For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BOD or BIOCHEMICAL OXYGEN DEMAND. The quantity of dissolved oxygen in milligrams per liter required during stablization of the decomposable organic matter by aerobic biochemical action under standard laboratory procedures for five days at 20 degrees Celsius. The laboratory determinations of BOD shall be made in accordance with procedures set forth in Standard Methods, therein and conventionally referred to as BOD5.
BUILDING 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 three feet outside the building wall.
(1) SANITARY BUILDING DRAIN. A building drain which conveys sanitary or industrial sewage only.
(2) STORM BUILDING DRAIN. A building drain which conveys stormwater or other clearwater drainage, but no wastewater.
BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal. A BUILDING SEWER is also called “house connection.”
(1) SANITARY BUILDING SEWER. A building sewer which conveys sanitary or industrial sewage only.
(2) STORM BUILDING SEWER. A building sewer which conveys stormwater or other clearwater drainage, but no sanitary or industrial sewage.
CLEARWATER DISCHARGE. Uncontaminated cooling water.
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 was designed to treat the pollutants, and in fact does remove the 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 20% are not considered substantial. Examples of the additional pollutants which may be considered compatible include:
(1) Chemical oxygen demand;
(2) Total organic carbon;
(3) Phosphorus and phosphorus compounds; and
(4) Nitrogen and nitrogen compounds, fats, oils and greases of animal or vegetable origin, except as prohibited where these materials would interfere with the operation of the treatment works.
CONTROL AUTHORITY (“CA”). The commissioner of the Indiana Department of Environmental Management.
COUNCIL. The Town Council or any duly authorized officials acting in its behalf.
DEBT SERVICE COSTS. The average annual principal and interest payments on all proposed revenue bonds or other long-term capital debt.
EASEMENT. An acquired legal right for the specific use of land owned by others.
EXCESSIVE STRENGTH SURCHARGE. An additional charge which is billed to users for treating sewage wastes with an average strength in excess of normal domestic sewage.
FECAL COLIFORM. Any of a number of organisms common to the intestinal tract of humans 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 town.
GARBAGE. Solid wastes from the domestic and commercial preparation, cooking and dispensing of food, and from the handling, storage and sale of produce.
INCOMPATIBLE POLLUTANT. Any pollutant that is not defined as a compatible pollutant, including non-biodegradable dissolved solids.
INDIRECT DISCHARGER. A nondomestic discharger introducing pollutants into the Winamac POTW, regardless of whether the discharger is within the governmental jurisdiction of the permittee.
INDUSTRIAL USER. An indirect discharger.
INDUSTRIAL WASTES. The liquid wastes from industrial manufacturing processes, trade or business as distinct from employee wastes or wastes from sanitary conveniences.
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/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, 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, storm waters, 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 Council to inspect and approve the installation of building sewers and their connection to the public sewer systems.
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 Winamac POTW, its treatment processes or operations, its sludge processes, or its selected sludge use or disposal methods.
(2) Causes a violation of requirement of the Winamac POTW’s NPDES permit, including an increase in the magnitude or duration of a violation.
(3) Prevents the use of the Winamac 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.
(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:
A. Title II, more commonly referred to as the Resource Conservation and Recovery Act (RCRA); and
B. The rules contained in any state 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).
MAY. The act referred to is permissive.
NORMAL DOMESTIC SEWAGE.
(1) Wastewater or sewage having an average daily concentration as follows:
(a) BOD not more than 200 mg/l; and
(b) SS not more than 200 mg/l.
(2) As defined by origin, wastewater 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 wastewater to the navigable waters of the United States pursuant to Section 402 of P.L. 92-500 (33 USC 1342).
OPERATION AND MAINTENANCE COSTS. All costs, direct and indirect, necessary to provide adequate wastewater collection, transport and treatment on a continuing basis and produce discharges to receiving waters that conform with all related federal, state and local requirements. These costs include replacement.
OTHER SERVICE CHARGES. Tap charges, connection charges, area charges and other identifiable charges other than user charges, debt service charges and excessive strength surcharges.
OUTLET. Any outlet, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface or groundwater.
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, are a cause of violation of any requirement of the POTW’s NPDES permit, including an increase in the magnitude or duration of a violation.
