§ 51.003  DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   APPROVAL AUTHORITY. The State of Indiana Department of Environmental Management (IDEM).
   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.
      (1)   BUILDING DRAIN - SANITARY. A building drain which conveys sanitary or industrial sewage only.
      (2)   BUILDING DRAIN - STORM. A building drain which conveys stormwater or other unpolluted water drainage, but no wastewater.
   BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal (also called house connection).
      (1)   BUILDING SEWER - SANITARY. A building sewer which conveys sewage only.
      (2)   BUILDING SEWER - STORM. A building sewer which conveys stormwater or other clearwater drainage, but no sanitary or industrial sewage.
   CARBONACEOUS BIOCHEMICAL OXYGEN DEMAND (CBOD). The depletion of dissolved oxygen by biological organisms in a body of water (sewage, sewer effluent, polluted waters or industrial wastes) in which the contribution from nitrogenous bacteria has been suppressed.
   COMBINED SEWER. A sewer intended to receive both wastewater and storm or surface water.
   COMPATIBLE POLLUTANT. Wastewater having or containing: measurable CBOD, total suspended solids, pH, E. coli, or additional pollutants identified or defined in the town's National Pollutant Discharge Elimination System (NPDES) permit, if the POTW is designed to treat such pollutants and does, in fact, remove such pollutants to the degree required by the POTW's NPDES permit.
   COMPOSITE SAMPLE. A composite sample should contain a minimum of four discrete samples, taken at equal time intervals over the compositing period or proportional to the flow rate over the compositing period.
   CROSS-CONNECTION. Any physical connection or arrangement between two otherwise separate systems, one of which contains potable water from the town water system, and the other water from a private source, water of unknown or questionable safety, or steam, gases, or chemicals, whereby there may be a flow from one system to the other, the direction of flow depending on the pressure differential between the two systems.
   EASEMENT. An acquired legal right for the specific use of land owned by others.
   FATS, RAGS, OIL AND GREASE (FROG). A solid or viscous pollutant in an amount that could cause obstruction to the sewerage system, specifically referencing fats and oils, rags, and grease.
   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.
   FINE or PENALTY. For purposes of this chapter, these terms will be used synonymously, meaning a monetary charge or payment imposed upon a person or user that is not complying with the requirements of this chapter or has been convicted of a crime of offence. Fines or penalties are imposed by the town to the user as part of enforcement actions.
   GARBAGE. Solid castes from the domestic and commercial preparation, cooking, and dispensing of food, and from the handling, storage and sale of produce.
   GRAB SAMPLE. A sample taken on a one-time basis without consideration for flow or time.
   HAULED or TRUCKED POLLUTANTS. Wastes, including holding tank waste, which is trucked or hauled from any location prior to discharge to the POTW, collection system, or by any other conveyance.
   INDIRECT DISCHARGER. A nondomestic discharger introducing pollutants into a POTW, regardless of whether the discharger is within the governmental jurisdiction of the user.
   INDUSTRIAL WASTES. Any solid, liquid, or gaseous substance or form of energy discharged, permitted to flow or escaping from an industrial, manufacturing, commercial, or business process or from the development, recovery, or processing of any natural resources carried on by any person, exclusive of 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).
   INFILTRATION/INFLOW. The total quantity of water from both infiltration and inflow without distinguishing the source.
   INFLOW. The water discharge into a sewer system, including building drains and sewers, from such sources as, but not limited to, roof leaders, sump pumps, 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, stormwater, surface run-off, 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 of building sewers and their connection to the public sewer system.
   INTERFERENCE. A discharge that, alone or in conjunction with a discharge or discharges from other sources, does one of the following:
      (1)   Inhibits or disrupts the sewerage system, its treatment processes or operations, its sludge processes, or its selected sludge use or disposal methods.
      (2)   Causes odorous impacts to the sewerage system.
      (3)   Causes a violation of any requirement of the town's NPDES permit, including an increase in the magnitude or duration of a violation.
      (4)   Prevents 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 federal, state, or local laws, rules, or regulations:
         (a)   Section 405 of the Clean Water Act (33 U.S.C. 1345), as it may be amended.
