7-5-1: DEFINITIONS:
ACT: The federal water pollution control act, as amended, 33 United States Code et seq.
ADMINISTRATOR: The administrator of the U.S. environmental protection agency.
APPROVING AUTHORITY: The mayor and city council of the city of Savanna acting by and through the city superintendent, being their duly authorized agent or representative.
BOD (Denoting Biochemical Oxygen Demand): The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five (5) days at twenty degrees centigrade (20°C), expressed in milligrams per liter.
BASIC USER CHARGE: The basic assessment levied on all users of the public sewer system.
BUILDING DRAIN: That part of the lowest horizontal 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 (5') (1.5 m) 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 Savanna and any reference to "within the city" shall mean all territory within the perimeter of the city of Savanna boundaries.
COMBINED SEWER: A sewer receiving both surface runoff and sewage.
COMPATIBLE POLLUTANT: Biochemical oxygen demand, suspended solids, pH and fecal coliform bacteria, plus additional pollutants identified in the NPDES permit.
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 a 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 revenue bonds outstanding and shall be computed by dividing the annual debt service by the number of users connected to the wastewater facilities.
DIRECTOR: The chief administrative officer of the state of Illinois environmental protection agency.
EASEMENT: An acquired legal right for the specific use of land owned by others.
EFFLUENT CRITERIA: Any applicable "NPDES permit".
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.
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, from the handling, storage and sale of produce.
INCOMPATIBLE POLLUTANT: Any pollutant which is not a "compatible pollutant" as defined in this section.
INDUSTRIAL USER: Any nongovernmental 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.
(E) Division I; services.
A user in the divisions listed may be excluded if it is determined by the waterworks superintendent 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 processing of any natural resource as distinct from sanitary sewage.
INFILTRATION: The water entering a sewer system, including building drains and sewers, from the ground, through such means as, but not limited to, defective pipes, pipe joints, connections or manhole walls. (Infiltration does not include and is distinguished from inflow.)
INFILTRATION/INFLOW: The total quantity of water from both infiltration and inflow without distinguishing the source.
INFLOW: The water discharged into a sewer system, including building drains and sewers, from such sources as, but not limited to, roof leaders; cellar, yard and area drains; foundation drains, unpolluted cooling water discharges; drains from springs and swampy areas; manhole covers, cross connections from storm sewers and combined sewers, catch basins, storm waters, surface runoff, street wash waters or drainage. (Inflow does not include, and is distinguished from infiltration.)
MAJOR CONTRIBUTING INDUSTRY: An industrial user of the publicly owned treatment works that:
(A) Has a flow of fifty thousand (50,000) gallons or more per average workday;
(B) Has a flow greater than ten percent (10%) of the flow carried by the municipal system receiving the waste;
(C) Has in its waste, a toxic pollutant in toxic amounts as defined in standards issued under section 307(a) of the act; or
(D) Is found by the permit issuance authority, in connection with the issuance of an 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: Is permissible.
MILLIGRAMS PER LITER: A unit of the concentration of water or wastewater constituent. It is one thousandth grams of the constituent in one thousand milliliters of water (0.001 g/1,000 ml). 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.
NPDES PERMIT: Any permit or equivalent document or requirements issued by the administrator, or where appropriate, by the director, after enactment of the federal water pollution control amendments of 1972, to regulate the discharge of pollutants pursuant to section 402 of the act.
NATURAL OUTLET: Any outlet into a watercourse, pond, ditch, lake, or other body of surface or ground water.
ppm: Parts per million by weight.
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 in grams per liter of solution. It shall be determined 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 one hundred (100) gallons of sewage per day, containing seventeen hundredths (0.17) pounds of BOD and twenty hundredths (0.20) pounds of suspended solids. The impact on a treatment works is evaluated as the equivalent of the highest of the three (3) parameters. Impact on a stream is the higher of the BOD and suspended solids parameters.
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 foods 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 (1/2") (1.27 cm) in any dimension.
PUBLIC SEWER: A sewer provided by or subject to the jurisdiction of the city of Savanna. 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 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.
RESIDENTIAL OR COMMERCIAL USER: Any user of the treatment works not classified as an industrial user or excluded as an industrial user as provided for by 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: A combination of the water carried wastes from residences, business building, institutions, and industrial establishments, together with such ground, and storm waters as may be present.
SEWAGE TREATMENT PLANT: Any arrangement of devices; structures and equipment for treating sewage.
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: 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 fifteen (15) minutes, more than five (5) times the average twenty four (24) hour concentration of 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, Sewage, And Industrial Wastes", published jointly by the American Public Health Association, the American Waterworks Association and the Water Pollution Control Federation.
STATE ACT: The Illinois antipollution 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 antipollution bond act and for making such grants as filed with the secretary 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: That portion of the rainfall that is drained into the sewers.
SUPERINTENDENT: The public works superintendent of the city of Savanna or his authorized deputy, agent or representative.
SURCHARGE: The assessment in addition to the "basic user charge" and "debt service charge", as both are defined herein, which is levied on those persons whose wastes are greater in strength than the concentration values established in section 7-6-2 of this title.
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 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 and shall be twenty (20) years from the date of startup 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 including replacement and the cost of any bond debt of such works and shall consist of both basic user charges and surcharges, as such terms are herein defined.
USER CLASS: The type of user either "residential" or "commercial" 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 waterway.
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 section 7-6-2 of this title 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 QUALITY STANDARDS: Defined in the water pollution regulations of Illinois.
WATERCOURSE: A channel in which a flow of water occurs, either continuously or intermittently.
WATERWORKS AND SEWERAGE FUND: The principal accounting designation for all revenues received in the operation of the waterworks and/or sewerage system. These revenues shall be segregated so that water system revenues shall be credited to the waterworks account of the waterworks and sewerage fund and revenues of the sewerage system shall be credited to the sewerage account of the waterworks and sewerage fund. (1977 Code; amd. Ord. 1248, 11-23-1982)