For the purpose of this chapter, the following abbreviations 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, 33 U.S.C. § 1251 et seq.
APPROVAL AUTHORITY. The State of Indiana or Regional Administrator of the US EPA, Region 5.
AUTHORIZED REPRESENTATIVE OF THE INDUSTRIAL USER.
(1) If the industrial user is a corporation, authorized representative shall mean:
(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;
(b) The manager of 1 or more manufacturing, production, or operation facilities employing more than 250 persons or having gross annual sales or expenditures exceeding $25 million, if authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures;
(2) If the industrial user is a partnership, or sole proprietorship, an authorized representative shall mean a general partner or proprietor, respectively;
(3) If the industrial user is a federal, state or local governmental facility, an authorized representative shall mean a director or highest official appointed or designated to oversee the operation and performance of the activities of the government facility, or his/her designee;
(4) The individuals described in subsections (1) through (3) above may designate another 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 Superintendent.
BIOCHEMICAL OXYGEN DEMAND or B.O.D. The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures for 5 days at 20° C., usually expressed as a concentration (such as, mg/l).
BOARD OF PUBLIC WORKS AND SAFETY. The administrative governing body of the public utilities of the city.
BUILDING DRAIN or HOUSE DRAIN. The 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 4 feet outside the building wall.
BUILDING. A building drain which conveys sanitary or industrial sewage only.
BUILDING DRAIN, STORM. A building drain which conveys storm water or other clear water drainage, but no wastewater.
BUILDING SEWER. The extension from the building drain to the public sewer main or other place of disposal (also called house connection).
BUILDING SEWER, SANITARY. A building sewer which conveys sanitary or industrial sewage only.
BUILDING DRAIN, STORM. A building sewer which conveys storm water or other clear water drainage, but no wastewater.
CATEGORICAL PRETREATMENT STANDARD or CATEGORICAL STANDARD. Any regulation containing pollutant discharge limits promulgated by the US 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 it if the treatment works was 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 contemplates removals in the order of 80% or greater. Minor incidental removals in the order of 10% to 30% are not considered substantial. Examples of the additional pollutants which may be considered compatible include chemical oxygen demand, total organic carbon, phosphorus and phosphorus compounds, nitrogen and nitrogen compounds, and fats, oils and greases of animal or vegetable origin (except as prohibited where these materials would interfere with the operation of the treatment works).
COMPOSITE SAMPLE. The sample resulting from the combination of individual wastewater samples taken at selected intervals based on an increment of either flow or time.
EASEMENT. An acquired legal right for the specific use of land owned by another.
ENVIRONMENTAL PROTECTION AGENCY or EPA. The US Environmental Protection Agency or, where appropriate, the Regional Water Management Division Director, or other duly authorized official of the agency.
FECAL COLIFORM. Any of a 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 will separate by gravity from wastewater by treatment in a pretreatment facility approved by the city.
FOG – FATS, OIL AND GREASE. Any substance such as a vegetable or animal product that is used in, or is a by-product of, the cooking or food preparation process, and that turns or may turn viscous or solidifies or may solidify with a change in temperature or due to other conditions.
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 without regard to the flow in the wastestream and over a period of time not to exceed 15 minutes.
INCOMPATIBLE POLLUTANT. Any pollutant that is not defined as a compatible pollutant, including non-biodegradable dissolved solids.
INDUSTRIAL WASTES. The liquid wastes from industrial manufacturing processes, or business as distinct from sanitary sewage.
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 discharge into a sewer system, including building drains and sewers, from such sources as, but not limited to, roof leaders, clear yards and area drains, foundation drains, unpolluted cooling water discharge, drains from springs and swamp areas, manhole covers, cross connections from storm sewers, and combined sewers, catch basins, storm waters, surface run-off, street wash waters or drainage. INFLOW does not include, and is distinguished from, infiltration.
INFLOW/INFILTRATION. The total quantity of water from both infiltration and inflow without distinguishing the source.
INSPECTOR. The person or persons duly authorized by the city, through its Common Council, to inspect and approve the installation of building sewers and their connection to the public sewer system.
INSTANTANEOUS MAXIMUM ALLOWABLE DISCHARGE LIMIT. The maximum concentration 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. A discharge, that, alone or in conjunction with a discharge or discharges from other sources, does 1 of the following:
(1) Inhibits or disrupts the POTW, its treatment processes or operations, its sludge processes, or its selected sludge use or disposal methods.
(2) Causes a violation of any requirement of the POTW’s NPDES permit, including an increase in the magnitude or duration of a violation.
(3) Prevents the use of the POW’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:
(a) Section 405 of the Clean Water Act (33 U.S.C. § 1345).
(b) The Solid Waste Disposal Act (SWDA) (42 U.S.C. § 6901), including:
1. Title 11, more commonly referred to as the Resource Conservation and Recovery Act (RCRA); and
2. The rules contained in any sate sludge management plan prepared pursuant to Subtitle D of the SWDA (42 U.S.C. § 6941).
(c) The Clean Air act (42 U.S.C. § 7401).
(d) The Toxic Substances Control Act (15 U.S.C. § 2601).
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.
MEDICAL WASTE. Isolation wastes, infectious agents, human blood and blood products, pathological wastes, sharps, body parts, contaminated bedding, surgical wastes, potentially contaminated laboratory wastes, and dialysis wastes.
