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.
AMMONIA NITROGEN (NH3-N). One of the oxidation states of nitrogen, in which nitrogen is combined with hydrogen in molecular form as NH3 or in ionized form as NH4+. Quantitative determination of AMMONIA NITROGEN shall be made in accordance with procedures set forth in Standard Methods.
APPROVING AUTHORITY. The City Council of the City of Lacon, or its duly authorized deputy, agent or representative, which shall include, but not be limited to, the City of Lacon Wastewater Treatment Plant personnel.
BIOCHEMICAL OXYGEN DEMAND (BOD). The quantity of oxygen utilized in the biochemical oxidation of organic matter in five days at 20°C, expressed as milligrams per liter. Quantitative determination of BOD shall be made in accordance with procedures set forth in Standard Methods.
BUILDING SEWER. The extension from the building drain to the public sewer or other place of disposal.
CITY. The City of Lacon, Illinois
COMMERCIAL USER. Any user whose premises are used primarily for the conduct of a profit-oriented enterprise in the fields of construction, wholesale or retail trade, finance, insurance, real estate or services.
COMPOSITE SAMPLE (24 HOURS). The combination of individual samples taken at intervals of not more than one hour.
COMPATIBLE POLLUTANT. Biochemical oxygen demand, suspended solids, ammonia nitrogen pH, or fecal chloroform bacteria, plus additional pollutants identified in the NPDES permit for the publicly owned treatment works receiving the pollutants if such works was designed to treat such additional pollutants, and in part does not remove such pollutants to a substantial degree.
CONTROL MANHOLE. Structure location on a site from which wastewater of greater than normal domestic strength is discharged. Where feasible, the manhole shall have an interior drop. The purpose of a CONTROL MANHOLE is to provide access for the approving authority and owner to obtain a representative sample and/or measure discharges.
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 Clean Water Act (33 U.S.C. §§ 466 et seq.) as amended (Pub. L. No. 95-217).
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. Wastewater shall be considered free of FLOATABLE OIL if it is properly pretreated and the wastewater does not interfere with the collection system.
FLOW PROPORTIONAL SAMPLE. Sample taken that is proportional to the volume of flow during the sampling period.
GARBAGE. Solid wastes from the preparation, cooking and dispensing of food, and from the handling, storage and sale of food products and produce.
ILLINOIS STATE PLUMBING CODE. The code and appendices adopted May 16, 1986 by the State Department of Public Health and any subsequent amendments thereto under the Illinois Plumbing Code Law. All pertinent parts or sections of said code are adopted and made part of this chapter as through those parts or sections were fully set out herein.
INCOMPATIBLE POLLUTANT. Any pollutant that is not a compatible pollutant.
INDUSTRIAL USER. Any user whose premises are used primarily for the conduct of a profit-oriented enterprise in the fields of manufacturing, dairy products processing, meat processing, other food and drink products, painting or finishing operations, transportation, communications or utilities, mining, agriculture, forestry or fishing.
INDUSTRIAL WASTE. Any trade or process waste as distinct from segregated domestic wastes or wastes from sanitary conveniences.
INTERCEPTING SEWER. A sewer whose primary purpose is to convey sewage from a collection system or systems to a wastewater treatment plant. Size of the sewer is not a factor.
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;
(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; or
(4) Is found by the permit issuant 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 0.001 gram 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, including storm sewers and combined sewer overflows, into a watercourse, pond, ditch, lake or other body of surface water or groundwater.
NORMAL DOMESTIC SEWAGE. Sanitary sewage resulting from the range of normal domestic activities, in which BOD and SS concentrations do not exceed normal concentration of: a five-day, 20°C, BOD of nor more than 250 mg/l; a suspended solids content of not more than 300 mg/l.
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.
OWNER. The person or persons who have legal responsibility for building or property.
PERSON. Any and all persons including any individual, firm, company, municipal or private corporation, association, society, institution, enterprise, governmental agency or other entity.
pH. The logarithm of the reciprocal of the hydrogen ion concentration. Neutral water, for example, has a pH value of 7 and a hydrogen concentration of 10-7.
