For the purpose of this chapter, the following definitions apply unless the context clearly indicates or requires a different meaning.
ADMINISTRATOR. The Administrator of the U.S. Environmental Protection Agency.
APPROVING AUTHORITY. The Superintendent of Sewage Works of the city or his or her authorized deputy, agent or representative.
BASIC USER CHARGE. The basic assessment levied on all users of the public sewer system.
BOD (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. 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 (or 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.
CAPITAL IMPROVEMENT CHARGE. The charge levied on users to improve, extend or reconstruct the sewage treatment works.
COMBINED SEWER. A sewer which is designed and intended to receive wastewater, storm, surface and ground water drainage.
COMMERCIAL USER. This includes transit lodging, 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 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.
DIRECTOR. The Director of the state’s Environmental Protection Agency.
EASEMENT. An acquired legal right for the specific use of land owned by other.
EFFLUENT CRITERIA. These are defined in any applicable NPDES permit.
FEDERAL ACT. The Federal Clean Water Act (33 U.S.C. §§ 1251 et seq.), as amended (Pub. Law No. 95-217).
FEDERAL GRANT. The U.S. Government 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, being 33 U.S.C. §§ 1281 et seq. 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 pre-treated 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.
INDUSTRIAL USER. This shall include 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.
INSPECTOR. The Superintendent or other person or persons duly authorized by the city to inspect and approve the installation of building sewers and their connection to the sanitary sewer system.
INSTITUTIONAL/GOVERNMENTAL USER. This shall include 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 (i.e., debt service and capital improvement costs).
MAJOR CONTRIBUTING INDUSTRY. An industrial user the publicly owned treatment works which:
(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 § 307(a) of the Federal Act, being 33 U.S.C. § 1317; or
(4) 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. The act referred to is permissible.
MILLIGRAMS PER LITER (MG/L). A unit of the concentration of water or wastewater constituent. It is 0.001 gram of the constituent in 1,000 milliliter 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.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake or other body of surface or 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 Clean Water Act to regulate the discharge of pollutants pursuant to § 402 of the Federal Act, being 33 U.S.C. §§ 1251 et seq.
PERSON. Any and all persons, natural or artificial, including any individual, firm, company, municipal or private cooperation, 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 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. One POPULATION EQUIVALENT is 100 gallons of sewage per day, containing 0.17 pounds of BOD and 0.20 pounds of suspended solids.
ppm. Parts per million, by weight.
PRETREATMENT. The treatment of wastewater 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 particle greater than one-half inch (or 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 sewer or combined sewer system, even though those sewers may not have been constructed with city funds.
REPLACEMENT. 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. The term “operation and maintenance” includes REPLACEMENT.
RESERVE FUND CHARGE. A revolving fund for expansion and construction of the sewer system.
RESIDENTIAL USER. All dwelling units such as houses, buildings, mobile homes, apartments, permanent multi-family dwellings.
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. Is used interchangeably with WASTEWATER.
SEWER. A pipe or conduit for conveying sewage or any other waste liquids, including storms and 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 act referred to 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.
STATE ACT. The state’s 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’s Anti-Pollution Bond Act and for making such grants as filed with the Secretary of State.
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 average concentration values as established by code.
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 the IEPA Division of Laboratories’ 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 benefited 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 operation, maintenance and replacement.
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.
(1) The charge per quarter or month levied on all users of the wastewater facilities.
(2) The SERVICE CHARGE shall be computed as outlined in Ch. 50 of this code of ordinances and shall consist of the total or the basic user charge, the local capital cost and a surcharge, if applicable.
WASTEWATER TREATMENT WORKS.
(1) An arrangement of devices and structures for treating wastewater, industrial wastes, and sludge.
(2) Sometimes used as synonymous with WASTE TREATMENT PLANT, WASTEWATER TREATMENT PLANT or POLLUTION CONTROL PLANT.
WATER QUALITY STANDARDS. These are defined in the water pollution regulations of the state.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
(Prior Code, § 38-5-1)