Chapter 13.08 SANITARY SEWER RATES


Section 13.08.020 Definitions.

 The following terms shall have the following meanings when used in this chapter:
    1. "BOD unit" (denoting biochemical oxygen demand) means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20 C.  A BOD unit is one pound of BOD as defined above.
    2. "Capital costs" means the unamortized principal costs for the existing and new treatment facilities remaining on June 30, 1978.  Capital costs are financed by the issuance and sale of the sewer revenue bonds, covering the costs for the existing interceptor, outfall and outlet sewers, lift stations and treatment facilities as well as the new treatment facilities.
    3. "Delivery system" means and includes interceptor sewers, outfall and outlet sewers and all lift stations. The delivery system may be described in more detail as including the following facilities:
        a. Force main and gravity interceptor from Floyd Lift Station to treatment plant;
        b. Interceptor sewer system from Perry Creek Lift Station to Floyd Lift Station;
        c. Interceptor sewer system from Riverside Park to Tri-View Industrial Area;
        d. Interceptor in Old Floyd Channel from Gordon Drive to Floyd Lift Station;
        e. Interceptor sewer between Thirty-eighth Street and Gordon Drive;
        f. Outfall sewer from treatment plant to river;
        g. Future additions to or reconstruction of the above designated interceptors, force mains and lift stations to be negotiated at time of construction;
        h. Perry Creek Lift Station;
        i. Floyd Lift Station;
        j. Morningside Lift Station;
        k. Riverside Lift Station;
        l. Airport Lift Station;
        m. York Road Lift Station;
        n. Twenty-eighth Street Lift Station;
        o. Dace Street Siphon;
        p. Steuben Street Siphon;
        q. Any future lift stations owned and operated by the city.
    4. "Director" means the environmental services director of the city, or his authorized representative.
    5. "Domestic-commercial user" means a user contributing less than twenty-five thousand gallons per day of normal-strength domestic sewage.
    6. "Flow unit" means a volume of liquid equal in quantity to one thousand gallons.
    7. "Industrial-commercial user" means a user contributing flows of twenty-five thousand gallons or  more per day of normal-strength domestic sewage as defined in subsection (8) but not having a sampling station, and sewage contribution is allocated on the basis of water meter readings.  Industrial-commercial users shall be in the applicable Industrial Cost Recovery - Standard Industrial Classification Manual and shall be subject to industrial cost recovery.
    8. "Major industrial user" means any person, firm or corporation owning, and includes the occupants of, any lot, parcel of real estate or buildings where waste is produced which is discharged into the sewer system of the city and which:
        a. Has an industrial waste discharge of twenty-five thousand gallons of equivalent normal-strength domestic sewage or more per day; or
        b. Has an industrial waste discharge greater than five percent of the flow carried by the municipal system receiving the waste; or
        c. Has in its waste, a toxic pollutant in amounts as defined in standards issued under Section 307(b) and (c) of the Federal Water Pollution Control Act Amendments of 1972; or
        d. Is found by the city to have significant impact, either single or in combination with other contributing industries, or their treatment works or upon the quality of effluent from that treatment works; or
        e. Is listed in the applicable Industrial Cost Recovery Standard Industrial Classification;
    Major industrial users shall provide a sampling station and shall be monitored as required so as to properly calculate appropriate user charges.
    9. "Normal-strength domestic sewage" means sewage which has no more than three hundred parts per million of suspended solids and the five-day biochemical oxygen demand does not exceed two hundred fifty parts per million.  The grease content shall not exceed one hundred parts per million.
    10. "Operation and maintenance charges" means total cost for operation and maintenance of the expanded wastewater treatment works, existing interceptor sewers, outfall and outlet sewers and lift stations.
    11. “Outside Improvement District User” means Dakota Dunes Community Improvement District, a local governmental entity under SDCL §7-25A.
    12. "Outside municipalities" means those incorporated city governments outside the corporate limits of Sioux City, Iowa.  The outside municipalities are North Sioux City, South Dakota; Sergeant Bluff, Iowa, and South Sioux City, Nebraska.
    13. "Public sewer" means a sewer which is controlled by public authority.
    14. "Replacement charges" means expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the service life of the treatment works to maintain the capacity and performance for which such works were designed and constructed.
    15. "Sanitary sewage" means the waste from water closets, urinals, lavatories, sinks, bathtubs, household laundries, cellar floor drains, garage floor drains, bars, soda fountains, refrigerator drains, drinking fountains, swimming pools, stable floor drains, and all other liquids not classified as industrial wastes that enter the sanitary sewer system.
    16. "Sanitary sewer" means a public sewer which carries sewage and to which storm, surface and ground waters are not intentionally admitted.
    17. "Service charge" means a charge of seven percent of that part of the contributing city unit rate attributable to treatment of sewage and shall be for support services given the sewage treatment operation by other departments of Sioux City administration, the cost of which is not reflected in either delivery costs or treatment costs.  This charge also compensates for the burden of ultimate responsibility for assuring compliance with state and federal requirements governing treatment of wastes.
    18. "Sewer extensions" means the total project costs for the proposed extensions to the collector sewer system which have been estimated and will be financed through the proceeds of the issuance and sale of sewer bonds, proposed for 1978, plus collection of sewer user charges.  The sewer bonds will also be amortized through the collection of sewer user charges, all of which costs are assignable to Sioux City domestic-commercial users only.
    19. "Sewer service user" refers to any person, firm or corporation, except a major industrial user defined in subsection 7. of this section, owning, and includes the occupants of, any lot, parcel of real estate or buildings where liquid or solid waste, sewage, or industrial waste is produced which is discharged into the sewer system of the city.
    20. "Sewer user charge" refers to any and all rates, charges, fees or rentals levied against and payable by sewer service and major industrial users.
    21. "Significant user" means any user whose sewage contributes as much as ten percent of the treatment works design loadings in terms of volume of flow, five-day BOD, or solids loadings.
    22. "Solids unit" means 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.  A solids unit is one pound of solids as defined above.
    23. "User Charge Plan" means the plan adopted by the city council which establishes rates, rules and regulations for the operation and maintenance of the collection, delivery and treatment of the sanitary sewage generated in the metropolitan area of Sioux City, Iowa, as approved in accordance with special grant conditions of the Iowa Department of Natural Resources and the Environmental Protection Agency (EPA) of the federal government or their successors.  This user charge plan is subject to review and modification annually by the city council, the IDNR and EPA.
    24. "Septic tank waste" means sanitary sewage or compatible nontoxic industrial waste collected from septic tanks or holding tanks by tank truck or similar conveyance.  (Ord. 2007-0407, 2006-0485, 98/U-6424; 90/T-9329; 83/T-2089; S-39109, 1979)