For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ACT or THE ACT. The Federal Water Pollution Control Act, also known as the Clean Water Act, as amended, being 33 U.S.C. §§ 1251 et seq.
APPROVAL AUTHORITY. The United States Environmental Protection Agency (EPA).
AUTHORIZED OR DULY AUTHORIZED REPRESENTATIVE OF THE USER.
(1) If the user is a corporation:
(a) The president, secretary, treasurer, or a vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy or decision-making functions for the corporation; or
(b) The manager of one or more manufacturing, production, or operating facilities provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiate and direct other comprehensive measures to assure long-term environmental compliance with environmental laws and regulations; can ensure that the necessary systems are established or actions taken to gather complete and accurate information for individual wastewater discharge permit requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures.
(2) If the user is a partnership or sole proprietorship: a general partner or proprietor, respectively.
(3) If the user is a federal, state, or local governmental facility: a director or highest official appointed or designated to oversee the operation and performance of the activities of the government facility, or their designee.
(4) The individuals described in subsections (1) through (3) above, may designate a duly authorized representative if the authorization is in writing, the authorization specifies the individual or position responsible for the overall operation of the facility from which the discharge originates or having overall responsibility for environmental matters for the company, and the written authorization is submitted to the town POTW.
BIOCHEMICAL OXYGEN DEMAND (BOD). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure, five days at 20º C. expressed in terms of concentration (milligrams per liter (mg/l)).
BUILDING DRAIN. That part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of a building and conveys it to the building sewer beginning three feet outside the building wall.
BUILDING SEWER, SANITARY. A building sewer which conveys sanitary or industrial sewage only. See also LATERAL LINE.
BUILDING SEWER, STORM. A building sewer which conveys storm water or other precipitation drainage, but no sanitary or industrial sewage.
CATEGORICAL INDUSTRIAL USER. An industrial user subject to a categorical pretreatment standard or categorical standard.
CATEGORICAL PRETREATMENT STANDARD or CATEGORICAL STANDARD. Any regulation containing pollutant discharge limits promulgated by the U.S. EPA in accordance with Sections 307(b) and (c) of the Act (33 U.S.C. § 1317) which apply to a specific category of industrial users and which appear in 40 C.F.R. Chapter I, Subchapter N, Parts 405-471.
COMBINED SEWER. A sewer intended to receive both wastewater and storm or surface water.
COMPATIBLE POLLUTANT. Biochemical oxygen demand, suspended solids, pH, and fecal coliform bacteria, plus additional pollutants identified in the NPDES permit if the treatment works is designed to treat such pollutants and in fact does remove such pollutants to a substantial degree. The term substantial degree is not subject to precise definition, but generally means removal of 80% or greater. Minor incidental removals of 10% to 30% are not considered substantial. Examples of the additional pollutants which may be considered compatible include, but not limited to:
(1) Chemical oxygen demand;
(2) Total organic carbon;
(3) Phosphorus and phosphorus compounds;
(4) Nitrogen and nitrogen compounds; and
(5) Fats, oils, and grease of animal or vegetable origin (except as prohibited where these materials would interfere with the operation of the POTW.)
COMPOSITE SAMPLE. A minimum of four samples collected over a time greater than 15 minutes that is representative of a discharge which may be either time or flow proportional.
CONTROL AUTHORITY. The Commissioner of the Indiana Department of Environmental Management (IDEM).
DAILY MAXIMUM. The arithmetic average of all effluent samples for a pollutant collected during a calendar day.
DAILY MAXIMUM LIMIT. The maximum allowable discharge limit of a pollutant during a calendar day. Where daily maximum limits are expressed in units of mass, the daily discharge is the total mass discharged over the course of the day. Where daily maximum limits are expressed in the terms of a concentration, the daily discharge is the arithmetic average measurement of the pollutant concentration derived from all measurements taken that day.
ENVIRONMENTAL PROTECTION AGENCY (EPA). The U.S. Environmental Protection Agency or, where appropriate, the term may also be used as a designation for the Regional Water Management Division Director or other duly authorized official of said agency.
FECAL COLIFORM. Any number of organisms common to the intestinal tract of man and animals, whose presence in sanitary sewage is an indicator of pollution.