PERSON. Any individual, firm, company, association, society, corporation, group or other entity.
pH. The reciprocal of the logarithm of the hydrogen ion concentration. The concentration is the weight of hydrogen ions in grams per liter of solution.
PRETREATMENT. The treatment of industrial sewage from privately owned industrial sources prior to introduction into a public treatment works.
PRETREATMENT REQUIREMENTS. Any substantive or procedural requirement related to pretreatment, other than a pretreatment standard, imposed on an industrial user, including applicable load limits.
PRETREATMENT STANDARDS. The state pretreatment standards located at 327 IAC 5-16 through 5-21 are hereby incorporated.
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 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.
PUBLICLY OWNED TREATMENT WORKS (“POTW”). The town’s sewage treatment and collection facilities including the sewers within the rights-of-ways and easements owned by the town, and the treatment facilities. It does not include sewers on private property serving individual homes or industrial dischargers.
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 wastewater from individual point of the discharge.
(2) INTERCEPTOR SEWER. A sewer whose primary purpose is to transport wastewater from collector sewers to a treatment facility.
(3) FORCE MAIN. A pipe in which wastewater is carried under pressure.
(4) PUMPING STATION. A station positioned in the public sewer system at which wastewater is pumped to a higher level.
REPLACEMENT COSTS. The expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which the works were designed and constructed.
SANITARY SEWER. A sewer which carries sanitary and industrial wastes, and to which storm, surface and ground water are not intentionally admitted.
SEWAGE. The combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions, including polluted cooling water. The most common types of sewage are:
(1) 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.
(2) SANITARY SEWAGE. The combination of liquid and water-carried wastes discharged from toilet and other sanitary plumbing facilities.
SEWAGE WORKS. The structures, equipment and processes 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. The act referred to is mandatory.
SIGNIFICANT INDUSTRIAL USER (“SIU”).
(1) Industrial users subject to categorical pretreatment standards under 327 IAC 5-18-10.
(2) An industrial user that:
(a) Discharges an average of 25,000 gallons per day or more of process wastewater (excluding sanitary, noncontact cooling and boiler blowdown wastewater) to the POTW;
(b) Contributes a process waste stream 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:
1. Adversely affect the POTW’s operation;
2. Violate a pretreatment standard; or
3. Violate a requirement of 327 IAC 5-19-3.
(3) The control authority may, on its own initiative or in response to a petition received from an industrial user or the 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 (2)(c) above.
SLUG. Any discharge of water or wastewater which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than ten minutes more than three times the average 24 hours concentration of flows during the normal operation and shall adversely affect the collection system.
STANDARD METHODS. The laboratory procedures set forth in the latest edition, at the time of analysis of “Standard Methods for the Examination of Water and Wastewater,” prepared and published jointly by the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation.
STORM SEWER. A sewer for conveying water, ground water or unpolluted water from any source and to which sanitary and/or industrial wastes are not intentionally admitted.
SUPERINTENDENT. The Superintendent of the municipal sewage works of the town or his or her authorized deputy, agent or representative.
SUSPENDED SOLIDS. 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 under standard laboratory procedure.
TOTAL SOLIDS. The sum of suspended and dissolved solids.
TOWN. Winamac, Indiana, acting by and through the Town Council.
TOXIC AMOUNT. Concentrations of any pollutant or combination of pollutants, which upon exposure to or assimilation into any organism will cause adverse effects, such as cancer, genetic mutations and physiological manifestations, as defined in standards issued pursuant to Section 307(a) of P.L. 92-500 (33 USC 1317(a)).
UNPOLLUTED WATER. Water of quantity 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 CHARGE. A charge levied on users of the wastewater treatment works for the cost of operation and maintenance of the works, pursuant to Section 203(b) of P.L. 92-500.
USER CLASS. The division of wastewater treatment customers by source, function, waste characteristics and process or discharge similarities, i.e., residential, commercial, industrial, institutional and governmental in the user charge system.
VOLATILE ORGANIC MATTER. The material in the sewage solids transformed to gases or vapors when heated at 55°C for 15 to 20 minutes.
WATERCOURSE. A natural or artificial channel for the passage of water either continuously or intermittently.
(Ord. 16 of 2007, passed 12-10-2007)