§ 52.056  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 of organic matter under standard laboratory procedure in five days 20°C, expressed by milligrams per liter (mg/l).
   NON-RESIDENTIAL CONTRIBUTOR.  Any contributor to or user of the system whose lot, parcel, or real estate or building is served by a water meter larger than three-fourths of an inch.
   NORMAL DOMESTIC WASTEWATER.  Wastewater that has a BOD concentration of not more than 240 mg/l and a suspended solids concentration of not more than 240 mg/l.
   OPERATION AND MAINTENANCE.  All expenditures during the useful life of the system for materials, labor, utilities, and other items which are necessary for managing and maintaining the system to achieve the capacity and performance for which the system was designed and constructed.
   REPLACEMENT.  Expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the useful life of the system to maintain the capacity and performance for which the system was designed and constructed.
   RESIDENTIAL CONTRIBUTOR.  Any contributor to or user of the system whose lot, parcel of real estate, or building is served by a three-fourths inch water meter or less.
   SUSPENDED SOLIDS (SS).  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.
   SYSTEM.  The sewerage system of the city, consisting of all properties and assets, real and personal, and tangible and intangible of the city, now or hereafter existing, which are held or used for the purpose of collecting and treating sewage including, but not limited to, the city’s treatment facilities and all collection lines and equipment connected therewith.
   SYSTEM REVENUES.  All income and revenues derived by the city from the operation of the system.
   TREATMENT FACILITIES.  Part of the system consisting of 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, individual systems, pumping, power, and other equipment and their appurtenances; extensions improvement, remodeling, additions and alteration 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.
(Ord. 91-001, passed 1-15-1991)