§ 50.01 DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   ADMINISTRATOR. The Administrator of the U.S. Environmental Protection Agency.
   APPROVING AUTHORITY. The Village of La Grange Park.
   BASIC USER CHARGE. The basic assessment levied on all users of the public sewer system.
   BOD (denoting biochemical oxygen demand). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20°C, expressed in milligrams per liter.
   BUILDING DRAIN. That part of the lowest- piping of a building’s drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to the building sewer or other approved point of discharge, beginning five feet (1½ meters) outside the inner face of the building wall.
   BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal, up to and including connection point.
   CAPITAL IMPROVEMENT CHARGE. A charge levied on users to improve, extend or reconstruct the sewage treatment works.
   CHAPTER. This chapter.
   COMBINED SEWER. A sewer which is designed and intended to receive wastewater, storm, surface and ground water drainage.
   COMMERCIAL USER. Transit lodging, commercial retail and wholesale establishments or places engaged in selling merchandise or rendering services.
   CONTROL MANHOLE. A structure located on a site from which industrial wastes are discharged. Where feasible, the manhole shall have an interior drop. The purpose of a control manhole is to provide access for the village representative to sample and/or measure discharges.
   DEBT SERVICE CHARGE. The amount to be paid each billing period for payment of interest, principal and coverage of loan, bond and the like outstanding.
   DIRECTOR. The Director of the Illinois Environmental Protection Agency.
   EASEMENT. An acquired legal right for the specific use of land owned by others.
   EFFLUENT CRITERIA. Defined in any applicable NPDES permit.
   FEDERAL ACT. The federal Clean Water Act, 33 USC §§ 1251 et seq., (Pub. L. 95-217), as amended.
   FEDERAL GRANT. The U.S. government participation in the financing of the construction of treatment works as provided for by 33 USC §§ 1281 et seq., Grants for Construction of Treatment Works and implementing regulations.
   FLOATABLE OIL. Oil, fat or grease in a physical state such that it will separate by gravity from wastewater by treatment in an approved pretreatment facility. Wastewater shall be considered free of floatable fat if it is properly pretreated and the wastewater does not interfere with the collection system.
   GARBAGE. Solid wastes from the domestic and commercial preparation, cooking and dispensing of food and from the handling, storage and sale of food.
      PROPERLY SHREDDED GARBAGE shall mean the wastes from the preparation, cooking and dispensing of food that have 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 ½-inch (1.27 centimeters) in any dimension.
   INDUSTRIAL USERS. Establishments engaged in manufacturing activities involving the mechanical or chemical transformation of materials of substance into products.
   INDUSTRIAL WASTE. Any solid, liquid or gaseous substance discharged, permitted to flow or escaping from any industrial, manufacturing, commercial or business establishment or process or from the development, recovery or processing of any natural resource as distinct from sanitary sewage.
   INSTITUTIONAL/GOVERNMENTAL USER. Schools, churches, penal institutions and users associated with federal, state and local governments.
   LOCAL CAPITAL COST CHARGE. Charges for costs other than the operation, maintenance and replacement costs, including debt service and capital improvement costs.
   MAJOR CONTRIBUTING INDUSTRY. An industrial user of the publicly-owned treatment works that:
      (1)   Has a flow of 50,000 gallons or more per average work day;
      (2)   Has a flow greater than 10% of the flow carried by the municipal system receiving the waste;
      (3)   Has in its waste, a toxic pollutant in toxic amounts as defined in standards issued under section 307(a) of the Federal Act; or
      (4)   Is found by the permit issuant authority, in connection with the issuance of the NPDES permit to the publicly-owned treatment works receiving the waste, to have significant impact, either singly or in combination with other contributing industries, on that treatment works or upon the quality of effluent from that treatment works.
   MILLIGRAMS PER LITER. A unit of the concentration of water or wastewater constituent. It is 0.001 g of the constituent in 1,000 ml of water. It has replaced the unit formerly used commonly, parts per million, to which it is approximately equivalent, in reporting the results of water and wastewater analysis.
      SUSPENDED SOLIDS (SS) shall mean solids that either float on the surface of, or are in suspension in, water, sewage or industrial waste and which are removable by a laboratory filtration device. Quantitative determination of suspended solids shall be made in accordance with procedures set forth in the IEPA Division of Laboratories Manual of Laboratory Methods.
   NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or groundwater.
   NPDES PERMIT. A National Pollution Discharge Elimination System (NPDES) permit as provided in 33 USC § 1342, or any permit or equivalent document or requirements issued by the Administrator, or the Director to regulate the discharge of pollutants pursuant to Section 402 of the Federal Act.
   pH. The logarithm (base 10) of the reciprocal of the hydrogen-ion concentration expressed by one of the procedures outlined in the IEPA Division of Laboratories Manual of Laboratory Methods.
   POPULATION EQUIVALENT. A term used to evaluate the impact of industrial or other waste on a treatment works or stream.
   ppm. Parts per million by weight.
   PRETREATMENT. Treatment of wastewaters from sources before introduction into the wastewater treatment works.
   PUBLIC SEWER. A sewer provided by or subject to the jurisdiction of the village. It shall also include sewers within or outside the village boundaries that serve one or more persons and ultimately discharge into the village sanitary or combined sewer system, even though those sewers may not have been constructed with village funds. Sanitary sewer shall mean a sewer that conveys sewage or industrial wastes or a combination of both and into which storm, surface and ground water or polluted industrial wastes are not intentionally admitted.
   REPLACEMENT. 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 such works were designed and constructed. The term “operation and maintenance” includes replacement.
   RESIDENTIAL USER. All dwelling units, such as houses, mobile homes, apartments and permanent multifamily dwellings.
   SEWAGE. This term is used interchangeably with WASTEWATER.
   SEWER. A pipe or conduit for conveying sewage or any other waste liquids, including storm, surface and ground water drainage.
   SEWERAGE. The system of sewers and appurtenances for the collection, transportation and pumping of sewage.
   SEWERAGE FUND. The principal accounting designation for all revenues received in the operation of the sewerage system.
   SHALL. The term SHALL is mandatory; MAY is permissible.
   SLUDGE. Any discharge of water, sewage or industrial waste which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than 15 minutes more than 5 times the average 24-hour concentration or flows during normal operation.
   STATE ACT. The Illinois Anti-Pollution Bond Act of 1970.
   STATE GRANT. The State of Illinois participation in the financing of the construction of treatment works as provided for by the Illinois Anti- Pollution Bond Act, ILCS Chapter 30, Act 405, and for making the grants as filed with the Secretary of State of the State of Illinois.
   STORM SEWER. A sewer that carries storm, surface and ground water drainage but excludes sewage and industrial wastes other than unpolluted cooling water.
   STORMWATER RUNOFF. That portion of the precipitation that is drained into the sewers.
   SURCHARGE. The assessment in addition to the basic user charge and debt service charge which is levied on those persons whose wastes are greater in strength than the concentration values established in §§ 50.42 and 50.43 of this chapter.
   UNPOLLUTED WATER. Water 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.
   USEFUL LIFE. The estimated period during which the collection system and/or treatment works will be operated.
   USER CHARGE. A charge levied on users of treatment works for the cost of operation, maintenance and replacement.
   USER CLASS. The type of water, residential, institutional/governmental, commercial or industrial as defined herein.
   WASTEWATER. The spent water of a community, which may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions, together with any groundwater, surface water, and storm water that may be present.
   WASTEWATER FACILITIES. The structures, equipment and processes required to collect, carry away and treat domestic and industrial wastes and transport effluent to a watercourse.
   WASTEWATER SERVICE CHARGE. The charge per quarter or month levied on all users of the wastewater facilities. The service charge shall be computed as outlined in §§ 50.60 et seq. of this chapter and shall consist of the total or the basic user charge, the local capital cost and a surcharge, if applicable.
   WASTEWATER TREATMENT WORKS. An arrangement of devices and structures for treating wastewater, industrial wastes and sludge. Sometimes used as synonymous with WASTE TREATMENT PLANT or WASTEWATER TREATMENT PLANT or POLLUTION CONTROL PLANT.
   WATER QUALITY STANDARDS. Defined in the Water Pollution Regulations of Illinois.
   WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(`70 Code § 18½-1) (Ord. 478, passed 4-10-90; Ord. 729, passed 8-12-03)