FLOATABLE OIL. Oil, fat or grease in a physical state, such that it will float to the surface and be removable by skimming from wastewater in a pretreatment facility.
GARBAGE. Solid wastes from the domestic and commercial preparation, cooking, and dispensing of food, and from the handling, storage and sale of produce.
GRAB SAMPLE. A sample which is taken from a wastestream on a one-time basis without regard to the flow in the waste stream and over a period of time not to exceed 15 minutes.
INDIRECT DISCHARGER. A nondomestic discharger introducing pollutant into a POTW, regardless of whether the discharger is within the governmental jurisdiction of the permittee.
INDUSTRIAL WASTE. The liquid wastes or liquid borne waste resulting from commercial, industrial, or manufacturing processes, trade, or business as distinct from sanitary sewage from residential use.
INDUSTRIAL USER (IU). An indirect discharger.
INFILTRATION. The water entering a sewer system, including building drains and sewers, from the ground, through such means as, but not limited to, defective pipes, pipe joints, connections, or manhole walls. INFILTRATION does not include and is distinguished from INFLOW.
INFLOW. The water discharged into a sewer system, including building drains and sewers, from such sources as, but not limited to: roof leader, cellar, yard and area drains, foundation drains, unpolluted cooling water discharges, drains from springs and swampy areas, manhole covers, cross connections from storm sewers and combined sewers, catch basins, stormwaters, surface runoff, street wash waters, or drainage. INFLOW does not include and is distinguished from INFILTRATION.
INSPECTOR. The person or persons duly authorized by the town, through its Town Council, to inspect and approve the installation and usage of building sewers and their connection to the public sewer system.
INSTANTANEOUS MAXIMUM ALLOWABLE DISCHARGE LIMIT. The maximum concentration (or loading) of a pollutant allowed to be discharged at any time, determined from the analysis of any discrete or composited sample collected, independent of the industrial flow rate and the duration of the sampling event.
INTERFERENCE.
(1) A discharge that alone or in conjunction with a discharge or discharges from other sources inhibits or disrupts the:
(a) Treatment processes or operations;
(b) Sludge processes; or
(c) Selected sludge use or disposal methods of a POTW.
(2) The inhibition or disruption must:
(a) Cause a violation of a requirement of the POTW’s NPDES permit including an increase in the magnitude or duration of a violation; or
(b) Prevent the use of the POTW’s sewage sludge or its sludge disposal method selected in compliance with the following statutory provisions, regulations, or permits issued thereunder or more stringent state or local regulations:
1. Section 405 of the Clean Water Act (33 U.S.C. § 1345);
2. The Solid Waste Disposal Act (SWDA) (42 U.S.C. § 6901), including Title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA); and the rules contained in a state sludge management plan prepared pursuant to Subtitle D of the SWDA (42 U.S.C. § 6941);
3. The Clean Air Act (42 U.S.C. § 7401); and
4. The Toxic Substance Control Act (15 U.S.C. § 2601).
LATERAL LINE. The private sanitary sewer from any structure or dwelling to and inclusive of the tap belonging to the private owner(s) connecting to the public sanitary sewer.
MONTHLY AVERAGE. The sum of all daily discharges measured during a calendar month divided by the number of daily discharges measured during that month.
MONTHLY AVERAGE LIMIT. The highest allowable average of daily discharges over a calendar month, calculated as the sum of all daily discharges measured during a calendar month divided by the number of daily discharges measured during that month.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake, or other body of surface or ground water.
NONCONTACT COOLING WATER. Water used for cooling which does not come into direct contact with any raw material intermediate product, waste product or finished product.
NPDES PERMIT. The national pollutant discharge elimination system permit now or hereafter held by the town and setting forth conditions for the discharge of any pollutants or combination of pollutants.
PASS THROUGH. A discharge proceeding through a POTW into waters of the state in quantities or concentrations that, alone or in conjunction with a discharge or discharges from other sources, is a cause of a violation of any requirement of the town’s NPDES permit (including an increase in the magnitude or duration of a violation).