POPULATION EQUIVALENT. A term used to evaluate the impact of industrial or other waste on a treatment works or stream. One POPULATION EQUIVALENT is 80 gallons of sewage per day, containing 15 pounds of BOD and 20 pounds of suspended solids.
PPM. Parts per million by weight.
PRETREATMENT. An arrangement of devices and structures, for the preliminary treatment or processing of wastewater required to render such wastes acceptable for admission to the public sewers.
PUBLIC SEWER. A sewer in which all owners of abutting properties have equal rights, and is controlled by public authority.
PUBLIC USER. Any user whose premises are used for the conduct of the legislative, judicial, administrative or regulatory activities of federal, state, local or international units of government; government-owned educational facilities; government-owned health facilities; or government-owned recreational facilities. This does not include government-owned or operated business establishments.
REPLACEMENT. Expenditures for obtaining and installing equipment, accessories or appurtenances that 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 term “operation and maintenance” includes REPLACEMENT.
RESIDENTIAL EQUIVALENT USER (REU). An average residential household contributing 200 gallons/day (80 gallons per person) of wastewater with CBOD and suspended solids loading of not more than 375 pounds per day and 50 pounds per day, respectively.
RESIDENTIAL USER. All dwelling units such as houses, mobile homes, apartments or permanent multi-family dwellings discharging sanitary wastes.
SANITARY SEWAGE. A combination of water carried wastes from residences, business buildings, institutions and industrial plants (other than industrial wastes from such plants), together with such ground, surface and storm waters as may be present.
SANITARY SEWER. A sewer which carried sewage and to which storm, surface and ground waters are not intentionally admitted.
SEGREGATED DOMESTIC WASTES. Wastes from nonresidential sources resulting from normal domestic activities. These activities are distinguished from industrial, trade and/or process discharge wastes.
SEWAGE. A combination of the water carried wastes from residences, business buildings, institutions and industrial establishments, together with such ground, surface and storm waters as may be present.
SEWAGE SYSTEM. The composite network of underground conduits carrying wastewater and appurtenances incidental thereto (i.e., manholes, lift stations, service lateral).
SEWER. A pipe or conduit that carries wastewater or drainage water.
SLUG. Any discharge of water or wastewater 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 of flows during normal operation and shall adversely affect the system and/or performance of the wastewater treatment works.
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 Water Works Association and the Federation of Sewage and Industrial Wastes Associations.
STORM DRAIN (SOMETIMES TERMED “STORM SEWER”). A drain or sewer for conveying water, groundwater, subsurface water or unpolluted water from any source.
STORM SEWER. A sewer that carries storm, surface and groundwater drainage but excludes sewage and industrial wastes other than unpolluted cooling water.
STORM WATER RUNOFF. The portion of the rainfall that is drained into the sewers.
SUSPENDED SOLIDS (SS). Solids that either float on the surface of, or are in suspension in water, wastewater or other liquid, and that are removable by laboratory filtering as prescribed in Standard Methods and are referred to as non-filterable residue.
TOXIC DISCHARGES. Discharge containing a substance or mixture of substances which, through sufficient exposure, or ingestion, inhalation or assimilation by an organism, either directly from the environment or indirectly by ingestion through the food chain, will, on the basis of information available to the Department, cause death, disease, behavior or immunological abnormalities, cancer, genetic mutation or developmental or physiological malfunctions, including malfunctions in reproduction or physical deformations, in such organisms or their offspring.
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.
WASTEWATER. The spent water of a community. From the standpoint of source, it may be combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions, together with any groundwater, surface water and storm water that may be present.
WASTEWATER TREATMENT WORKS. An arrangement of devices and structures for the storage, treatment, recycling and reclamation of wastewater, liquid industrial wastes and sludge. These systems include wastewater collection systems, pumping, power and other equipment and their appurtenances; any works that are an integral part of the treatment process or are used for ultimate disposal of residues from such treatment; or any other method or system for preventing, abating, reducing, storing, treating, separating or disposing of municipal or industrial wastes.
WATERCOURSE. A natural or artificial channel for the passage of water either continuously or intermittently.
WATER QUALITY STANDARDS. Defined in the Water Pollution Control Regulations of Illinois.
(Prior Code, § 18-7)