For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ADMINISTRATION. Those fixed costs attributable to administration of the wastewater treatment works such as billing and associated accounting costs.
BIOCHEMICAL OXYGEN DEMAND (BOD5). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20° C, expressed in milligrams per liter.
CITY. The area within the corporate boundaries of the city as presently established or as amended by ordinance or other legal actions at a future time. When used herein the term CITY may also refer to the City Council or its authorized representative.
COMMERCIAL USER. A user other than governmental, industrial, or residential users, discharging primarily normal domestic strength wastewater.
COMMERCIAL WASTEWATERS. Domestic wastewater emanating from a place of business or institution as distinct from industrial wastewater.
CONNECTION 1 CHARGE. A monthly charge levied on the users of a treatment works for the cost of billing administration; inflow and infiltration's proportionate share of treatment works operation, maintenance, and replacement costs; and the costs of inflow and infiltration abatement activities of the city. This charge is levied on the basis of the number of user connections to the wastewater treatment works.
CONNECTION 2 CHARGE. A monthly charge levied on the users of a treatment works for inflow and infiltration's proportionate share of treatment works debt retirement costs. This charge is levied on the basis of the number of user connections to the wastewater treatment works.
CONNECTION 3 CHARGE. A monthly charge levied on the users of a treatment works for the cost of repaying money bonded prior to January 1, 1988 for the construction or improvement of the treatment works; the costs of any improvements made to the wastewater collection system not financed through special assessment proceedings; and for reserve capacity costs. This charge is levied on the basis of the sum of the number of industrial, commercial, and governmental user connections and the number of dwelling units utilizing the wastewater treatment works.
DEBT SERVICE CHARGE. A charge levied on users of wastewater treatment plant for users proportionate share of the cost of repaying money bonded after January 1, 1988 to construct, renovate, or upgrade said facilities.
DWELLING UNIT. One room, or suite of private or interconnecting rooms, designed for occupancy by one family for living and sleeping purposes and having cooking, toilet, and bathing facilities.
EXTRA STRENGTH WASTE. Wastewater having a BOD5, TSS, or TP greater than domestic waste as defined in "normal domestic strength wastewater" and not otherwise classified as an incompatible waste.
GOVERNMENTAL USER. Users other than residential users which are units, agencies or instrumentalities of federal, state or local government discharging "normal domestic strength wastewater."
INCOMPATIBLE WASTE. Waste that either singly or by interaction with other wastes interferes with any waste treatment process, constitutes a hazard to humans or animals, creates a public nuisance or creates any hazard in the receiving waters of the wastewater treatment works.
INDUSTRIAL USERS or INDUSTRIES.
(1) (a) Entities that discharge into a publicly owned wastewater treatment works liquid wastes resulting from the processes employed in industrial or manufacturing processes, or from the development of any natural resources. These are identified in the Standard Industrial Classification Manual, latest edition, Office of Management and Budget, as amended and supplemental under one of the following divisions:
Division A. Agriculture, Forestry and Fishing
Division B. Mining
Division D. Manufacturing
Division E. Transportation, Communications, Electric, Gas, and Sanitary Sewers
Division I. Services
(b) For the purpose of this definition, domestic waste shall be considered to have the following characteristics: BOD5 - less than 300 mg/l; suspended solids - less than 350 mg/l; total phosphorus - not greater than 8 mg/l.
(2) Any nongovernmental user of a publicly owned treatment works which discharges wastewater to the treatment works which contains toxic pollutants or poisonous solids, liquids or gases in sufficient quantity, either singly or by interaction with other wastes, to contaminate the sludge of any municipal systems, or to injure or to interfere with any sewage treatment process, or which constitutes a hazard to humans or animals, creates a public nuisance, or creates any hazard in or has an adverse effect on the waters receiving any discharge from the treatment works.
INDUSTRIAL WASTEWATER. The liquid processing wastes from an industrial manufacturing process, trade, or business including but not limited to all Standard Industrial Classification Manual Divisions A, B, D, E and I manufacturers as distinct from domestic wastewater.
INDUSTRIAL WASTEWATER TREATMENT WORKS. The wastewater treatment works originally constructed for the sole use by Armour and Company, its assigns and/or successors. This treatment works is intended to be operated and maintained independent of the city's primary treatment works.
INFLOW AND INFILTRATION. Clear water flows introduced into the treatment works from ground water, and runoff of rainfall and snowmelt. The volume of inflow and infiltration shall be based on the quantity of inflow and infiltration which the treatment works was designed and constructed to receive.
MAY The term is permissive.
NORMAL DOMESTIC STRENGTH WASTEWATER. Wastewater that is primarily produced by residential users, with BOD5 concentrations not greater than 300 mg/l, an average suspended solids (TSS) concentration not greater than 350 mg/l, and an average total phosphorus (TP) concentration not greater than 8 mg/l.
OPERATION AND MAINTENANCE. Activities required to provide for the dependable and economical functioning of the treatment works, throughout the design or useful life, whichever is longer of the treatment works, and at the level of performance for which the treatment works were constructed.
