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HomeMy WebLinkAbout90-10-45261093 ORDINANCE NO. 90-10-4526 AN ORDINANCE AMENDING SECTIONS 32-6.5 AND 32-17 OF CHAPTER 32, WATER AND SEWERS, OF THE CODE OF ORDINANCES OF THE CITY OF PADUCAH, KENTUCKY BE IT ORDAINED BY THE CITY OF PADUCAH, KENTUCKY: SECTION 1. That Section 32-6.5, Prohibited sewer deposits, is hereby amended to read as follows: "Sec. 32-6.5. Prohibited sewer deposits "(a) No person of corporation shall contribute or cause to be contributed, directly or indirectly, any pollutant or waste water which will interfere with the operation or performance of the POTW. These general prohibitions apply to all such persons or corporations discharging waste water to a POTW whether or not the person or corporation is subject to national categorical pretreatment standards or any other national, state or local pretreatment standards or requirements. A person or corporation may not contribute the following substances into or through any portion of the sewer system of the city: (1) Any liquid or vapor having a temperature higher than sixty (60) degrees Celsius, including, but not limited to, any waste water having a temperature which will inhibit the biological activity in the treatment plant or would cause the temperature at the treatment plant to influent to exceed forty (40) degrees Celsius. tjAAAlf Any petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin in 1094 amounts that will cause interference or pass-through. (3) Any flammable or explosive liquid, solid or gas, including, but not limited to, gasoline, benzene, naphtha, fuel oil, and in no case pollutants with a closed cup flashpoint of less than one hundred forty (140) degrees Fahrenheit (sixty (60] degrees Centigrade) of pollutants which cause an exceedance of ten (10) percent of the lower explosive limit (LEL) at any point within the POTW. (4) Any garbage that has not been properly shredded. (5) Any ashes, cinders, sand, mud, straw, shavings, metal, glass, rags, feathers, tar, plastics, wood, paunch manure, offal, unground fruit or vegetables, or other solid or viscous substance capable of causing obstruction to the flow in sewers or other interference with the proper operation of the sewage works. (6) Any waters or wastes having a stabilized pH lower than 6.0 or higher than 9.0, or having any other corrosive property capable of causing damage or hazard to structures, equipment and personnel of the sewer works. (7) Any waters or wastes having a biochemical oxygen demand in excess of three hundred (300) parts per million (mg/1). (8) Any waters or wastes containing more than three hundred fifty (350) parts per million by weight of suspended solids or containing suspended solids of such character and quantity that unusual attention or expense is required to handle such materials at the sewage treatment plant. 1095 (9) Any concentration of chloride higher than ten thousand (10,000) parts per million. (10) Any wastes or waters having an objectionable color which is not removable in the existing sewage treatment plant process. (11) Any waters or wastes containing a toxic or poisonous substance or any other materials in sufficient quantity to injure or interfere with any sewage treatment process, or constitute a hazard to humans or animals, or create any hazard in the receiving stream at the sewage treatment plant. (12) Any noxious or malodorous gas or substance capable of creating a public nuisance. (13) Any substance which will cause the POTW to violate its NPDES and/or state disposal system permit or the receiving quality standards. (14) Any waters or wastes containing acid iron pickling wastes or concentrated plating solutions, whether neutralized or not. (15) Any waters or wastes containing phenols or other taste -or -odor -producing substances in such concentrations exceeding limits which may be established by the pretreatment coordinator as necessary, after treatment of the composite sewage, to meet the requirements of the state, federal or other agencies or jurisdiction for such discharge to the receiving of waters. (16) Unusual volume of flow or concentrations of wastes constituting 'slugs', as defined herein. (17) Any pollutant, including oxygen -demanding pollutants (BOD, COD, etc.), released in a 1096 discharge at a flow rate and/or pollutant concentration which will cause interference with the POTW or pass through causing violations of the POTW's KPDES permit. (18) Any radioactive wastes. (19) Trucked or hauled water or waste except at discharge points designated by the POTW (20) Any water or waste that results in toxic gases, vapors, or fumes within the POTW in a quantity that may cause acute worker health and safety problems. fxor (21) No person or corporation shall discharge wastewater in excess of: 0.03 mg/l arsenic; 0.10 mg/l cadmium; 1.700 mg/l copper; 1.100 mg/l cyanide; 0.20 mg/l lead; 0.01 mg/l mercury; 1.90 mg/l nickel; 0.50 mg/l silver; 0.60 mg/l total chromium; 2.20 mg/l zinc; 25 mg/l ammonia as nitrogen (NH3) 100 mg/l oil and grease (total) 50 mg/l oil and grease of petroleum hydrocarbon origin (b) When the city determines that a person or corporation is contributing to the POTW any of the above -enumerated substances in such amounts as to interfere with the operation of the POTW, the city shall: (1) Advise the person of the impact of the contribution of the POTW; and 1097 (2) Develop effluent limitation(s) for such person or corporation to correct the interference with the POTW. (c) Upon the promulgation of the federal categorical pretreatment standard for a particular industrial subcategory, the federal standard, if more stringent than limitations imposed under this chapter for sources in that subcategory, shall immediately supersede the limitations imposed under this chapter. (d) Where the city's waste water treatment system achieves consistent removal of pollutants limited by federal pretreatment standards, the city may apply to the approval authority for modifications of specific limits in the federal pretreatment standards. 