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(A) Sewer service charge unit costs. For purposes of determining proportionate user charges, determine the annual OM&R budget. Calculation of unit costs for treatment of flow, BOD, suspended solids (TSS) and nitrogen (TKN) shall be determined and fixed annually in the sewer service charge system according to the procedures contained in Appendix E of the March 1988 report entitled, “Sewer Service Charge System for Wastewater Treatment Facilities” for the city.
(B) Category A sewer service charge. Calculation of Category A sewer service charges shall be determined and fixed annually in the sewer service charge system according to the procedures contained in Appendix E of the above referenced March 1988 rate study report.
(C) Category B sewer service charge.
(1) The Category B sewer service charge shall be computed in accordance with the formula presented below:
T = FQ + (V x CV) + .00834 V (B x CB + S x CS + N x CN)
where: T = total sewer service charge; FQ = fixed quarterly charge; B = concentration of BOD in mg/l in the wastewater above 200 mg/l; S = concentration of suspended solids in mg/l in the wastewater above 300 mg/l; N = concentration of nitrogen in mg/l in the wastewater above 45 mg/l; V = wastewater volume in 1,000 gallons; CV = Category A volume charge cost per 1,000 gallons; CB = cost per pound of BOD; CS = cost per pound of suspended solids; CN = cost per pound of nitrogen; and 0.00834 = conversion factor.
(2) The above formula shall not be construed to give credits for a waste strength less than domestic concentrations for BOD, suspended solids or nitrogen.
(3) The charge for BOD in mg/l in the wastewater above 200 mg/l, based on the total pounds of BOD, shall be $0.32 per pound.
(D) Reassignment of sewer users. The Council will reassign sewer users into appropriate sewer service charge categories if wastewater sampling programs or other related information indicate a change of categories is necessary.
(2004 Code, § 53.103) (Ord. 781, passed 7-19-1988; Ord. 05-400, passed 4-12-2005)
All sewer service charge revenues collected for replacement costs shall be deposited in a separate and distinct fund to be used solely for replacement costs as defined in § 53.001 of this chapter. All sewer service charge revenues collected for other operation and maintenance expenses shall also be deposited in a separate and distinct fund. All revenues for the replacement fund and for operation and maintenance of the wastewater treatment facilities shall be used solely for the replacement fund and operation and maintenance of the wastewater treatment facilities.
(2004 Code, § 53.104) (Ord. 781, passed 7-19-1988)
(A) No person in the business of gathering and disposing of septic tank sludge or holding tank sewage shall transfer this material into any disposal area or public sewer unless a permit for disposal has been first obtained from the Council. Written application for this permit shall be made to the Council and shall state the name and address of the applicant, the number of its disposal units and the make, model and license number of each unit. Permits shall be non-transferable except in the case of replacement of the disposal unit for which a permit shall have been originally issued. The permit may be obtained upon payment of the annual permit fee. The time and place of disposal will be designated by the Council. The Council may impose conditions as it deems necessary on any permit granted.
(B) (1) Any person or party disposing of septic tank sludge or holding tank sewage agrees to carry public liability insurance in an amount not less than $100,000 to protect any and all persons or property from injury or damage caused in any way or manner by an act, or the failure to act, by any of the person’s employees. The person shall furnish a certificate certifying this insurance to be in full force and effect.
(2) All materials in the septic tank sludge or holding tank sewage disposed of into the treatment system shall be of domestic origin, or compatible pollutants only, and the person agrees that he or she will comply with the provisions of any and all applicable city code provisions and shall not deposit or drain any gasoline, oil, acid, alkali, grease, rags, waste, volatile or flammable liquids or other deleterious substances into the public sewers, nor allow any earth, sand or other solid material to pass into any part of the wastewater treatment facilities.
(3) Persons with a permit for disposing of septic tank sludge or holding tank sewage into the wastewater treatment facilities shall be charged the sewer service charges for these users as calculated annually in accordance with the procedures contained in Appendix E of the March 1988 report entitled, “Sewer Service Charge System for Wastewater Treatment Facilities” for the city.
