) Penalty, see § 51.999