         (b)   The Solid Waste Disposal Act (SWDA) (42 U.S.C. 6901), as it may be amended, including:
            1.   Title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA), as it may be amended; and
            2.   The rules contained in any state sludge management plan prepared pursuant to Subtitle D of the SWDA (42 U.S.C. 6941), as it may be amended.
         (c)   The Clean Air Act (42 U.S.C. 7401), as it may be amended.
         (d)   The Toxic Substances Control Act (15 U.S.C. 2601), as it may be amended.
   LATERAL. A privately-owned pipeline connecting a property to the publicly-owned main sewer line that is the responsibility of the property owner to maintain and repair. Also known as, building sewer.
   MAY. This term is permissive.
   NATURAL OUTLET. Any outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface or groundwater.
   NORMAL DOMESTIC SEWAGE (TO DETERMINE SURCHARGES). Wastewater or sewage having either an average daily concentration as follows:
      (1)   CBOD5 not more than 250 mg/l;
      (2)   TSS not more than 250 mg/l;
      (3)   Phosphorus not more than 15 mg/L;
      (4)   FROG not more than 100 mg/L;
      (5)   Petroleum, non-biodegradable cutting oil, mineral oils not more than 0 mg/L; and
      (6)   TKN not more than 40 mg/l; or
      (7)   As defined by origin, wastewaters from segregated domestic and/or sanitary conveniences, as distinct from wastes from industrial processes.
   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. § 13-18 and 33 U.S.C. 1342.
   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. Any individual, partnership, co-partnership, firm, company, association, joint stock company, trust, estate, governmental entity, society, corporation, group or any other legal entity, or their legal representatives, agents, or assigns.
   pH. A measure of the acidity or alkalinity of a solution expressed in standard units of 0-14.
   PLUMBER. A person or firm licensed by the State of Indiana and recognized qualified to perform plumbing services.
   POLLUTANT. Any dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, medical wastes, chemical wastes, toxic wastes, hazardous substances, biological materials, radioactive materials, heat, wrecked or discharged equipment, rock, sand, cellar dirt, and industrial, municipal, commercial, and agricultural wastes or any other contaminant discharged into water; also includes certain characteristics of wastewater (e.g., pH, temperature, TSS, turbidity, color, BOD, COD, toxicity, or odor.
   PRETREATMENT. The reduction of the amount of pollutants, the elimination of pollutants, the eliminations 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 REQUIREMENTS. Any substantive or procedural requirements related to pretreatment, other than a pretreatment standard, imposed on an industrial user, including applicable local limits.
   PRETREATMENT STANDARDS. Any prohibited discharge standards, categorial pretreatment standards, and local limits, including state pretreatment standards as established by 327 IAC 5-18-8; pretreatment standards for prohibited discharges, as established in 327 IAC 5-18-2; National Categorical Pretreatment Standards incorporated by reference in 327 IAC 5-18-10.
   PRIVATE SEWER. A sewer which is not owned by the town.
   PROCESS WASTEWATER. Any water that, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product.
   PROHIBITED DISCHARGE STANDARDS or PROHIBITED DISCHARGES. Absolute prohibitions against the discharge of certain substances; these prohibitions appear in §§ 51.204 and 51.205 of this chapter.
   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 one-half inch in any dimension.
   PUBLIC SEWER. A sewer which is owned and controlled by the town/POTW.
   PUBLICLY OWNED TREATMENT WORKS (POTW). A treatment works, as defined by section 212 of the Clean Water Act (33 U.S.C. § 1292), owned by the town and includes any devices, structures and 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.
   REPLACEMENT COSTS. The expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the useful life of the POTW to maintain the capacity and performance for which such works were designed and constructed.
   SANITARY SEWER. A sewer which carries sanitary and industrial wastewaters, and to which storm, surface, and ground water are not intentionally admitted.
   SEWAGE. The liquid and water-carried waste from residences, commercial buildings, industrial plants, institutions, and other places of human occupancy that is transported by sewers and is primarily composed of human and household waste. Sanitary wastewater, as received by a POTW, may contain a component of industrial waste.
   SEWERAGE SYSTEM. The structures, equipment and process required to collect, transport and treat domestic and industrial wastes and dispose of the effluent and accumulated residual solids.
