The following pollutants shall not be introduced into a POTW by any person or user:
(A) Any water or wastes containing toxic or poisonous solids, liquids, gases, vapors, or dissolved gases (such as hydrogen sulfide, sulfur oxides and ammonia), or fumes, in concentrations either singly or by interaction with other wastes, to injure or interfere with any water resource recovery process, constitute a hazard to humans or animals, cause acute worker health and safety problems or create any hazard in the receiving waters of the Water Resource Recovery Facility.
(B) As required by 40 CFR 405(b)(1), no person shall discharge pollutants which will create a fire or explosion hazard in the POTW, including, but not limited to, wastestreams with a closed-cup flashpoint of less than one hundred forty degrees (140°) F or sixty degrees (60°) C using the test methods specified in 40 CFR 261.21.
(C) Discharges containing pollutants having a pH lower than 6.0 or higher than 9.0, or which will cause corrosive structural damage to the POTW, equipment or personnel, of the POTW unless the works are specifically designed to accommodate such discharges.
(D) Solid or viscous pollutants in quantities or of such size capable of causing obstruction to the flow in sewers, or resulting in interference with the proper operation of the sewage works.
(E) Any pollutant, including oxygen demanding pollutants (BOD, etc.), including, but not limited to, ashes, cinders, sand, inorganic materials, asphaltic materials, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, unground garbage, paunch manure, lime slurry, lime residue, beer or distillery spent grains, chemical residues, cannery wastes or bulk solids, hair, whole blood, and fleshings, entrails and paper dishes, cups, and milk containers, either whole or ground by garbagegrinders, released in a discharge at a flow rate and/or pollutant concentration which will cause interference with the POTW.
(F) Heat in amounts which will inhibit biological activity in the POTW resulting in interference, but in no case heat in such quantities that the temperature at the POTW water resource recovery facility exceeds forty degrees (40°) C (one hundred four degrees (104°) F) unless the approval authority, upon request of the POTW, approves alternate temperature limits.
(G) Any water or waste containing hydrocarbon-based oil and grease, nonbiodegradable cutting oil, or products of mineral oil origin whether emulsified or not, in excess of fifty (50) mg/l or containing substances which may solidify or become viscous at temperatures between thirty-two degrees (32°) and one hundred fifty degrees (150°) F (zero degrees (0°) and sixty-five degrees (65°) C). No industrial user shall discharge total oil and grease over one hundred (100) mg/l. Any user of the WRRF found in violation of this provision will be charged with a violation and fined one thousand dollars ($1,000). Each day the violation continues will constitute a separate violation.
(H) Discharges of trucked or hauled pollutants, except at discharge points designated by the POTW.
(I) Dilution. Except where expressly authorized, no user shall ever increase the use of process water or, in any way, attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with the limitations contained in the federal pretreatment standards, or in any pollutant specific limitation developed by the Murray Sewer System or the state, 40 CFR Part 403.5.
(Ord. 2024-1867, passed 7-11-24)