Borough of Lake City, PA
Erie County
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Table of Contents
Table of Contents
General prohibitions.
No user shall introduce or cause to be introduced into the POTW any pollutants or pollutants in such quantities so as to cause pass-through or interference with the processing of wastewater at the POTW, or which would prevent the recycling or beneficial reuse of sludge produced as a result of the pretreatment of wastewater at the POTW.
The general prohibitions of this Part 3 shall apply to all users of the POTW whether or not they are subject to any categorical pretreatment standards or any other local, state, or federal pretreatment standard or requirements.
Specific prohibitions.
No user of the POTW shall introduce or cause to be introduced into the POTW the following pollutants, substances, or wastewater:
Pollutants which create a fire or explosive hazard in the POTW, including but not limited to wastestreams with a closed-cup flashpoint of less than 140° F. (60° C.) using the test methods specified in 40 CFR 261.21.
Wastewater having a pH less than 6.0 or more than 10.0 or wastewater which otherwise may cause corrosive structural damage to the POTW or equipment.
Grease, 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, plastics, gas, tar, asphalt residues, residues from refining of fuel or lubricating oil, mud, or glass grinding or polishing wastes, solid or viscous substances such as in amounts or size which will cause interference or obstruction of the flow either in sanitary sewer pipelines or at the POTW, but in no case solids greater than 1/2 inch in any dimension.
Pollutants, (including oxygen-demanding pollutants such as BOD, etc.) released at such a flow rate or in such a concentration which, either singly or by interaction with other pollutants, will cause interference with the operation of the POTW.
Wastewater with a temperature greater than 140° F. (60° C.), or which would inhibit biological activity in the treatment plant resulting interference, but in no case wastewater which causes the temperature at the introduction into the treatment plant to exceed 104° F. (40° C.).
Petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin, or other prohibited materials including but not limited to; gasoline, kerosene, naphtha, benzene, toluene, xylene, ethers, alcohols, ketones, aldehydes, peroxides, chlorates, perchlorates, bromates, carbides, hydrides, and sulfides; which may cause interference or pass-through.
Pollutants which result in the presence of toxic gases, vapors or fumes within the POTW that may cause acute health or safety risks to the workers at the POTW or to the general public.
Trucked or hauled pollutants, except with the permission of the supervisor or the POTW and then only at such discharge points as the supervisor may designate in accordance with § 52-42 of this Part 3.
Noxious or malodorous liquids, gases, solids or other wastewater which singly or by interaction with other wastes, are sufficient to create a public nuisance or a hazard to life, or to prevent entry into the sewers for maintenance or repair.
Wastewater with such color that it cannot be removed by the POTW processes such as, but not limited to, dye wastes, vegetable tanning solutions, food coloring solutions, etc. which consequently imparts color to the POTW effluent thereby violating Lake City Borough's NPDES permit.
Wastewater containing any radioactive wastes or isotopes except in compliance with applicable state or federal regulations.
Stormwater, surface water, groundwater, artesian well water, roof runoff, subsurface drainage, swimming pool drainage, condensate, deionized water, noncontact cooling water, unpolluted wastewater, unless specifically authorized by the Borough.
Sludges, screening, or other residues from the pretreatment of industrial wastes.
Medical wastes containing isolation wastes, infectious agents, human blood and blood products, pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes, dialysis wastes, or any other medical wastes unless authorized by the Borough in a wastewater discharge permit.
Wastewater causing, alone or in conjunction with other sources, the effluent of the POTW to fail a toxicity test.
Detergents, surface-active agents, or other substances which may cause foaming in the POTW.
Wastewater causing two readings on an explosion hazard meter at the point of entry into the POTW, or at any point within the POTW, of more than 5% or any single reading of more than 10% of the lower explosive limit of the meter.
Any substance that, when discharged to the POTW, would cause the POTW to be in noncompliance with sludge use or disposal criteria, guidelines, or regulations.
Pollutants, substances, or wastewater prohibited by this Part 3 shall not be processed or stored in such a manner that they could be discharged to the POTW accidentally or otherwise.
The following pollutant limits are established to protect against pass-through and/or interference with operation of the POTW or re-use, recycling, or disposal of sludge produced at the POTW.
These are maximum allowable discharge limits based on twenty-four-hour composite sampling:
150 mg/l BOD5
0.33 mg/l silver
15 mg/l phosphorus
0.67 mg/l zinc
75 mg/l fats, oils, greases of organic origin
2 mg/l tin
150 mg/l total suspended solids
0.005 mg/l benzene
30 mg/l oil and grease of petroleum base
0.3 mg/l cadmium
20 mg/l ammonia
0.34 mg/l cyanide
2.0 mg/l arsenic
0.05 mg/l mercury
0.77 mg/l copper
4 mg/l total phenols
0.625 mg/l lead
3 mg/l iron
0.53 mg/l nickel
1.55 mg/l chromium
The above limits apply at the point where the wastewater is discharged to the POTW. All concentrations for metallic substances are for "total" metal unless indicated otherwise. The Borough Council may direct the supervisor of the POTW to impose mass limitations in addition to, or in place of, the concentration based limitations listed above.
At no time shall a discharge exceed the maximum instantaneous allowable discharge. A discharge shall not contain a concentration or quantities of pollutants that exceed for any time period longer than 15 minutes more than five times the average twenty-four-hour concentration of pollutants as specified in § 52-36A of this Part 3.
Any discharge exceeding the limits imposed for BOD5, TSS, phosphorous, ammonia or FOG of organic origin shall be subject to surcharges as established by resolution of Borough Council. All other discharge limits shall not be exceeded. Any discharger that exceeds the limits imposed shall be required to provide adequate pretreatment to comply with the limits required in this Part 3.
Lake City Borough reserves the right to establish, by ordinance, or in wastewater discharge permits, more stringent standards, requirements or limitations on discharges to the POTW.
No discharger 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 a discharge limitation unless specifically authorized to do so by an applicable pretreatment standard or requirement. The Borough may impose mass limitations on users who are using dilution to meet applicable pretreatment standards or requirements, or in other cases when the imposition of mass limitations is appropriate.