Skip to code content (skip section selection)
For the purpose of this chapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
(A) Federal government.
“ADMINISTRATOR.” The administrator of the U.S. Environmental Protection Agency.
“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.L. 92-500 and Pub.L. 93-243).
“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, and implementing regulations.
(B) State government.
“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. Also, the making of such grants as filed with the Secretary of State of the State of Illinois.
(C) Local government.
“APPROVING AUTHORITY.” The Public Works Director.
“CITY.” The City of Danville.
“CCF.” 100 cubic feet. Equivalent to 748 gallons.
“DIRECTOR.” Public Works Director or duly authorized employee of the City.
“ORDINANCE.” The City sewer ordinance, comprising this chapter of the codified ordinances.
(D) “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.
(E) “NPDES PERMIT.” Any permit or equivalent document or requirements issued by the administrator, or where appropriated by the director of the Illinois Environmental Protection Agency, after enactment of the Federal Water Pollution Control Amendments of 1972, to regulate the discharge of pollutants pursuant to § 402 of the Federal Act.
(F) Wastewater and its characteristics.
“B.O.D. (denoting BIOCHEMICAL OXYGEN DEMAND).” The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedures in five days at 20°C., expressed in milligrams per liter.
“EFFLUENT CRITERIA.” Defined in any applicable NPDES permit.
“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.
“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.
“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 B.O.D. and 0.22 pounds of suspended solids.
“ppm.” Parts per million by weight.
“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; or
(2) Has a flow greater than 10% of the flow carried by the municipal system receiving the waste; or
(3) Has in its waste, a toxic pollutant in toxic amounts as defined in standards issued under § 307(a) of the Federal Act; 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.
“MILLIGRAMS PER LITER.” A unit of the concentration of water or wastewater constituent. It is 0.001 g of the constituent of 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.
“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 (1.27 centimeters) in any dimension.
“SEWAGE.” Used interchangeably with “WASTEWATER.”
“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.
“SUSPENDED SOLIDS.” 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.
“WASTEWATER.” The spent water of a community. 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, or stormwater that may be present.
“WATER QUALITY STANDARDS.” Defined in the Water Pollution Regulations of Illinois.
(G) Sewer types, and appurtenances.
“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 outside face of the public sewer or other place of disposal.
“COMBINED SEWER.” A sewer which is designed and intended to receive wastewater, storm, surface, and groundwater drainage.
“EASEMENT.” An acquired legal right for the specific use of land owned by others.
“PUBLIC SEWER.” A sewer provided by or subject to the jurisdiction of the City of Danville. 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.
“SANITARY SEWER.” A sewer that conveys sewage or industrial wastes or a combination of both, and into which storm, surface, and ground water, or unpolluted industrial wastes, are not intentionally admitted.
“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.
“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.
“PRETREATMENT.” The treatment of wastewaters from sources before introduction into the wastewater treatment works.
“WASTEWATER TREATMENT WORKS.” An arrangement of devices and structures for treating wastewater, industrial wastes, and sludge. Sometimes used as synonymous with “waste treatment plant,” “wastewater treatment plant,” or “pollution control plant.”
(I) “WASTEWATER FACILITIES.” The structures, equipment, and processes required to collect, carry away, and treat domestic and industrial wastes, and transport effluent to a watercourse.
(J) Watercourse and connections.
“NATURAL OUTLET.” Any outlet into a watercourse, pond, ditch, lake, or other body of surface or ground water.
“WATERCOURSE.” A channel in which a flow of water occurs, either continuously or intermittently.
(K) User types.
“COMMERCIAL USER.” Shall include transit lodging, restaurant, retail and wholesale establishments, places engaged in selling merchandise or rendering services, or any other user not specifically classified by a different user type.
“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.
“INDUSTRIAL USER.” Shall include establishments engaged in manufacturing activities involving the mechanical or chemical transformation of materials of substance into products.
“INSTITUTIONAL/GOVERNMENTAL USER.” Shall include schools, churches, penal institutions, and users associated with federal, state, and local governments.
“RESIDENTIAL USER.” All dwelling units such as houses, mobile homes, apartments, or permanent multi-family dwellings.
“USER CLASS. The type of user, whether residential, institutional/governmental, commercial, or industrial, as defined herein.
(L) Types of charges.
“BASE USER CHARGE.” The basic assessment levied on all users of the public sewer system.
“BOND RETIREMENT.” The amount to be paid monthly for interest and principal on outstanding bonds.
“OPERATION AND MAINTENANCE.” Includes replacement.
“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 the works were designed and constructed.
“SEWERAGE FUND.” The principal accounting designation for all revenues received in the operation of the storm and sanitary sewer system.
“SURCHARGE.” The assessment in addition to the basic user charge which is levied on those persons whose wastes are greater in strength than the concentration values established in § 51.35.
“USEFUL LIFE.” The estimated period during which the collection system will be operated. Shall be 50 years from date of start-up of any wastewater facilities constructed with a federal grant.
“USER CHARGE.” A charge levied on users of treatment works for the cost of operation and maintenance.
“WASTEWATER SERVICE CHARGE.” The charge per month levied on all users of the wastewater facilities. The service charge shall be computed as outlined in § 51.35, and shall consist of the total of base user charge and a surcharge, if applicable.
(M) “WATER PROVIDER.” Aqua Illinois, its successors or assigns.
(Ord. 7193, passed 7-29-86; Am. Ord. 8055, 12-7-99; Am. Ord. 8781, passed 1-17-12; Am. Ord. 9212, passed 8-6-19; Am. Ord. 9290, passed 11-3-20)