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.
   BASIC USER CHARGE. The basic assessment levied on all users of the public sewer system.
   BIOCHEMICAL OXYGEN DEMAND (BOD). 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. The part of the lowest piping of a 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 (one and one-half 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.
   CITY. The City of Greenville.
   COMBINED SEWER. A sewer which is designed and intended to receive wastewater, storm, surface and ground water drainage.
   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 city 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 and shall be computed by dividing the annual debt service by the number of users connected to the wastewater facilities.
   DEPRECIATION. Expenditures to establish a sinking fund for replacement of major treatment units at the expiration of the facilities’ useful life.
   DIRECTOR. The Director of the state’s 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 Water Pollution Control Act (33 U.S.C. §§ 1251 et seq.) as amended by the Federal Water Pollution Control Act Amendments of 1972 (Pub. Law No. 92-500 and Pub. Law No. 93-243).
   FEDERAL GRANT. The U.S. Government’s participation in the financing of the construction of treatment works as provided for by Title II - Grants for Construction of Treatment Works of the Act 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. A 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 produce.
      (1)   Any non-governmental user of publicly-owned treatment works identified in the Standard Industrial Classification Manual, 1972, Office of Management and Budget, as amended and supplemented, under the following divisions:
         (a)   Division A - Agriculture, Forestry and Fishing;
         (b)   Division B - Mining;
         (c)   Division D - Manufacturing;
         (d)   Division E - Transportation, Communications, Electric, Gas and Sanitary Services; and
         (e)   Division I - Services.
      (2)   A user in the divisions listed may be excluded if it is determined by the city that it will introduce primarily segregated domestic wastes or wastes from sanitary conveniences.
   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.
   MAJOR CONTRIBUTION INDUSTRY. An industrial user of the publicly-owned treatment works that: has a flow of 50,000 gallons or more per average work day; or has a flow greater than 10% of the flow carried by the municipal system receiving the waste; or has in its waste a toxic pollutant in toxic amounts as defined in standards issued under § 307(a) of the Federal Act, being 33 U.S.C. § 1317(a); or is found by the permit issuance 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.
   MAY. This term is permissible.
   MILLIGRAMS PER LITER (mg/l). 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, part per million, to which it is approximately equivalent, in reporting the results of water and wastewater analysis.
   NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface ground water.
   NPDES PERMIT. Any permit or equivalent document or requirements issued by the Administrator, or where appropriated by the Director, after enactment of the Federal Water Pollution Control Amendments of 1972, to regulate the discharge of pollutants pursuant to § 402 of the Federal Act, being 33 U.S.C. § 1342.
   ORDINANCE. This ordinance or this chapter.
   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 logarithm (base 10) of the reciprocal of the hydrogen/ion concentration expressed by one of the procedures outlined in Standard Methods.
   POPULATION EQUIVALENT. A term used to evaluate the impact of industrial or other waste on a treatment works or stream. One POPULATION EQUIVALENT is 100 gallons of sewage per day, containing 0.17 pounds of BOD and 0.20 pounds of suspended solids.
   ppm. Part per million by weight.
   PRETREATMENT. The treatment of wastewaters from sources before introduction into the wastewater treatment works.
   PROPERLY SHREDDED GARBAGE. 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 particles greater than one-half inch (1.27 centimeters) in any dimension.
   PUBLIC SEWER. A sewer provided by or subject to the jurisdiction of the city. It shall also include sewers within or outside the city boundaries that serve one or more persons and ultimately discharge into the city sanitary (or combined sewer system), even though those sewers may not have been constructed with city funds.
      (1)   Expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the service life of the treatment works to maintain the capacity and performance for which such works were designed and constructed.
      (2)   The term “operation and maintenance” includes REPLACEMENT.
   RESIDENTIAL, COMMERCIAL or NON-INDUSTRIAL. Any user of the treatment works not classified as an industrial user or excluded as an industrial user as provided for in this section.
   SANITARY SEWER. A sewer that conveys sewage or industrial wastes or a combination of both, and into which storm, surface and ground waters or unpolluted industrial wastes are not intentionally admitted.
   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.
   SHALL. This term is mandatory.
   SLUG. 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 five times the average 24-hour concentration or flows during normal operation.
   STANDARD METHODS. The examination and analytical procedures set forth in the most recent edition of Standard Methods for the Examination of Water and Wastewater, published jointly by the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation.
   STATE ACT. The Illinois Anti-Pollution Bond Act of 1970, being 30 ILCS 405/1 et seq.
   STATE GRANT. The state’s participation in the financing of the construction of treatment works as provided for by the State Anti-Pollution Bond Act and for making such 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.
   STORM WATER RUNOFF. The 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 this chapter.
   SUSPENDED SOLIDS (SS). 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 Standard Methods.
   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.
   USEFUL LIFE. The estimated period during which the collection system and/or treatment works will be operated and shall be 30 years from the date of start up of any wastewater facilities constructed with a state grant.
   USER CHARGE. A charge levied on users of treatment works for the cost of operation and maintenance.
   USER CLASS. The type of user either “residential or commercial” (non-industrial) or “industrial”, as defined herein.
   WASTEWATER. The spent water of a community. From this standpoint, of course, it may be a combination of the liquid and water carried wastes from residences, commercial buildings, industrial plants and institutions, together with any ground water, 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 month levied on all users of the wastewater facilities. The service charge shall be computed as outlined in this chapter and shall consist of the total or the basic user charge, the debt service charge 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 AND SEWERAGE FUND. The principal accounting designation for all revenues received in the operation of the sewerage system.
   WATER QUALITY STANDARDS. Defined in the water pollution regulations of the state.
   WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(2000 Code, § 52.001) (Ord. 1068, passed 10-14-1980)