§ 55.02  DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   BOD (BIOCHEMICAL OXYGEN DEMAND).   The quantity of oxygen utilized in the biochemical oxidation or organic matter under standard laboratory procedure in five (5) days at twenty (20) degrees Centigrade, expressed in milligrams per liter (mg/l).
   COMMERCIAL USER.   All retail stores, restaurants, office buildings, laundries, and other private business and service establishments.
   DEBT SERVICE.   Charges levied on users of the sewage treatment system to support the annual debt service obligations of the system.
   GOVERNMENTAL USER.   Legislative, judicial, administrative, and regulatory activities of federal, state and local governments.
   INDUSTRIAL USER.   Any non-governmental, non-residential user of publicly owned treatment works which is identified in the Standard Industrial Classification Manual, 1972, Office of Management and Budget, as amended and supplemented under the following divisions: Division A-Agriculture, Forestry, and Fishing; Division B-Mining; Division D-Manufacturing; Division E-Transportation, Communications, Electric, Gas and Sanitary; and Division I-Services.
   INSTITUTIONAL USER.   Social, charitable, religious and educational activities such as schools, churches, hospitals, nursing homes, penal institutions and similar institutional users.
   NORMAL DOMESTIC WASTEWATER.   Wastewater that has a BOD concentration of not more than two hundred fifty (250) mg/l and a suspended solids concentration of not more than two hundred fifty (250) mg/l.
   OPERATION AND MAINTENANCE.   Those functions that result in expenditures during the useful life of the treatment works for materials, labor, utilities and other items which are necessary for managing and which such works were designed and constructed.  The term OPERATION AND MAINTENANCE includes replacement as defined herein.
   REPLACEMENT.   Expenditures for obtaining and installing equipment accessories or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which such works were designed and constructed.
   RESIDENTIAL USER.   Any contributor to the city's treatment works whose lot, parcel or real estate, or building is used for domestic dwelling purposes only.
   SS (SUSPENDED SOLIDS).   Solids that either float on the surface of, or are in suspension in, water, sewage or other liquids, and which are removable by laboratory filtering.
   TREATMENT WORKS.   Any devices and systems for the storage, treatment, recycling and reclamation of municipal sewage, domestic sewage or liquid industrial wastes.  These include intercepting sewers, outfall sewers, sewage collection systems, pumping, power and other equipment and their appurtenances, extensions, improvements, remodeling, additions and alterations thereof, elements essential to provide a reliable recycled supply such as standby treatment units and clear well facilities; and any works, including site acquisition of the land that will be an integral part of the treatment process or is used for ultimate disposal of residues resulting from such treatment (including land for composting sludge, temporary storage of such compost and land used for the storage of treated wastewater in land treatment systems before land application); or any other method or system for preventing, abating, reducing, storing, treating, separating or disposing of municipal waste or industrial waste, including waste in combined storm water and sanitary sewer systems.
   USEFUL LIFE.   The estimated period during which a treatment works will be operated.
   USER CHARGE.   That portion of the total wastewater service charge which is levied in a proportional and adequate manner for the cost of operations maintenance and replacement of the wastewater treatment works.
   WATER METER.   A water volume measuring and recording device furnished and/or installed by a user and approved by the city.
(Ord. 0-95-006, passed 9-25-95; Am. Ord. 0-2008-004, passed 1-14-08)