   SEWER. A pipe or conduit for carrying sewage.
   SHALL. This term is mandatory.
      (1)   Industrial users subject to categorical pretreatment standards; or
      (2)   An industrial user that:
         (a)   Discharges an average of 25,000 gallons per day (gpd) or more of process wastewater to the POTW (excluding sanitary, non-contact cooling and boiler blowdown wastewater);
         (b)   Contributes a process wastestream which makes up 5% or more of the average dry weather hydraulic or organic capacity of the POTW; or
         (c)   Is designated as such by the town on the basis that the industrial user has a reasonable potential for adversely affecting the POTW's operation, violating a pretreatment standard, or violating a requirement of 327 IAC 5-19-3.
      (3)   The approval 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 IAC 5-19-3(6), determine that an industrial user is not a significant industrial user if it does not meet division (2)(c) of this definition.
   SLUG or SLUG DISCHARGE. Any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standards in §§ 51.204 and 51.205. A slug discharge is any discharge of a non-routine, 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 violate the POTW's regulations, local limits or permit conditions.
   STANDARD METHODS. The laboratory procedures set forth in the latest edition, at the time of analysis, of 40 CFR 136 and its amendments.
   STORM SEWER. A sewer for conveying stormwater, surface water, ground water, or unpolluted water from any source and to which sanitary and/or industrial wastes are not intentionally admitted.
   STORMWATER. Stormwater runoff, snow melt runoff, and surface runoff and drainage.
   SUPERINTENDENT. The responsible individual for the operation of the POTW, and who is charged with certain duties and responsibilities under this chapter, or a duly authorized deputy, agent or representative.
   TOTAL KJELDAHL NITROGEN (TKN). TKN is the total concentration of organic nitrogen, ammonia and ammonium in soil, water, or wastewater.
   TOTAL SUSPENDED SOLIDS (TSS). Solids that either float on the surface of, or are in suspension in water, sewage or other liquids, and which are removable by laboratory filtering.
   TOWN. Authorized employees of the Town of Waterloo, Indiana.
   TOWN COUNCIL. The Town Council or any duly authorized officials acting in its behalf.
   TOWN MANAGER. The responsible individual for the administrative management of the Town of Waterloo and the POTW, and who is charged with certain duties and responsibilities under this chapter or a duly authorized deputy, agent or representative.
   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 benefited by discharge to the sanitary sewers and wastewater treatment facilities provided.
   UPSET. An exceptional incident in which there is unintentional and temporary noncompliance with pretreatment standards because of factors beyond the reasonable control of the industrial user. An upset does not include noncompliance to the extent caused by operational error, improperly designed pretreatment facilities, inadequate pretreatment facilities, lack of preventive maintenance, or careless or improper operation.
   USER. A person who introduces into or discharges into the sewerage system, including both the owner and occupant of real estate from which is introduced or discharged into the sewerage system, any substance whatever.
   USER CHARGE. A charge levied on users of the wastewater POTW for the cost of operation and maintenance of the POTW as may be amended from time to time by the Town Council.
   USER CLASS. The division of wastewater treatment customers by source, function, waste characteristics, and process of discharge similarities (i.e., residential, commercial, industrial, institutional, and governmental).
      (1)   RESIDENTIAL USER. A user of the POTW whose premises or building is used primarily as a residence for one or more persons, including all dwelling units, and the like.
      (2)   COMMERCIAL USER. Any establishment involved in a commercial enterprise, business, or service which, based on a determination by the Superintendent, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
      (3)   INSTITUTIONAL USER. Any establishment involved in a social, charitable, religious, and/or educational function which, based on a determination by the Superintendent, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
      (4)   GOVERNMENTAL USER. Any federal, state, or local governmental user of the wastewater POTW.
      (5)   INDUSTRIAL USER. Any source of an indirect discharge to the POTW from manufacturing or processing facilities.
   WASTEWATER. The liquid and water-carried industrial wastes and sewage from residential dwellings, commercial buildings, institutions, and industrial and manufacturing facilities, whether treated or untreated, which are contributed to the POTW.
   WATERCOURSE. A natural or artificial channel for the passage of water either continuously or intermittently.
(Ord. 19-01, passed 4-9-19)