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Home My WebLink AboutOrdinance 05- 1646 Providing for discharge prohibitions to City's wastewater system __n_ ..---..--- . ..- .____...__m..___._. ORDINANCE NO. 1646 AN ORDINANCE OF THE CITY COMMISSION OF THE CITY OF BOZEMAN, MONTANA, PROVIDING THAT THE BOZEMAN MUNICIPAL CODE BE AMENDED BY REVISING SECTION 13.28.040, PROVIDING FOR DISCHARGE PROHIBITIONS TO THE CITY'S WASTEWATER SYSTEM. BE IT ORDAINED by the City Commission of the City of Bozeman, Montana, that: Section 1 Section 13.28.040 of the Bozeman Municipal Code is amended, so that such Section shall read as follows: "13.28.040 Discharge prohibitions. A. No user shall contribute or cause to be contributed, directly or indirectly, any pollutant or wastewater which will cause pass-through or interfere with the operation or performance of the POTW. These general prohibitions apply to all such users of a POTW whether or not the user is subject to National Categorical Pretreatment Standards or any other national, state or local pretreatment standard or requirements. A user may not contribute the following substances to any POTW: 1. Any liquids, solids or gases which by reason of their nature or quantity are, or may be sufficient either alone or by interaction with other substances to cause fire or explosion or be injurious in any other way to the POTW or to the operation of the POTW including, but not limited to, waste streams with a closed cup flashpoint of less than one hundred forty degrees Fahrenheit or sixty degrees centigrade using the test methods specified in 40 CFR 261.21. Prohibited materials include, but are not limited to, gasoline, kerosene, naphtha, benzene, toluene, xylene, ethers, alcohols, ketone, aldehydes, peroxides, chlorates, perchlorates, bromates, carbides, hydrides and sulfides and any other substances which constitutes a fire or explosion hazard; 2. Solid or viscous substances which may cause obstruction to the flow in a sewer or other interference with the operation of the wastewater treatment facilities. Prohibited materials include but are not limited to: fats, oils, grease, garbage with particles greater than one-half inch in any dimension, animal guts or tissues, paunch manure, bones, hair, hides or fleshings, entrails, whole blood, feathers, ashes, cinders, sand, spent lime, stone or marble dust, metal, glass, straw, shavings, grass clippings, rags, spent grains, spent hops, wastepaper, wood, plastics, paint, gas, tar, asphalt residues, residues from refining, or processing of fuel or lubricating oil, mud, or glass grinding or polishing wastes; 3. f!Imy Unless authorized by the City Engineer, any wastewater having a pH less than 5.0 or greater than 9.0, or wastewater having any other corrosive property capable of causing damage or hazard to structures, equipment and/or personnel of the POTW; 4. Any wastewater containing toxic pollutants in sufficient quantity, which either singly or by interaction with other pollutants, injures or interferes with any wastewater treatment process, constitutes a hazard to humans or animals, creates a toxic effect in the receiving waters of the POTW, or exceeds the limitation set forth in a categorical pretreatment standard. A toxic pollutant shall include but not be limited to any pollutant identified pursuant to Section 307(a) of the Act; ..__._..___._n._..__ 5. Any noxious or malodorous liquids, gases or solids which either singly or by interaction with other wastes are sufficient to create a public nuisance or hazard to life, or which create the presence of toxic gases, vapors or fumes within in the POTW in a quantity that may cause acute worker health and safety problems, or are sufficient to prevent entry into the sewers for maintenance and repair; 6. Any substance which may cause the POTW's effluent or any other product of the POTW such as 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 Section 405 of the Act; any criteria, guidelines or regulations affecting sludge use or disposal developed pursuant to the Solid Waste Disposal Act, the Clean Air Act, the Toxic Substances Control Act, or state criteria applicable to the sludge management method being used; 7. Any substance which will cause the POTW to violate its NPDES and/or state disposal system permit or the receiving water quality standards; 8. Any wastewater with objectionable color not removed in the treatment process, such as but not limited to, dye wastes and vegetable tanning solutions; 9. Any wastewater having a temperature that will cause the temperature of the wastewater plant influent to exceed forty degrees centigrade (one hundred four degrees Fahrenheit) or will inhibit biological activity of the wastewater treatment; 10. Any pollutants, including oxygen demanding pollutants (BOD, etc.) released at a flow rate and/or pollutant concentration which will cause interference to the POTW; 11. Any wastewater containing any radioactive wastes or isotopes of such half-life or concentration as may exceed established limits; 12. Any septic tank pumpings or material taken from cesspools, privies or other sewage treatment systems; 13. Any water or waste which may contain more than twenty-five parts per million, by weight, of fat, oil or grease; 14. Any petroleum oil, non-biodegradable cutting oil, or products of mineral oil origin in amounts that will cause interference or pass-through; 15. Any trucked or hauled pollutants, except as may be approved by the engineer and at discharge points as may be designated by the city. B. When it is determined that a user(s) is contributing to the POTW, any of the above enumerated substances in such amounts as to interfere with the operation of the POTW, then the engineer shall: 1. Advise the user(s) of the impact of the contribution on the POTW; and 2. Develop effluent lim itation( s) for such user to correct the interference with the POTW. C. Upon such notification, the user shall develop a pretreatment program and comply with the conditions set forth in this chapter, particularly Sections 13.28.220 through 13.28.310, inclusive." - 2 - -- ....----- -.....--...--....... .. ... - ..-...-..-..... Section 2 Repealer. All resolutions, ordinances and sections of the Bozeman Municipal Code and parts thereof in conflict herewith are hereby repealed. Section 3 Severability. If any provisions of this ordinance or the application thereof to any person or circumstances is held invalid, such invalidity shall not affect the other provisions of this ordinance which may be given effect without the invalid provision or application and, to this end, the provisions of this ordinance are declared to be severable. Section 4 Savings Provision. This ordinance does not affect the rights or duties that matured, penalties and assessments that were incurred or proceedings that began before the effective date of this ordinance. Section 5 Effective Date. This ordinance shall be in full force and effect thirty days after passage. PASSED by the City Commission of the City of Bozeman, Montana, on first reading at a regular session thereof held on the 1 st day of August 2005. L. CETRARO, Mayor ATTEST: (J/:/ ~ ROBIN L. SULLIVAN City Clerk - 3 - - ---------------- PASSED, ADOPTED AND APPROVED by the City Commission of the City of Bozeman, Montana, on second reading at a regular session thereof held on the 15th day of August 2005. AND L. CETRARO, Mayor ATTEST: ~/~ R IN L. SULLIVAN City Clerk APPROVED7AS TO FORM: -4-