For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BOD (denoting BIOCHEMICAL OXYGEN DEMAND). The quantity of oxygen utilized in the biochemical oxidation or organic matter under standard laboratory procedure in five days at 20°C, 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 waste water treatment works 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. A source of indirect discharge which does not constitute a "discharge of pollutants" under regulations issued pursuant to § 402 of the Clean Water Act.
INSTITUTIONAL USER. Social, charitable, religious and educational activities such as schools, churches, hospitals, nursing homes, penal institutions and similar institutional users.
NORMAL DOMESTIC WASTE WATER. Waste water that has a BOD concentration of not more than 350 mg/l and a suspended solids concentration of not more than 350 mg/l and ammonia nitrogen of not more than 20 mg/l.
OPERATION AND MAINTENANCE. Those functions that result in expenditures during the useful life of the treatment works for materials, labor, administration, consulting services, utilities and other items which are necessary for managing and for which the works were designed and constructed. The term OPERATION AND MAINTENANCE includes replacement as defined in this section.
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 the works were designed and constructed.
RESIDENTIAL USER. Any contributor to the waste water treatment works whose lot, parcel or real estate, or building is used for domestic dwelling purposes only.
SS (denoting 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.
SUSPENDED SOLIDS (TSS). Total suspended matter that either floats on the surface of, or is in suspension, in water, waste water or other liquids and that is removable by laboratory filtering as prescribed in Standard Methods for Examination of Water and Wastewater and 40 C.F.R. part 136.
TREATMENT WORKS. Any devices and systems for the storage, treatment, recycling and reclamation of municipal waste water, domestic waste water or liquid industrial wastes. These include intercepting sewers, outfall sewers, waste water 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 the compost and land used for the storage of treated waste water in land treatment systems before land application); or any other method of 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 waste water service charge which is levied in a proportional and adequate manner for the cost of operation, maintenance and replacement of the waste water treatment works.
WATER METER. A water volume measuring and recording device, furnished and/or installed by a user and approved by the Manager of the city's Sewerage and Water Works Commission.
(Ord. 34-93, passed 12-21-1993)