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For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BOD or BIOCHEMICAL OXYGEN DEMAND. The quantity of oxygen used in the biochemical oxidation of organic matter in five days at 20°C, determined by standard laboratory test procedures and expressed in mg/l.
CITY. The City of Lake Forest of Lake County, Illinois.
COMMERCIAL USER. Includes, but not be limited to, offices, retail and wholesale establishments, and other establishments engaged in selling merchandise or rendering services.
CONTROL MANHOLE. A structure specifically designed and constructed for sampling and metering industrial wastes discharged to a public sewer.
CUSTOMER CHARGE. The amount to be paid each quarterly billing period by all public sanitary sewer users based solely on customer class.
CUSTOMER CLASS. The type of customer categorized by the size of the water meter serving the customer’s premises as set forth in § 51.060.
FEDERAL ACT. The Federal Water Pollution Control Act (33 U.S.C. §§ 1251 et seq.) as amended by the Federal Water Pollution Control Act of Amendments of 1972 (Pub. Law No. 92-500 and Pub. Law No. 93-343) and the Clean Water Act of 1977 (Pub. Law No. 95-217).
INSTITUTIONAL/GOVERNMENTAL USER. Schools, hospitals and users associated with federal, state and local governments.
INDUSTRIAL USER. Establishments discharging industrial wastewater (wet industries). Those industrial establishments which have no industrial wastewater discharge (dry industries) shall be classified as commercial users for the purposes of this chapter.
INDUSTRIAL WASTE. The wastewater 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 employees’ wastes or wastewater from sanitary convenience.
MAINTENANCE. All manner of activity required, including, but not limited to, labor, supply, contract repair work and administrative requirements to maintain the works, assets and property of the city for the purpose of insuring its continued and uninterrupted operation.
MAY. The act referred to is permissive.
mg/l. Means milligrams per liter.
OPERATION. All manner of activity required, including, but not limited to, labor, electrical power, fuel, chemicals, supplies, machinery, physical structure, depreciation and administrative requirements, to conduct properly the functions of collection, conveyance, treatment and disposal of waste waters generated within the city.
ORDINANCE. This chapter.
PERSON. Any and all persons, natural or artificial including any individual, firm, company, public or private corporation, association, society, institution, enterprise, governmental agency or other entity.
POPULATION EQUIVALENT. A term used to evaluate the impact of industrial or other wastes on a treatment works or stream. One population equivalent is 100 gallons of sewerage per day, containing 0.17 pounds of BOD and 0.20 pounds of suspended solids.
REPLACEMENT. The provision for and the installation of replacement equipment, accessories or appurtenances which are necessary during the service life of the sewerage works to maintain the capacity and performance for which such works were designed and constructed.
RESIDENTIAL USER. Each dwelling unit discharging wastewater to the sewerage works of the city and shall include, but not be limited to, houses, mobile homes, apartments and units within multi-family dwellings.
SANITARY SEWER. A sewer that conveys sewage and polluted industrial wastes, and to which stormwater, surface drainage, groundwater or unpolluted wastewater are not intentionally admitted.
SANITARY SEWER USER SERVICE CHARGE. The total amount to be paid each billing period by public sanitary sewer users including the basic user charge and the customer charge, plus penalties, if applicable.
SEWAGE. A combination of the wastewater from residential, commercial, industrial and institutional buildings together with such groundwater infiltration and surface water inflow that may be in the sewers.
SEWER. A pipe or conduit for conveying sewage or any other wastewater, including stormwater, surface water and groundwater drainage.
SEWERAGE REVENUE FUND. The principal accounting designation for all revenues received in the operation of the sewerage works.
SEWERAGE WORKS. All facilities of the city for collecting, pumping, treating and disposing of sewage and industrial wastes.
SUSPENDED SOLIDS. Solids that either float on the surface, or are in suspension in water, sewage, industrial wastes, or other wastewaters; the quantity of which is determined by standard laboratory filtering test procedures and referred to as nonfilterable residue expressed in mg/1.
SHALL. The act referred to is mandatory.
SUPERINTENDENT. The Superintendent of Public Works of the city or his or her duly authorized deputy or representative.
USER CLASS. The type of user categorized as follows: residential user, commercial user, industrial user, institutional/governmental user.
WASTEWATER TREATMENT PLANT. Any arrangement of devices, structures and processes for the treating and disposing of sewage.
(Prior Code, § 48-1) (Ord. 07-13, passed 3-19-2007)