(4) The person disposing of septic tank sludge or holding tank sewage agrees to indemnify and hold harmless the city from any and all liability and claims for damages arising out of or resulting from work and labor performed.
(2004 Code, § 53.105) (Ord. 781, passed 7-19-1988)
Any person discharging toxic pollutants which cause an increase in the cost of managing the effluent or sludge from the city’s wastewater treatment facility shall pay for those increased costs, as may be determined by the Council.
(2004 Code, § 53.106) (Ord. 781, passed 7-19-1988)
(A) Calculation of sewer service charges. Sewer service charges shall be computed according to the rates and formula presented in this subchapter.
(B) Sewer service charge billing period. Sewer service charges shall be billed by the city to the sewer users on a quarterly basis or as determined by the Council.
(C) Payment of sewer service charges. Those persons billed by the city for the sewer service charges shall pay the charges within ten days after the billing date at the City Hall.
(D) Delinquent bills; penalties. Any bill not paid in full ten days after the due date will be considered delinquent. At that time, the city shall require the delinquent owner or occupant to pay a penalty in addition to the original bill. The penalty shall be computed as 5% of the original bill. If delinquent bills are not paid they may be deemed delinquent and may be placed, together with penalties as provided by statute, on the next year’s tax roll and be collected as other taxes are collected. Change of ownership or occupancy of premises found delinquent shall not be cause for reducing or eliminating these penalties.
(E) Delinquent bills; responsibility. Payment of charges and penalties is the ultimate responsibility of the property owner. The city reserves the right to trace the delinquent bill or penalty to the new address of the delinquent occupant.
(2004 Code, § 53.107) (Ord. 781, passed 7-19-1988)
STORM WATER DRAINAGE UTILITY
Pursuant to M.S. § 444.075, as it may be amended from time to time, the city establishes a storm water drainage utility, authorizes the imposition of just and reasonable charges for the use and availability of storm sewer facilities, and establishes a Storm Water Fund. The Storm Water Fund shall be a separate account and shall be used solely for storm water drainage purposes, as outlined in the above-referenced statute.
(2004 Code, § 53.120) (Ord. 01-289, passed 1-23-2001)
For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
POLLUTANT LOADING. The amount of total suspended solids delivered to the storm water drainage system, measured in pounds per acre per year, that is generated from a given land use.
STANDARD RAINFALL EVENT. The one-year storm of one-day duration.
TOTAL SUSPENDED SOLIDS or TSS. The sum of all suspended matter, described by the dry weight of the suspended matter found in a specific volume of water (milligrams per liter, for example).
(2004 Code, § 53.121) (Ord. 01-289, passed 1-23-2001)
(A) In the exercise of its governmental authority and in order to promote the public health, safety, convenience and general welfare, the city has constructed, operated and maintained a storm sewer system (“the system”). This subchapter is adopted in the further exercise of this authority and for the same purposes.
(B) The system, as constructed, heretofore has been financed and paid for through the imposition of special assessments and ad valorem taxes. It is now necessary and desirable to provide an alternative method of recovering some or all of the future costs of improving, maintaining and operating the system through the imposition of charges as provided in this subchapter.
(C) (1) In imposing charges, it is necessary to establish a methodology that undertakes to make them just and equitable. Taking into account the status of completion of the system, past methods of recovering system cost, the topography of the city and other relevant factors, it is determined that it would be just and equitable to assign responsibility for some or all of the future costs of operating, maintaining and improving the system on the basis of the expected volume of storm water runoff from the various parcels of land within the city during a standard rainfall event as defined in § 53.131 of this chapter.
(2) In addition, it is determined that it would be just and equitable to assign responsibility for some or all of the future costs of operating, maintaining and improving the system on the basis of the expected pollutant loading from the various parcels of land within the city.
(D) Assigning costs and making charges based upon expected typical storm water runoff volume and pollutant loading cannot be done with mathematical precision, but can only be accomplished within reasonable and practical limits. The provisions of this subchapter undertake to establish a reasonable and practical methodology for making these charges.
(2004 Code, § 53.122) (Ord. 01-289, passed 1-23-2001)
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