'Constant removal' shall mean reduction in the amount of a pollutant or alteration of the nature of the pollutant by the waste water treatment system to a less toxic or harmless state in the effluent which is achieved by the system in ninety-five (95) percent of the samples taken when measured according to the procedures set forth in 40 CFR, Part 403, Section 403.7(c)(2). The city may modify pollutant discharge limits in the federal pretreatment standards if these requirements are fulfilled and prior approval from the approval authority is obtained." SECTION 2. That Section 3-17, Definitions, is hereby amended to read as follows: "Sec. 32.17. Definitions. "The following words and phrases, when used in this chapter, shall, for the purpose of this chapter, have the meanings respectively ascribed to them in this section: Act. Federal Water Pollution Control Act (Public Law 92-500) as amended by the Clean Water Act of 1977 (Public Law 95-217). M-01 Approval authority. The director in an NPDES state with an approved state pretreatment program and the administrator of the EPA in a non-NPDES state or NPDES state without an approved state pretreatment program. BOD. (Biochemical Oxygen Demand) shall mean the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5) days at twenty (20) degrees Centigrade expressed in parts per million by weight. City. The City of Paducah. Color. The 'true color' due to the substances in solution expressed in wave lengths of light. Commercial and industrial wastes. Waste carried away from commercial and industrial. establishments, as distinguished from ordinary sewage, and has particular reference, without limiting the generality of the foregoing, to wastes containing chemical or other substances which present unusual problems and hazards necessitating supervision of special treatment before introduction into the sewers. Compatible pollutant. Those pollutants contained in ordinary sewage for which the POTW was specifically designed to remove during the treatment process. Compatible pollutant shall include and be limited 3to BOD suspended solids and ammonia nitrogen as NH . Corporation. An artificial person created by law as the representative of those persons, natural or artificial, who contribute to or become holders of shares in the property entrusted to it for a common purpose. Dry industries. Those industries that discharge waste water from sanitary conveniences only. Interference. The inhibition or disruption of the POTW treatment process or operations or which contributes to a violation of any requirement of the city's NPDES permit. The term includes prevention of sewage sludge use or disposal by the POTW in accordance with Section 405 of the Act (33 U.S.C. 1345), or any criteria, guidelines or regulations developed pursuant to the Solid Waste Disposal Act (SWDA), the Clean Air Act, the Toxic Substances Control Act, or more stringent state criteria (including those contained in any state sludge management plan prepared pursuant to Title IV of SWDA) applicable to the method of disposal or use employed by the POTW. Major industries. Major industries are those industries: (1) Having a flow of ten thousand (10,000) gallons or more per average work day; (2) Contributing more than five (5) percent of the pollutant loading of the sewage treatment plant; 1099 (3) Having in its waste pollutants as defined pursuant to Section 307 of the Act; or, (4) Having been found by the city, state or federal agencies to have a significant impact, either singly or in combination with other contributing industries, on the waste water treatment system, the quality of sludge, the system's effluent quality or air emissions generated by the system. Minor industries. Minor Industries are those industries having a flow of less than ten thousand (10,000) gallons per average work day and contributing less than five (5) percent of the pollutant loading of the sewage treatment plant and that discharges waste water other than from sanitary conveniences. National categorical pretreatment standard or Pretreatmentstandard. Any regulation containing pollutant discharge limits promulgated by the EPA in accordance with Section 307(b) and (c) of the Act (33 U>S>c 1347) which applies to a specific category of industrial users. O & M. 