§ 51.25 DEFINITIONS.
   Unless the context specifically indicates otherwise, the meaning of terms used in this subchapter shall be as follows:
   BOARD. The Board of Public Works and Safety of Valparaiso, Indiana, or any duly authorized officials acting on its behalf.
   CITY. The City of Valparaiso, Indiana, acting by and through the Board of Public Works and Safety.
   DEBT SERVICE COSTS. The average annual principal and interest payments on all outstanding revenue bonds or other long term capital debt.
   EXCESSIVE STRENGTH SURCHARGE. An additional charge which is billed to users for treating sewage wastes with an average strength in excess of normal domestic sewage.
   INDUSTRIAL WASTES. The wastewater discharges from industrial, trade or business processes as distinct from employee wastes or wastes from sanitary conveniences.
   MAY. The action referred to is permissive.
   NORMAL DOMESTIC SEWAGE.
      (1)   For the purpose of determining surcharges, NORMAL DOMESTIC SEWAGE shall mean wastewater or sewage having an average daily concentration as follows:
         (a)   COD not more than 480 mg/l;
         (b)   BOD not more than 240 mg/l;
         (c)   S.S. not more than 200 mg/l;
         (d)   NH (nitrogen as ammonia) not more than 30 mg/l ;and/or
         (e)   Phosphorus not more than 10 mg/l.
      (2)   As defined by origin, wastewaters from segregated domestic and/or sanitary conveniences as distinct from wastes from industrial processes.
   OPERATION AND MAINTENANCE COSTS. Include all costs, direct and indirect, necessary to provide adequate wastewater collection, transport and treatment on a continuing basis and produce discharges to receiving waters that conform with all related federal, state and local requirements. These costs include replacement.
   OTHER SERVICE CHARGES. Tap charges, connection charges, area charges and other identifiable charges, other than user charges, debt service charges and excessive strength surcharges.
   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.
   REPLACEMENT COSTS. The expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the useful life of the sewage works equipment to maintain the capacity and performance for which the works were designed and constructed.
   SEWER INDUSTRIAL COST RECOVERY ORDINANCE. A separate and companion enactment to this chapter, which provides for recovery from industrial users of the sewage works a portion of the federal grant amount allocable to the construction of sewage facilities for treating industrial waste pursuant to Section 204(b) of P.L. 95-217 and 40 CFR Part 35.928.
   SHALL. The action referred to is mandatory.
   USER CHARGE. A charge levied on users of the wastewater treatment works for the cost of operation and maintenance of the works, pursuant to Section 204(b) of P.L. 92-500.
   USER CLASS. The division of wastewater treatment customers by source, function, waste characteristics and process or discharge similarities (for example, residential, commercial, industrial, institutional and governmental in the user charge system and as industrial and nonindustrial in the industrial cost recovery system).
      (1)   COMMERCIAL USER. Any establishment involved in a commercial enterprise, business or service which based on a determination by the city, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
      (2)   GOVERNMENTAL USER. Any federal, state or local governmental user of the wastewater treatment works.
      (3)   INDUSTRIAL USER. Any manufacturing or processing facility that discharges industrial waste to a publicly owned treatment works.
      (4)   INSTITUTIONAL USER. Any establishment involved in a social, charitable, religious and/or educational function which, based on a determination of the city, discharges primarily segregated domestic wastes or wastes from sanitary conveniences.
      (5)   RESIDENTIAL USER. A user of the treatment works whose premises or building is used primarily as a residence for one or more persons, including all dwelling units and the like.
(‘89 Code, § 103.01)