§ 10-2-25 DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   ACT. Pub. Law No. 92-500 and the Federal Water Pollution Control Act Amendments of 1972.
   BASIC USER CHARGE. The amount to be paid each billing period by all public sewer users for payment of operation and maintenance costs plus replacement of the sewerage works of the city.
   BOD (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 milligrams per liter.
   CHAPTER. This chapter.
   CITY. The City of Mount Carroll of Carroll County, Illinois.
   CONTROL MANHOLE. A structure specifically designed and constructed for sampling and metering industrial wastes discharged to the public sewer.
   DEBT SERVICE CHARGE. The amount to be paid each billing period by all public sewer users for payment of principal, interest and coverage of outstanding bonds and to provide bond reserve funds as required by bond ordinances of the city.
   FEDERAL ACT. The Federal Water Pollution Control Act, being 33 U.S.C. §§ 1251 et seq., as amended by the Federal Water Pollution Control Act amendments of 1972, being Pub. Law No. 92-500 and 93-343, and the Clean Water Act of 1977, being Pub. L. No. 95-217.
   INDUSTRIAL USER. Any nongovernmental, nonresidential user of the publicly owned sewerage works which discharges industrial waste and which is identified in the Standard Industrial Classification Manual, 1972, Office of Management and Budget, as amended and supplemented, under one of the following divisions:
      (1)   Division A - Agriculture, forestry and fishing;
      (2)   Division B - Mining;
      (3)   Division D - Manufacturing;
      (4)   Division E - Transportation, communications, electric, gas and sanitary services; and
      (5)   Division I - Services.
   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 conveniences.
   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 ensuring its continued and uninterrupted operation.
   MAJOR CONTRIBUTING INDUSTRY. An industrial user that has a flow of 50,000 gallons or more per average workday, or has a flow greater than 10% of the flow carried by the sewerage works receiving the waste, or has in its waste, a toxic pollutant in toxic amounts as defined in standards issued under § 307(a) of the Federal Act, or 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.
   MAY. Permissive.
   mg/l. Milligrams per liter.
   OPERATION. All manner of activity required, including, but not limited to, labor, electrical power, fuel, chemical supply, depreciation and administrative requirements, to properly conduct the functions of collection, conveyance, treatment and disposal of wastewaters generated within the city.
   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 sewage per day, containing seventeen one-hundredths pounds of BOD and twenty one-hundredths 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 treatment works to maintain the capacity and performance for which such works were designed and constructed.
   REPLACEMENT COSTS. Expenditures for purchasing and installing equipment, accessories or appurtenances which are necessary during the useful life of the sewerage works to maintain the capacity and performance for which such works were designed and constructed. The term OPERATION AND MAINTENANCE includes replacement.
   SANITARY SEWER. A sewer that conveys sewage and polluted industrial wastes, and to which storm water, surface drainage, ground water or unpolluted wastewater are not intentionally admitted.
   SEWAGE. A combination of wastewater from residential, commercial, industrial and institutional buildings together with such ground water infiltration and surface water inflow that may be in the sewers.
   SEWER. A pipe or conduit for conveying sewage or any other wastewater, including storm water, surface water and ground water drainage.
   SEWER USER SERVICE CHARGE. The total amount to be paid each billing period by public sewer users including the basic user charge, the debt service charge and a surcharge, if applicable.
   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.
   SHALL. Mandatory.
   SUPERINTENDENT. The Superintendent of Water and Sewer Department of the city or his or her duly authorized deputy or representative.
   SURCHARGE. The amount to be paid each billing period by certain public sewer users in addition to the basic user charge and the debt service charge.
   SUSPENDED SOLIDS. Solids that either float on the surface of, 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 milligrams per liter.
   WASTEWATER. The wastewater from any domestic, commercial, industrial and institutional uses.
   WASTEWATER TREATMENT PLANT. An arrangement of devices, structures and processes for the treating and disposing of sewage.
(1974 Code, § 7-5A-1) (Ord. 654, passed 7-14-1981)