(A)   Discharge restrictions.  No person shall discharge, or cause to be discharged, to the wastewater system any substances, materials, waters, or wastes in quantities or concentrations that will:
      (1)   Create a fire or explosion hazard, including but not limited to, gasoline, benzene, naphtha, fuel oil, or other flammable or explosive liquid, solid, or gas;
      (2)   Cause corrosive damage or hazard to structures, equipment, or personnel of any wastewater system, and in no case will discharges be allowed with a pH lower than 6.5 or higher than 8.5;
      (3)   Cause obstruction to the flow in sewers, or other interference with the operation of the wastewater system due to any accumulation of solid or viscous materials;
      (4)   Constitute a rate of discharge or substantial deviation from normal rates of discharge (“slug discharge”) sufficient to cause interference in the operation and performance of the wastewater system;
      (5)   Contain heat in amounts that will accelerate the biodegradation of wastes, causing excessive amounts of hydrogen sulfide to form in the wastewater sewer, or inhibit biological activity in the wastewater treatment facilities, and in no case shall the discharge of heat cause the temperature in the sewer to exceed 66°C (150°F) or the temperature of the influent to the treatment facilities to exceed 40°C (104°F);
      (6)   Contain more than 100 milligrams per liter of oils or grease of petroleum, mineral, animal or vegetable origin, whether emulsified or not;
      (7)   Contain floatable oils, fat, grease, and the like;
      (8)   Contain noxious, malodorous gas, or substance in quantities that create a public nuisance or a hazard to life;
      (9)   Contain radioactive wastes in harmful quantities as defined by applicable state and federal guidelines;
      (10)   Contain any garbage that has not been properly shredded;
      (11)   Contain any odor- or color-producing substances exceeding concentration limits that may be established by the Manager and/or the NPDES permit.
      (12)   Condensate from air handling units, refrigeration equipment, cooling equipment and other such condensate shall not be discharged into the sanitary sewer system. Such condensate must he discharged to an approved location, including but not limited to, a storm drainage retention area, private on-site disposal or irrigation system. Condensate may not be discharged to an area where it will cause danger of personal injury or pose any hazard to the occupants of the facility.
      Existing systems.  Existing systems that discharge into the sanitary sewer may remain until the piece of equipment causing the discharge is replaced. Existing systems to be modified are also required to comply with the Existing Buildings Code as adopted by the Town.
   (B)   Toxic or poisonous discharges prohibited.  No discharge shall be allowed that contains toxic or poisonous substances, or any substances that may impact the Commission's ability to beneficially reuse its effluent or sludge.
   (C)   Establishment of limits.
      (1)   The Manager shall establish discharge restrictions, discharge limits, or pretreatment standards for nondomestic users in accordance with the specific requirements of this chapter, as necessary to protect the effluent and sludge for beneficial reuse.
      (2)   In lieu of concentration limits, the Manger may establish mass limits of comparable stringency for a nondomestic user.
   (D)   Nondomestic user.
      (1)   NONDOMESTIC USER shall include any facility that discharges wastewater containing toxic or poisonous substances, as defined in § 307 and § 502 of the Clean Water Act, or any substance(s) causing interference in the wastewater facilities.
      (2)   NONDOMESTIC USER shall include any nonresidential user who:
         (a)   Is subject to national categorical pretreatment standards; or
         (b)   Has a nondomestic flow of 25,000 gallons or more per average work day; or
         (c)   Contributes more than 5% of the average dry weather capacity of the wastewater facility; or
         (d)   Is determined by the state regulatory agency or the Manager to have the potential to adversely affect the wastewater facility.
   (E)   Discharge from ground water source heat pump prohibited.  No discharge shall be allowed from a ground water source heat pump.
('81 Code, § 51.6.02) (Ord. passed 4-19-93; Am. Ord. 11011, passed 2-8-11; Am Ord. 16099, passed 11-8-16) Penalty, see § 51.018