§ 51.01  DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   BASIC USER CHARGE. The amount to be paid each billing period by all public waterworks and sewage works users for payment of operation and maintenance costs plus replacement of the waterworks and sewerage works of the village.
   BOD. Biochemical oxygen demand, which is defined as 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.
   CONNECTION FEE. The amount to be paid by all new users for connecting to the waterworks and sewerage works of the village.
   CONTROL MANHOLE. A structure specifically designed and constructed for sampling and metering industrial wastes discharged to a public sewer.
   DEBT SERVICE CHARGE. The amount to be paid each billing period by all public waterworks and sewerage works users for payment of principal and interest of outstanding bonds and to provide bond reserve funds required by bond ordinances of the village.
   FEDERAL ACT.  The Federal Water Pollution Control Act (33 U.S.C. §§ 1251 et seq.) as amended by the Federal Pollution Control Act Amendments of 1972 (Pub. L. No. 92-500 and Pub. L. No. 93-243) and the Clean Water Act of 1977 (Pub. L. No. 95-217).
   INDUSTRIAL USER.
      (1)   (a)   1.   For the purpose of industrial cost recovery any nongovernmental, nonresidential user of publicly-owned sewerage works which discharges more than the equivalent of 25,000 gallons per day (gpd) of sanitary wastes 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:
               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; and
               e.   Division I - Services.
            2.   Also any other nongovernmental user as defined as an INDUSTRIAL USER in 40 C.F.R. § 35.905.
         (b)   In determining the amount of a user’s discharge for purposes of industrial cost recovery, the village will exclude domestic wastes or discharges from sanitary conveniences. After applying the sanitary waste exclusion of this division, discharges in the above divisions that have a volume exceeding 25,000 gpd or the weight of BOD or suspended solids equivalent to that weight found in 25,000 gpd of sanitary waste are considered INDUSTRIAL USERS.
         (c)   Sanitary wastes, for purposes of this calculation of equivalency, are wastes containing 0.17 pounds of BOD and 0.22 pounds of suspended solids per 100 gallons of wastewater per day.
      (2)   For the purpose of user charges, INDUSTRIAL USERS shall include manufacturing activities involving the mechanical or chemical transformation of materials or substances into other products. These activities occur in establishments usually described as plants, factories or mills and characteristically use power-driven machines and material handling equipment.
   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.
   MAJOR CONTRIBUTING INDUSTRY.  An industrial user that has a flow of 50,000 gallons or more per average work day, 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, being 33 U.S.C. § 1317(a); 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.  The action referred to is permissive.
   MG/L.  Milligrams per liter.
   MOBILE HOME and MOBILE HOME PARK.  Defined as provided in 210 ILCS 115/2.1 and 2.5.
   NPDES PERMIT.  Any permit or equivalent document to regulate the discharge of pollutants pursuant to § 402 of the Federal Act, being 33 U.S.C. § 1342.
   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.
   pH.  The logarithm (base 10) of the reciprocal of the hydrogen-ion concentration expressed in gram molecular weight (moles) per liter.
   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 0.17 pounds of BOD and 0.22 pounds of suspended solids.
   PUBLIC SEWER.  A sewer in which all owners of abutting properties have equal rights of connection and use, and is operated, maintained and controlled by the village or other public agencies.
   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 the works were designed and constructed. The term OPERATION AND MAINTENANCE includes replacement.
   RESIDENTIAL or COMMERCIAL or NON-INDUSTRIAL USER.  Any user of the sewerage works not classified as an industrial user or excluded as an industrial user.
      (1)   Residential user. Any private building or part of a building used for residential dwelling purposes and each mobile home located within a mobile home park.  Each dwelling unit of a residential building having two or more dwelling units and each mobile home located in a mobile home park shall be considered a separate and individual sewer user.
      (2)   Commercial user. Any private building or part of a building used for commercial establishments, including but not limited to retail stores, business services, restaurants, taverns, automobile service stations and garages, hotels and motels, and the like with dry weather wastewater flow less than 25,000 gallons per day.  Each commercial establishment of a building having two or more commercial establishments shall be considered a separate and individual sewer user.
      (3)   Nonindustrial user. Any private or public building, or part of a building used for nonindustrial purposes, except for residential and/or commercial uses, including but not limited to churches, schools, hospitals, libraries, clubs or lodges, nursing homes, research laboratories, and the like with dry weather wastewater flow less than 25,000 gallons per day.
   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 the wastewater from residential, commercial, industrial and institutional buildings together with the ground water infiltration and surface water inflow that may be in the sewers.
   SEWAGE TREATMENT PLANT.  An arrangement of devices, structures and processes for the treating and disposing of sewage.
   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 WORKS.  All facilities of the village for collecting, pumping, treating and disposing of sewage and industrial wastes.
   SHALL. The action referred to is mandatory.
   SLUG.  Any discharge of sewage, industrial waste or other 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.
   STATE ACT.  The Illinois Environmental Protection Act effective July 1, 1970, being 415 ILCS 5/1 through 51.
   SUPERINTENDENT. The Superintendent of Public Works of the village or his or her duly authorized deputy or representative.
   SURCHARGE. The amount to be paid each billing period by certain public waterworks and sewerage works 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 in other wastewaters; the quantity of which is determined by standard laboratory filtering test procedures and referred to as nonfilterable residue expressed in mg/l.
   USEFUL LIFE. The estimated period during which the sewerage works will be operated from the date of start-up of any facilities constructed with a state grant.
   USER CLASS.  The type of user either “residential or commercial” (nonindustrial) or “industrial” as defined herein.
   VILLAGE. The Village of Kirkland of DeKalb County, Illinois.
   WATER USER SERVICE CHARGE. The total amount to be paid each billing period by public waterworks users including the basic user charge, the debt service charge, and a surcharge if applicable.
   WATERWORKS AND SEWERAGE REVENUE FUND.  The principal accounting designation for all revenue received for the operation of the waterworks and sewerage works of the village.
(1983 Code, § 7-3-1)  (Ord. 581, passed - -1982; Ord. passed - -1983)