Town of Kent, NY Article VII Discharge Restrictions

§ 61-42 Pretreatment standards.

All users of the municipal sewer system will comply with all standards and requirements of the Clean Water Act ("the Act") and standards and requirements promulgated pursuant to the Act, including but not limited to 40 CFR Parts 403 through 471. [NOTE: In certain cases, industrial wastewater effluent limitations, pretreatment processes, and treatment design may be subject to review by NYSDEC.]

§ 61-43 General prohibitions.

A. No user shall contribute or cause to contribute, directly or indirectly, any pollutant or wastewater which will interfere with the operation or performance of the municipal sewer system. These general prohibitions apply to all such users of the municipal sewer system whether or not the user is subject to national categorical pretreatment standards, or any other national, state, or local pretreatment standards or requirements.

B. Without limiting the generality of the foregoing, a user may not contribute the following substances to the municipal sewer system:

(1) Any solids, liquids, 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 a fire or an explosion or be injurious, in any way, to the municipal sewer system, or to the operation of the municipal sewer system. At no time shall both of two successive readings on a flame-type explosion hazard meter, at the point of discharge into the system (or at any other point in the system) be more than 25% nor any single reading be more than 40% of the lower explosive limit (LEL) of the meter. Prohibited materials include, but are not limited to, gasoline, kerosene, naphtha, benzene, toluene, xylene, ethers, alcohols, carbides, hydrides, and sulfides, and any other substance which the Town has determined to be a fire hazard, or hazard to the municipal sewer system.

(2) Solid or viscous substances which may cause obstruction to the flow in a sewer or otherwise interfere with the operation of the wastewater treatment facilities. Such substances include, but are not limited to, grease, garbage with particles greater than 1/2 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, waste paper, wood, plastics, gas, tar asphalt residues, residues from refining or processing fuel or lubricating oil, mud, or glass or stone grinding or polishing wastes.

(3) Any wastewater having a pH less than 5.0 or greater than 10.0, unless the municipal sewer system was specifically designed to manage such wastewater, or wastewater having any other corrosive property capable of causing damage or hazard to structures, equipment, and/or municipal sewer system personnel.

(4) Any wastewater containing toxic pollutants in sufficient quantity, either singly or by interaction with other pollutants (including heat), to injure or interfere with any wastewater treatment process, constitute a hazard to humans or animals, create a toxic effect in the receiving waters of the municipal sewer system, or to exceed 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.

(5) Any noxious or malodorous solids, liquids, or gases which either singly or by interaction with other wastes are sufficient to create a public nuisance or a hazard to life or are sufficient to prevent entry into the sewers for their maintenance or repair.

(6) Oils and grease. Any commercial, institutional, or industrial wastes containing fats, waxes, grease, or oils which become visible solids when the wastes are cooled to 10° C. (50° F.); any petroleum oil, nonbiodegradable cutting oil, or products of mineral oil origin, in excess of 100 mg/l or in amounts that will cause interference or pass-through.

(7) Any wastewater which will cause interference or pass-through.

(8) Any wastewater with objectionable color which is not removed in the treatment process, such as, but not limited to, dye wastes and vegetable tanning solutions.

(9) Any solid, liquid, vapor, or gas having a temperature higher than 65° C. (150° F.); however, such materials shall not cause the municipal sewer system influent temperature to be greater than 40° C. (104° F.). The Inspector reserves the right, in certain instances, to prohibit or limit the discharge of wastes whose maximum temperatures are lower than 65° C.

(10) Unusual flow rate or concentration of wastes, constituting slugs.

(11) Any wastewater containing any radioactive wastes.

(12) Any wastewater which causes a hazard to human life or which creates a public nuisance, either by itself or in combination, in any way, with other wastes.

(13) Any wastewater with a closed cup flashpoint of less than 140° F. or 60° C. using the test methods specified in 40 CFR Part 261.21.

(14) Any pollutants which result in the presence of toxic gases, vapors or fumes within the municipal sewer system in a quantity that may cause acute worker health and safety problems.

§ 61-44 Concentration-based limitations.

