(A) General prohibitions. No user shall contribute, introduce or cause to be introduced, discharge or cause to be discharged, directly or indirectly, any of the following described substances into the wastewater disposal system, the POTW or otherwise to the facilities of the District which causes pass through or interference. These prohibitions apply to all users of the POTW whether or not they are subject to categorical pretreatment standards or any other national, state, or local pretreatment standards or requirements.
(B) Specific prohibitions. No user shall contribute, introduce, cause to be introduced, discharge or cause to be discharged, directly or indirectly, any of the following described substances into the wastewater disposal system, the POTW or otherwise to the facilities of the District.
(1) Any pollutant which by reason of its nature or quantity is, or may be, sufficient either alone or by interaction to cause fire or explosion or be injurious in any way to the operation of the POTW. This prohibition shall include any wastestream with a closed cup flashpoint of less than 60°C (140°F) using the test methods specified in 40 C.F.R. § 261.21, and any wastestream capable of causing an exceedance of ten (10% of the lower explosive limit for flammable/explosive gases at any point within the POTW.
(2) Any wastewater having a pH less than 5.0 or higher than 10.0 in any grab sample, or having any other corrosive property capable of causing damage or hazard to structures, equipment, or personnel of the system.
(3) Any substance which may cause the POTW’s effluent or treatment residues, sludges, or scums to be unsuitable for reclamation and reuse or to interfere with the reclamation process. In no case shall a substance discharged to the POTW cause the POTW to be in noncompliance with sludge use or disposal criteria, guidelines, or regulations developed under § 405 of the Act, being 42 U.S.C. § 1345; any criteria, guidelines, or regulations affecting sludge use or disposal developed pursuant to the Solid Waste Disposal Act, being 42 U.S.C. § 6901, the Clean Air Act, being 42 U.S.C. §§ 7401 et seq., the Toxic Substances Control Act, being 15 U.S.C. §§ 2601 et seq., or state standards applicable to the sludge management method being used.
(4) Trucked or hauled pollutants, except at discharge points designated by the District in accordance with § 51.021 of this chapter.
(5) Any substance with objectionable color not removed in the treatment process, such as, but not limited to dye wastes and vegetable tanning solutions.
(6) Any wastewater having a temperature which will inhibit biological activity in the POTW treatment plant resulting in interference; but in no case, wastewater with a temperature at the introduction into the POTW which exceeds 40°C (104°F).
(7) Any slug load, which shall mean any pollutant, including oxygen demanding pollutants (BOD, COD, and the like), released in a discharge at a flow rate and/or pollutant concentration which will cause interference to the POTW.
(8) Petroleum, oil, non-biodegradable cutting oil, or products of mineral oil origin in amounts that will cause interference or pass through.
(9) Any unpolluted water including, but not limited to, non-contact cooling water, unless otherwise authorized by the District.
(10) Any wastewater containing any radioactive wastes or isotopes of such half-life or concentration as may exceed limits established by the District in compliance with applicable state or federal regulation.
(11) Solid or viscous substances in amounts which will or may cause obstruction of the flow in the POTW or to the flow in a sewer resulting in interference with the operation of the POTW.
(12) Any noxious or malodorous liquids, gases (including smoke, vapors, and fumes), or solids which either singly or by interaction are capable of creating a public nuisance or hazard to life or are sufficient to prevent entry into any part of the POTW for its maintenance and repair.
(13) Any wastewater which causes a hazard to human life or creates a public nuisance.
(14) Pollutants, substances, or wastewater prohibited by this section shall not be processed or stored in such manner that they could be discharged to the POTW.
(Ord. 18-0017, passed 11-13-2018) Penalty, see § 51.999