PERSON(S). Any individual, partnership, co-partnership, firm, company, corporation, association, joint stock company, trust, estate, governmental entity or any other legal entity, or their legal representatives, agent, or assigns. This definition includes all federal, state or local governmental entities.
pH. A measure of the acidity or alkalinity of a substance, expressed in standard units.
POLLUTANT. Any dredged spoil, solid waste, incinerator residue, sewage, garbage, sewage sludge, munitions, medical wastes, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt, municipal agricultural and industrial wastes, and the characteristics of the wastewater (such as, pH, temperature, TSS, turbidity, color, BOD, chemical oxygen demand (COD), toxicity and odor).
PRETREATMENT. The reduction of the amount of pollutants, the elimination of pollutants, or the alteration of the nature of pollutant properties in wastewater prior to or in lieu of introducing such pollutants into the POTW. This reduction or alteration can be obtained by physical, chemical or biological processes; by process changes; or by other means, except by diluting the concentration of the pollutants unless allowed by an applicable pretreatment standard.
PRETREATMENT REQUIREMENT. Any substantive or procedural requirement related to pretreatment, other than a pretreatment standard, imposed on an industrial user, including applicable local limits.
PRETREATMENT STANDARDS.
(1) State pretreatment standards as established in 327 I.A.C. 5-18-8;
(2) Pretreatment standards for prohibited discharges, as established in 327 I.A.C. 5-18-2; and
(3) National categorical pretreatment standards incorporated by reference in 327 I.A.C. 5-18-10.
PRIVATE SANITARY SEWER. A sewer which is not owned by a public authority.
PRIVATE SEWER. A sewer which is not owned by a public authority.
PRIVATE STORM SEWER. A sewer which is not owned by a public authority.
PROHIBITED DISCHARGE STANDARDS or PROHIBITED DISCHARGES. Absolute prohibitions against the discharge of certain substances; these prohibitions appear in this subchapter.
PROPERLY SHREDDED GARBAGE. The wastes from the preparation, cooking and dispensing of food that has been shredded to such a degree that all particles will be carried freely under the flow conditions normally prevailing in public sewers. It will have no particle greater than one-half inch in any dimension.
PUBLIC SANITARY SEWER. A sewer which is owned and controlled by the public authority and consists of the following increments:
(1) INTERCEPTOR. A sewer whose primary purpose is to collect wastewater from trunks and transports the wastewater to the POTW.
(2) MAIN. A sewer whose primary purpose is to collect wastewaters from lateral line(s).
(3) TRUNK. A sewer whose primary purpose is to collect and transport wastewater from mains.
PUBLIC SEWER. A sewer which is owned and controlled by the public authority and will consist of the following increments:
(1) COLLECTOR SEWER. A sewer whose primary purpose is to collect wastewaters from individual point source discharges.
(2) FORCE MAIN. A pipe in which wastewater is carried under pressure.
(3) INTERCEPTOR SEWER. A sewer whose primary purpose is to transport wastewater from collector sewers to a treatment facility.
(4) PUMPING STATION. A station positioned in the public sewer system at which wastewater is pumped to a higher level.
PUBLICLY OWNED TREATMENT WORKS or POTW. A treatment works owned by the state or municipality except it does not include pipes, sewers or other conveyances not connected to a facility providing treatment. This definition includes any devices or systems used in the collection, storage, treatment, recycling, and reclamation of sewage and/or compatible industrial wastes. The term includes sewers, pipes and other conveyances if they convey wastewater to a treatment plant. The term also means the municipal entity having jurisdiction over the indirect discharges to and the discharges from such treatment works.
REGIONAL ADMINISTRATOR. The Region 5 Administrator of the United States Environmental Protection Agency (EPA) who is the designated approval authority for the state.
SANITARY SEWER. A sewer which carries sewage and to which storm, surface and groundwater are not intentionally admitted.
SEPTIC TANK WASTE. Any sewage from holding tanks such as vessels, chemical toilets, campers, trailers and septic tanks.
SEWAGE. Human excrement and gray water (household showers, dishwashing operations and the like).
(1) COMBINED SEWAGE. Wastes, including sanitary sewage, industrial sewage, stormwater, infiltration and inflow earned to the water pollution control facility by a combined sewer.
