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For the purpose of this article, the following definitions shall apply unless the context indicates or clearly 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 (5) days at 20o C, expressed in milligrams per liter (mg/l).
“COMMERCIAL USER.” All retail stores, restaurants, office buildings, laundries, and other private businesses and service establishments.
“DEBT SERVICE.” Charges levied on users of the wastewater treatment works to support the annual debt service obligations of the system.
“GOVERNMENTAL USER.” Includes legislative, judicial, administrative, and regulatory activities of federal, state, and local governments.
“INDUSTRIAL USER” (IU). A source of indirect discharge which does not constitute a discharge of pollutants under regulations issued pursuant to Section 402 of the Clean Water Act.
“INSTITUTIONAL USER.” Includes 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 250 mg/l and a suspended solids concentration of not more than 300 mg/l and any other pollutant, oil and grease 150 mg/l and NH3N of not more than 30.0 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 for which such works were designed and constructed. The term “OPERATION AND MAINTENANCE” includes “REPLACEMENT” as defined below.
“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.
“SHALL.” Is mandatory; “MAY.” Is permissive.
“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.
“TREATMENT WORKS.” Any devices and systems for the storage, treatment, recycling, and reclamation of municipal wastewater, domestic wastewater, or liquid industrial wastes. These include intercepting sewers, outfall sewers, wastewater collection systems, pumping, power, and other equipment and their appurtenances; extension, 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.” The total wastewater service charge which is levied in a proportional and adequate manner for the cost of operation, maintenance, replacement, and debt service expenses 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. 98-17, passed 8-18-98)