For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BIOCHEMICAL OXYGEN DEMAND or BOD. The quantity of oxygen, expressed in mg/l, utilized in the biochemical oxidation of organic matter under standard laboratory procedures in five days at 20°C.
BUILDING DRAIN. The part of the lowest horizontal piping of a drainage system that 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 DRAIN, SANITARY. A building drain that conveys sanitary or industrial sewage only.
BUILDING DRAIN, STORM. A building drain that conveys storm water or other clear 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.
BUILDING SEWER, SANITARY. A building sewer that conveys sanitary or industrial sewage only.
BUILDING SEWER, STORM. A building sewer that conveys storm water or other clear water drainage but no sanitary or industrial sewage.
COLLECTOR SEWER. A sewer whose primary purpose is to transport wastewater from COLLECTOR SEWERS to a treatment facility.
COMBINED SEWAGE. Wastes, including sanitary sewage, industrial sewage, storm water, infiltration, and inflow, carried to the wastewater treatment facilities by a combined sewer.
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 those pollutants and, in fact, does remove those pollutants to a substantial degree. The term substantial degree is not subject to precise definition but generally contemplates removals on the order of 80% or greater. Minor incidental removals on the order of 10% to 30% are not considered substantial. Examples of the additional pollutants that may be considered COMPATIBLE include:
(1) Chemical oxygen demand;
(2) Total organic carbon;
(3) Phosphorus and phosphorus compounds;
(4) Nitrogen and nitrogen compounds; and
(5) Fats, oils, and greases of animal or vegetable origin (except as prohibited where these materials would interfere with the operation of the treatment works).
COUNCIL. The Town Council or any duly authorized officials acting on its behalf.
DEBT SERVICE COSTS. The average annual principal and interest payments on all outstanding revenue bonds or other long-term capital debt.
EASEMENT. An acquired legal right for the specific use of land owned by others.
EXCESSIVE STRENGTH SURCHARGES. 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 man and animal whose presence in sanitary sewage is an indicator of pollution.
FLOATABLE OIL. Oil, fat, or grease in a physical state such that it will separate by gravity from wastewater by treatment in a pretreatment facility approved by the town.
FORCE MAIN. A pipe in which wastewater is carried under pressure.
GARBAGE. Solid wastes from the domestic and commercial 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.
INCOMPATIBLE POLLUTANT. Any pollutant that is not defined as a compatible pollutant, including non-biodegradable dissolved solids.
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, including the wastes from pretreatment facilities and polluted cooling water.
INDUSTRIAL WASTES. The wastewater discharges from industrial, trade, or business processes 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 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 discharged 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 to inspect and approve the installation of building sewers and their connection to the public sewer system.
INTERCEPTOR SEWER. A sewer whose primary purpose is to transport wastewater from collector sewers to a treatment facility.
MAJOR CONTRIBUTING INDUSTRY. An industry that:
(1) Has a flow of 50,000 gallons or more per average work day;
(2) Has a flow greater than 5% of the flow carried by the municipal system receiving the waste;
(3) Has in its waste a toxic pollutant in toxic amounts as defined by standards issued under 33 U.S.C. § 1251 et seq.; or
(4) Has a significant impact, either singly or in combination with other contributing industries, on a treatment works or on the quality of effluent from that treatment works.
MAY. The act referred to 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 ground water.
NH3N. Ammonia nitrogen.
NORMAL DOMESTIC SEWAGE.
(1) For the purpose of determining surcharges, wastewater or sewage having an average daily concentration as follows:
(a) BOD not more than 215 mg/l;
(b) S.S. not more than 150 mg/l; and
(c) NH3N not more than 25 mg/l.
(2) As defined by origin, the term refers to wastewaters from segregated domestic and sanitary conveniences as distinct from wastes from industrial processes.
NPDES PERMIT. A permit issued under the National Pollutant Discharge Elimination System for the discharge of wastewaters into the navigable waters of this country pursuant to Section 402 of P.L. 92-500.
OPERATION AND MAINTENANCE COSTS. Include all costs, direct and indirect, necessary to provide adequate wastewater collection, transport, and treatment on a continuing basis and to produce discharges to receiving waters that conform with all related federal, state, and local requirements. These costs include replacement costs.
OTHER SERVICE CHARGES. Tap charges, connection charges, area charges, and other identifiable charges, other than user charges, debt service charges, and excessive strength surcharges.
PERSON. Any and all persons, natural or artificial, including any individual, firm, company, municipal or private corporation, association, society, institution, enterprise, governmental agency, 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.
PRIVATE SEWER. A sewer that is not owned by a public authority.
PUBLIC SEWER. A sewer that is owned and controlled by the public authority and consists of the following increments:
(1) Collector sewer;
(2) Interceptor sewer;
(3) Force main; and
(4) Pumping station.
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 sewage treatment works to maintain the capacity and performance for which those works were designed and constructed.
SANITARY SEWAGE. The combination of liquid and water-carried wastes discharged from toilet and other sanitary plumbing facilities.
SANITARY SEWER. A sewer that carries sanitary and industrial wastes and to which storm, surface, and ground water is not intentionally admitted.
SANITARY VAULT PRIVY. A sanitary privy is one located, constructed, and maintained in such a manner that users do not contact waste matter deposited; that flies, insects, rats, and other animals cannot gain access to the privy interior or vault; that surface or ground water cannot enter the vault; that the waste material in the privy cannot contaminate a water supply, stream, or body of water; and that odors are minimized both inside and outside the privy structure.
SEWAGE. The combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants, and institutions, and includes polluted cooling water. The three most common types of SEWAGE are:
(1) Sanitary sewage;
(2) Industrial sewage; and
(3) Combined sewage.
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.
SLUG. Any discharge of water or wastewater that 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 of 24-hour concentration or flows during normal operation and that adversely affects 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 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 or S.S. Solids that either float on the surface of or are in suspension in water, sewage, or other liquids and that are removable by laboratory filtering.
TOTAL SOLIDS. The sum of suspended and dissolved solids.
TOWN. The Town of Ellettsville, acting by and through the Council.
TOXIC AMOUNT. Concentrations of any pollutant or combination of pollutants that 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.
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 into the sanitary sewers and wastewater treatment facilities provided.
USER CHARGE. A charge levied on users of the wastewater treatment works for the cost and operation of those works pursuant to Section 204(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).
(1) COMMERCIAL USER. Any establishment involved in a commercial enterprise, business, or service which, based on a determination by the town, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
(2) GOVERNMENTAL USER. Any federal, state, or local governmental user of the wastewater treatment works.
(3) INDUSTRIAL USER. Any manufacturing or processing facility that discharges industrial waste into a publicly owned treatment works.
(4) INSTITUTIONAL USER. Any establishment involved in a social, charitable, religious, or educational function which, based on a determination by the town, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
(5) RESIDENTIAL USER. A user of the treatment works whose premises or building is used primarily as a residence for one or more persons, including dwelling units, and the like.
VOLATILE ORGANIC MATTER. The material in the sewage solids transformed to gases or vapors when heated at 550°C for 15 to 20 minutes.
WATERCOURSE. A natural or artificial channel for the passage of water, either continuously or intermittently.
(1985 Code, §§ 350-5, 725-5) (Ord. 81-1, passed 5-18-1981; Ord. 98-13, passed 11-23-1998; Am. Ord. 98-15, passed 5-26-1998; Am. Ord. 09-07, passed 6-8-2009)