(2) INDUSTRIAL SEWAGE. A combination of liquid and water carried wastes, discharged from any industrial establishment, and resulting from any trade or process earned on in the establishment (this shall include the wastes from pretreatment facilities and polluted cooling water).
(3) SANITARY SEWAGE. The combination of liquid and water carried wastes discharged from toilet and other sanitary plumbing facilities.
SEWAGE TREATMENT PLANT. Any arrangement of devices and structures used for treating sewage.
SEWAGE WORKS. All facilities for collecting, pumping, treating and disposing of sewage.
SEWER. A pipe, drain or conveyance system used to carry off wastewater and stormwater.
SIGNIFICANT INDUSTRIAL USER or SIU.
(1) Industrial users subject to categorical pretreatment standards under 327 I.A.C. 5-18-10;
(2) An industrial user that:
(a) Discharges an average of 25,000 gpd or more of process wastewater to the POTW (excluding sanitary, noncontact cooling and boiler blowdown wastewater);
(b) Contributes a process wastestream that makes up 5% or more of the average dry weather hydraulic or organic capacity of the POTW treatment plant; or
(c) Is designated as a significant industrial user by the control authority on the basis that the industrial user has a reasonable potential to adversely affect the POTW’s operation, violate a pretreatment standard or violate a requirement of 327 I.A.C. 5-19-3.
(3) The control authority may, on its own initiative or in response to a petition received from an industrial user or a POTW and in accordance with 327 I.A.C. 5-19-3(6), determine that an industrial user is not a significant industrial user if it does not meet Part III.A.9.b.(3) of the town’s permit.
SLUG. Any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standards of this subchapter or any discharge of a nonroutine, episodic nature, including but not limited to, an accidental spill or a non-customary batch discharge which has a reasonable potential to cause interference or pass through or in any other way violates the POTW’s regulations, local limits, or permit conditions.
SLUDGE. Biomass residue generated from the treatment process of water pollution control facility.
STORM DRAIN (STORM SEWER). A sewer which carries storm and surface waters and drainage, but excludes sewage and industrial wastes, other than unpolluted cooling water.
STORMWATER. Any flow occurring during or following any form of natural precipitation and resulting therefrom, including snowmelt and groundwater.
SUPERINTENDENT. The person designated by the town to supervise the operation and maintenance of the POTW, and who is charged with certain duties and responsibilities to supervise and enforce this subchapter; the POTW’s duly authorized representative(s).
SUSPENDED SOLIDS or TOTAL SUSPENDED SOLIDS (TSS). The total suspended matter that floats on the surface of, or is suspended in, water, wastewater, or other liquid and which is removable by laboratory filtering.
TAP. The private sewer, sanitary and/or storm, connection on and attached to the town’s sewer, sanitary and/or storm, system which includes the area to the first joint on each side of the lateral line connection into the municipal system and is the responsibility of the private owner(s) for any and all costs incurred for maintenance, proper operation, repairs and construction to ensure proper operation.
TOXIC POLLUTANT. One of 126 pollutants, or combination of those pollutants, listed as toxic in regulations promulgated by the EPA under the provision of Section 307 (33 U.S.C. § 1317) of the Act.
TREATMENT PLANT EFFLUENT. Any final discharge of from the POTW into waters of the state.
UNPOLLUTED WATER. Water of quality equal to or better than the effluent criteria in effect, or water that would not cause violation of receiving water quality standards and would not be benefitted by discharge to the sanitary sewers and wastewater treatment facilities provided.
USER. Any person(s) which discharge to the town’s sewer system and or storm water system. A source of indirect discharge.
WASTEWATER. Liquid and water-carried industrial wastes, and sewage from residential dwellings, commercial buildings, industrial and manufacturing facilities, and institutions, whether treated or untreated, which are contributed to the POTW.
WASTEWATER TREATMENT PLANT or TREATMENT PLANT. That portion of the POTW which is designed to provide treatment of municipal sewage and industrial waste.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(Ord. V-B-1-a(2), passed 2-7-1983; Ord. 2019-8-26(A), passed 8-26-2019)