'Operation and maintenance'. Ordinary sewage or ordinary sewage wastes. Those flowable wastes which are comparable to wastes which ordinarily originate in residential units and contain only human excrement and wastes from kitchen, laundry, bathing, and other household facilities. Such term also includes solid food wastes from the preparation, cooking and disposing of food, and from the handling, storage and sale of produce, but only if such solid wastes have been ground or shredded to such degree that all particles may be carried freely under the flow conditions normally prevailing in the city sewers, with no particle greater than one-half (1/2) inch in any dimension, and only if such solid food wastes are introduced into the sewers accompanies by water sufficient to cause the same to flow freely and without congesting the sewers. Pass through. The discharge of pollutants through the POTW into navigable waters in quantities or concentrations which are a cause of or signifi- cantly contribute to a violation of any require- ment of the POTW's NPDES permit (including an increase in the magnitude or duration of a viola- tion) An industrial user significantly con- tributes to such permit violation where it: (1) Discharges a daily pollutant loading in excess of that allowed by permit with the POTW or by federal, state or local law; (2) Discharges wastewater which substantially differs in nature and constituents from the user's average discharge; (3) Knows or has reason to know that its dis- charge, alone or in conjunction with dis- charges from other sources, would result in a hermit violation; or 1100 (4) Knows or has reason to know that the 1 i or any reason, vi imitations in its in conj sources of the ial users ais unction with d , increases th POTW's violati is POTW is effluent t and that such rge, either along or harges from other agnitude or duration Person. Any individual, firm, company, association or corporation_ pH. The logarithm of the reciprocal of the concentration of hydrogen ions in grams per liter of solution. A stabilized pH will be considered as a pH which does not change beyond the specified limits when the waste is subjected to aeration. A pH value indicates the degree of acidity of alkalinity. Potential to discharge other than ordinary waste This shall mean the possibility that other than ordinary waste could be discharged, considering the nature and characteristics of the intended user and/or the accessibility and ease of discharge by unauthorized users (e.g. open drains accessible to public, etc.). Premises. This term means and includes all places and properties where people live or congregate, or where flowable sewage wastes are otherwise generated, which should be drained away and disposed of in the interests of public health, safety and general welfare, and specifically includes, but not by way of limiting the generality of the foregoing, all homes; apartments; hotels; motels; trailer camps; establishments for manufacturing, business, commercial, or industrial purposes; and other structures of any and every nature whatsoever. Pretreatment coordinator. The city employee appointed by the city manager to administer and manage the City of Paducah's Pretreatment Program. Properly shredded garbage. The wastes from the preparation, cooking, and dispensing of food that have been shredded to such degree that all parties will be carried freely under the flow conditions normally prevailing in public sewers, with no particle greater than one-half (1/2) inch in any dimension. Publicly owned treatment works (POTW). A treatment works as defined by Section 212 of the Act (33 U.S.C. 1292) which is owned in this instance by the city. This definition includes any sewers that convey waste water to the POTW treatment plant, but does not include pipes, sewers or other conveyances not connected to a facility providing treatment. For the purposes of this chapter, 'POTW' shall also include any sewers that convey waste waters to the POTW from persons outside the city who are, by contract or agreement with the city, users of the POTW. Receiving stream. That body of water, stream or watercourse receiving the discharge waters from the sewage treatment plant or formed by the waters discharged from the sewage treatment plant. 1101 Sewers or sanitary sewers. Those properties, works and facilities by and through which the city provides service in draining and treating flowable polluted sewage wastes, and includes not only such facilities ad presently exist but also all future extensions, additions, enlargements, and improvements thereof and thereto. Shall is mandatory; may is permissive. SIC. Standard Industrial Code. Significant violation. A violation which remains uncorrected forty-five (45) days after notification of noncompliance, which is part of a pattern of noncompliance over a twelve-month period, which involves a failure to accurately report noncompliance, or which resulted in the POTW exercising its emergency authority. Suspended Solids. Solids that either float on the surface of, or are in suspension in water, sewage, or other liquids; and which are removable by laboratory filtering." SECTION 3. This ordinance shall be read on two separate days and will become effective upon publication of title and a certified summary thereof. GERRY B. MONTGOMERY Mayor Introduced by the Board of Commissioners October 9, 1990 Adopted by the Board of Commissioners October 23, 1990 Recorded by Lenita Smith, City Clerk, October 23, 1990 Published by The Paducah Sun October 29, 1990 ord/ch32