For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
APPROVING AUTHORITY. The city.
BASIC USER CHARGE. The basic assessment levied on all users of the public sewer systems.
BIOCHEMICAL OXYGEN DEMAND or 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. That 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 (1.5 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. Charge levied on users to improve, extend, or reconstruct the sewerage treatment works.
CAPITAL COST CHARGE, LOCAL. Charges for costs other than the operation, maintenance, and replacement costs, for example debt service and capital improvement cost.
CHARGES. The type of charge, basic user, capital improvement, capital cost charge (local), debt service, replacement, Sewerage Fund surcharge, useful life, user charge, wastewater service charge, as defined in this section.
CITY. The city of Lockport.
COMBINED SEWER. A sewer which is designed and intended to receive wastewater, storm, surface, and groundwater drainage.
COMMERCIAL USER. Shall include 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 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.
EFFLUENT CRITERIA. Are defined in any applicable NPDES permit.
FEDERAL ACT. The Federal Clean Water Act (33 USC 466 et seq.) as amended (Pub. 1. 95-217).
FEDERAL GRANT. The U.S. Government participation in the financing of the construction of treatment works as provided for the 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 food.
GARBAGE PROPERLY SHREDDED. 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 (1.27 centimeters) in any dimension.
INDUSTRIAL USERS. Shall include establishments engaged in manufacturing activities involving the mechanical or chemical transformation of mater-ials 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. Shall include schools, churches, penal institutions, and users associated with federal, state, and local governments.
MAJOR CONTRIBUTING 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 Section 307(a) of the Federal Act; or is found by the permit issuing 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 or mg/l. A unit of the concentration of water or wastewater constituent. It is 0.001g 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.
NATURAL OUTLET. Any outlet into a watercourse, pond, ditch, lake, or other body of surface or groundwater.
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 Section 402 of the Federal Act.
PARTS PER MILLION or ppm. Parts per million by weight.
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 or PE. 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 0.22 pounds of suspended solids.
PRETREATMENT. The 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 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.
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 terms operation and maintenance includes REPLACEMENT.
RESIDENTIAL USER. All dwelling units such as houses, mobile homes, apartments, and 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 groundwaters or polluted industrial wastes are not intentionally admitted.
SEWAGE. Used interchangeably with WASTEWATER.
SEWER. A pipe or conduit for conveying sewage or any other waste liquids, including storm, surface, and groundwater 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 is mandatory; MAY is permissible.
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 Illinois Anti-Pollution Bond Act of 1970.
STATE GRANT. The state participation in the financing of the construction of treatment works as provided for by the Illinois 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 groundwater 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.
SUPERINTENDENT. City Administrator, unless otherwise provided in this section.
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 § 51.080.
SUSPENDED SOLIDS or 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 Manual of Laboratory Methods.
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 user, residential, institutional/governmental, commercial, or industrial as defined in this section.
WATERCOURSE. A channel in which a flow of water occurs, either continuously or intermittently.
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 groundwater, surface water, and stormwater 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 § 51.080 and shall consist of the total or the basic user 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 QUALITY STANDARDS. Are defined in the Water Pollution Regulations of Illinois.
(`79 Code, § 51.001) (Ord. 1097, passed 11-16-87; Am. Ord. 89-141, passed 2-6-89; Am. Ord. 95-401, passed 5-3-95)