A. No person shall discharge, directly or indirectly, into the municipal sewer system, abnormal sewage or industrial wastewater containing any of the following substances: antimony, arsenic, barium, beryllium, bromine, cadmium, chlorides, chromium (hexavalent), chromium (total), cobalt, copper, cyanide (complex), cyanide (free), fluorides, gold, iodine, iron, lead, manganese, mercury, molybdenum, nickel, phenols, total selenium, silver, sulfates, sulfides, tin, titanium, vanadium, or zinc.

B. Other substances which shall be banned are:

(1) Alkanes, alkenes and alkynes;

(2) Aliphatic and aromatic alcohols and acids;

(3) Aliphatic and aromatic aldehydes and ketones;

(4) Aliphatic and aromatic esters;

(5) Aliphatic and aromatic halogenated compounds;

(6) Aliphatic and aromatic nitro, cyano and amino compounds;

(7) Antibiotics;

(8) Benzene derivatives;

(9) Chemical compounds which, upon acidification, alkalinization, oxidation or reduction, in the discharge or after admixture with wastewater and its components in the municipal sewer system, produce toxic, flammable, or explosive compounds;

(10) Pesticides, including algicides, fungicides, herbicides, insecticides, rodenticides, phthalates;

(11) Polyaromatic and polynuclear hydrocarbons;

(12) Total toxic organics, TTO, as defined in 40 CFR 433.11;

(13) Toxic organic compounds regulated by federal pretreatment standards;

(14) Unsaturated aliphatics, including those with an aldehyde, ketone or nitrile functional group; and/or

(15) Viable pathogenic organisms from industrial processes or hospital procedures.

§ 61-45 (Reserved)

§ 61-46 Modification of limitations.

A. Limitations on wastewater strength contained in any permit may be supplemented with more stringent limitations when, in the opinion of the Inspector:

(1) The limitations in the permit are not sufficient to protect the municipal sewer system;

(2) The limitations in the permit are not sufficient to enable the municipal sewer system to comply with applicable water quality standards or the effluent limitations specified in the municipal sewer system's SPDES permit;

(3) The municipal sewer system sludge will be rendered unacceptable for disposal or reuse as the Town desires, as a result of discharge of wastewaters at the above prescribed concentration limitations;

(4) Municipal employees or the public will be endangered; or

(5) Air pollution and/or groundwater pollution will be caused.

B. The limitations on wastewater strength shall be evaluated not less frequently than once every five years. The results of these evaluations shall be reported to the Town Board. This chapter shall then be amended appropriately. Any issued industrial wastewater discharge permits, which have limitations based directly on any limitations which were changed, shall be revised and amended, as appropriate.

§ 61-47 Access to user's records.

The Inspector shall have the authority to copy any record related to wastewater discharges to the municipal sewer system.

§ 61-48 Dilution.

A. Except where expressly authorized to do so by an applicable pretreatment standard, no user shall ever increase the use of process water or, in any other way, attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with a pretreatment standard.

B. Dilution flow shall be considered to be inflow.

§ 61-49 Grease, oil, and sand interceptors.

A. Grease, oil, and sand interceptors shall be provided, when they are necessary for the proper handling of wastewater containing excessive amounts of grease, flammable substances, sand, or other harmful substances; except that such interceptors shall not be required for private living quarters or living units. Grease traps shall be required for all food service and restaurant establishments.

B. All interceptors shall be of a design consistent with any standards established by NYSDEC or NYSDOH and shall be of a type and capacity approved by the Inspector, and shall be so located to be easily accessible for cleaning and inspection. Such interceptors shall be inspected, cleaned, and repaired regularly, as needed, by the owner, at his expense.

§ 61-50 Solid waste grinders.

The use of solid waste grinders (garbage disposals) is prohibited at any residential or nonresidential facility that is connected to the municipal sewer system.

§ 61-51 Rejection of wastewater.

The Town Board may reject a user's wastewater, on recommendation of the Inspector, when it is has been determined that the wastewater contains substances or possesses characteristics which have a deleterious effect on the municipal sewer system and its processes, or on the receiving water, or which constitute a public nuisance or hazard. (See § 61-70.)