OPERATION AND MAINTENANCE COSTS. Expenditures for operation and maintenance.
PUBLIC WASTEWATER COLLECTION SYSTEM. A system of sanitary sewers and pumping stations upstream of the treatment plant owned, maintained, operated and controlled by the city, excluding those connected to the industrial wastewater treatment works.
REPLACEMENT. Obtaining and installing of equipment, accessories or appurtenances which are necessary during the design life or useful life, whichever is longer, of the treatment works to maintain the capacity and performance for which such works were designed and constructed.
REPLACEMENT COSTS. Expenditures for replacement.
RESERVE CAPACITY. The difference between the capacity for average flow and loadings for which the treatment plant was designed and built or improved, and the annually projected average flow and loadings, but not less than zero.
RESERVE CAPACITY COSTS. The cost of retiring bonds sold after January 1, 1988 to improve the treatment plant which are not recovered by the levied debt service charges as a result of reserve capacity.
RESIDENTIAL USER. A user of the treatment facilities, including governmental entities, whose premises or building is used primarily as a residence for one or more persons, including dwelling units such as detached and semi-detached housing, apartments and mobile homes, and which discharges primarily normal domestic strength sanitary wastes.
SANITARY SEWER. A sewer intended to carry only liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions, together with minor quantities of ground, storm and surface waters which are not admitted intentionally.
SEWER SERVICE CHARGE. The aggregate of all charges, including charges for operation, maintenance, replacement, debt service, and other sewer related charges that are billed periodically to users of the city's wastewater treatment facilities.
SEWER SERVICE FUND. A fund into which income from sewer service charges is deposited along with other income, including taxes intended to retire debt incurred through capital expenditure for wastewater treatment. Expenditure of the sewer service fund will be for operation, maintenance and replacement costs and to retire debt incurred through capital expenditure for wastewater treatment.
SHALL. The term is mandatory.
SLUG. Any discharge of water or wastewater which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than 15 minutes more than five times the average 24-hour concentration or flows during normal operation and shall adversely affect the collection system or performance of the wastewater treatment works.
STANDARD INDUSTRIAL CLASSIFICATION MANUAL. Means the Standard Industrial Classification Manual published by the Office of Management and Budget, latest edition.
SUSPENDED SOLIDS (SS) or TOTAL SUSPENDED SOLIDS (TSS). The total suspended matter that either floats on the surface or is in suspension in water, wastewater or other liquids, and is removable by laboratory filtering as prescribed in Standard Methods for the Examination of Water and Wastewater, latest edition, and referred to as non-filterable residue.
TOTAL PHOSPHORUS or TP. All forms of phosphorus present in wastewater as measured in procedures described in the latest edition of Standard Methods for the Examination of Water and Wastewater.
TOXIC POLLUTANT. The concentration of any pollutant or combination of pollutants as defined in standards issued pursuant to Section 307(a) of the Act (33 USC 1317(a)), which upon exposure to or assimilation into any organism, will cause adverse effects.
USAGE CHARGE. The sum of user charge and debt service charge.
USER CHARGE. A charge levied on a user of a treatment works for the user's proportionate share of the cost of operation and maintenance, including replacement.
USER CONNECTION. The sewer piping or conduit intended to convey wastewater from a users premise or building to the public wastewater collection system.
USERS. Those residential, commercial, governmental, institutional and industrial establishments which are connected to the public sewer collection system.
WASTEWATER. The spent water of a community, also referred to as sewage. From the standpoint of source, it may be a combination of the liquid and water-carried wastes from residences, commercial buildings, industrial plants and institutions together with any ground water, surface water and storm water that may be present.
WASTEWATER TREATMENT PLANT or TREATMENT PLANT. An arrangement of any devices, facilities, structures, equipment or processes owned or used by the city, excluding the industrial wastewater treatment works, for the purpose of the storage, treatment, recycling and reclamation of municipal sewage, domestic sewage or industrial wastewater, or structures necessary to recycle or reuse water including improvements, remodeling, additions and alterations thereof; elements essential to provide a reliable recycled water supply such as standby treatment units and clear well facilities; and any works including land which is an integral part of the treatment process or is used for ultimate disposal of residues resulting from such treatment. WASTEWATER TREATMENT PLANT is also defined as the wastewater treatment works excluding the wastewater collection system.
WASTEWATER TREATMENT WORKS or TREATMENT WORKS. An arrangement of any devices, facilities, structures, equipment, or processes owned or used by the city ,excluding the industrial wastewater treatment works, for the purpose of the transmission, storage, treatment, recycling, and reclamation of municipal sewage, domestic sewage or industrial wastewater, or structures necessary to recycle or reuse water including interceptor sewers, outfall sewers, collection sewers, pumping, power, and other equipment and their appurtenances; extensions, improvements, remodeling, additions, and alterations thereof; elements essential to provide a reliable recycled water supply such as standby treatment units and clear well facilities; and any works including land which is an integral part of the treatment process or is used for ultimate disposal of residues resulting from such treatment.
(Ord. 745, passed 11-27-89; Am. Ord. 928, passed 11-26-01)