NATURAL OUTLET. Any outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake, or other body of surface or ground water.
NORMAL DOMESTIC SEWAGE. The same meaning as defined in and shall not exceed the limits set forth in the most recent Sewage Rate Ordinance, which is available for public inspection at the office of the City Clerk-Treasurer.
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. A permit issued under the National Pollutant Discharge Elimination System for discharge of wastewaters to the navigable waters of the United States pursuant to I.C. 4023 PL 92-500 (33 U.S.C. § 1251 et seq.).
PASS THROUGH. A discharge which exits the POTW into waters of the United States in quantities or concentrations which, alone or in conjunction with a discharge or discharges from other sources, is a cause of a violation of any requirement of the city's NPDES permit, including an increase in the magnitude or duration of a violation.
pH. A measure of the acidity or alkalinity of a solution, expressed in standard units.
POLLUTANT. Dredged spoil, solid waste, incinerator residue, filter backwash, 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 certain characteristics of wastewater (such as, pH, temperature, TSS, turbidity, color, B.O.D., C.O.D., toxicity, or odor).
PRETREATMENT. The treatment of industrial sewage from privately owned industrial sources prior to introduction in a public treatment works.
PROHIBITED DISCHARGE STANDARDS or PROHIBITED DISCHARGES. Absolute prohibitions against the discharge of certain substances; these prohibitions appear in § 52.015 of this chapter.
PUBLICLY OWNED TREATMENT WORKS or POTW. A “treatment works,” as defined by Section 212 of the Act (33 U.S.C. § 1292) which is owned by the city. This definition includes any devices or systems used in the collection, storage, treatment, recycling, and reclamation of sewage or industrial wastes of a liquid nature and any conveyances which convey wastewater to a treatment plant.
PUMPING STATION. A station positioned in the public sewer system at which wastewater is pumped to a higher level.
PRIVATE SEWER. A sewer which is not owned by a public authority.
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, with no particle greater than 1/2-inch in any dimension.
SANITARY SEWER or SANITARY SEWER MAIN. A sewer which caries sanitary and/or industrial wastes, and to which storm, surface, and ground water are not intentionally admitted.
SEPTIC TANK WASTE. Any sewage from holding tanks such as vessels, chemical toilets, campers, trailers, and septic tanks.
SEWAGE. The combination of the liquid and water carried wastes from residences, commercial buildings, industrial plants and institutions (including polluted cooling water). The 3 most common types of sewage are:
(1) SANITARY SEWAGE. The combination of liquid and water carried wastes discharged from toilet and other sanitary plumbing facilities.
(2) INDUSTRIAL SEWAGE. A combination of liquid and water carried wastes, discharged from any industrial establishment, and resulting from any trade or process carried on in that establishment (this shall include the wastes from pretreatment facilities and polluted cooling water).
(3) COMBINED SEWAGE. Wastes including sanitary sewage, industrial sewage, storm water, infiltration and inflow carried to the wastewater treatment facilities by a combined sewer.
SIGNIFICANT INDUSTRIAL USER. Applies to:
(1) Industrial users subject to categorical pretreatment standards;
(2) Any other 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 waste stream which makes up 5% or more of the average dry weather hydraulic or organic capacity of the treatment plant; or
(c) Is designated as significant by the city on the basis that the industrial user has a reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement.
(3) Upon finding that a user meeting the criteria in § 52.015 of this chapter has no reasonable potential for adversely affecting the POTW's operation or for violating any pretreatment standard or requirement, the city may at any time, on its own initiative or in response to a petition received from a user, and in accordance with procedures in 40 C.F.R. § 403.8(f)(6), determine that such user should not be considered a significant industrial user.
SLUG LOAD or SLUG. Any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standards in § 52.015 of this chapter.
STORM WATER. Any flow occurring during or following any form of natural precipitation, and resulting from such precipitation, including snowmelt.
STRENGTH-OF-WASTES SURCHARGE. The extra charges for sewerage service assessed users whose sewage is of such a nature that it imposes upon the sewage works a burden greater than that covered by the basic user charge.
SUPERINTENDENT. The Superintendent/Manager of the Municipal Sewage Works of the city or his/her authorized deputy, agent or representative.
SURCHARGES. A charge for sewerage services in addition to the basic user and debt service charges.
SUSPENDED SOLIDS. 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.
TOTAL SOLIDS. The sum of suspended and dissolved solids.
TOXIC AMOUNT. Concentration of any pollutant or combination of pollutants, which upon exposure to or assimilation into any physiological manifestation, as defied in standards issued pursuant to I.C. 307(a) of PL 92-500 (33 U.S.C. § 1251 et seq.).
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 or INDUSTRIAL USER. A source of indirect discharge.
VOLATILE ORGANIC MATTER. The material in the sewage solids transformed to gases or vapors when heated at 550° C. for 15 to 20 minutes.
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 natural or artificial channel for the passage of water either continuously or intermittently.
WATERS OF THE STATE. Any water, surface, or underground, within the boundaries of the state, except confined waters in sewers and tanks.
WELLED CUSTOMER. Any customer that receives his/her water supply from a privately-owned well and is not a part of the city water system or any wholesale customer of the city water system and utilizes the city public sanitary system.
(Ord. 2-2007, passed 1-23-2007)