Amending Various Sections of Chapter 17 Adjust Sewer Rates and Charges Incrementally Through 2016

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Section 17 -23. Heavy demand surcharge. (a) In order that the rates and charges may be justly and equitably adjusted to the service rendered to users, the City shall base its charges not only on the volume, but also on strength and character of the stronger - than- normal domestic sewage and wastes which it is required to treat and dispose of The City shall require the user to determine the strength and content of all sewage and wastes discharged, either directly or indirectly into the sanitary sewage system, in such manner, by such method and at such times as the City may deem practicable in light of the conditions and attending circumstances of the case, in order to determine the proper charge. The user shall furnish a central sampling point available to the City at all times. (b) Normal sewage domestic waste strength should not exceed ammonia- nitrogen in excess of twenty -five (25) milligrams per liter of fluid, suspended solids in excess of two hundred fifty (250) milligrams per liter of fluid, biochemical oxygen demand in excess of two hundred fifty (250) milligrams per liter of fluid, or phosphorus in excess of ten (10) milligrams per liter of fluid. Additional charges for treating stronger - than- normal domestic waste shall be made on the following basis: Excess Streneth of Waste Surcharges 2010* 204 20Q 204-3 2014 2015 2016 - Suspended Solids (Per Pound) $0:44 $0:46 $04-7 $0-49 $0.20 $0.21 $0.22 (Concentration Limit 250 mg /1) - Biochemical Oxygen Demand (Per $4.49 $441- $0-23 $4.25 $0.26 $0.28 $0.29 Pound) (Concentration Limit 250 mg/I) - Ammonia Nitrogen (Per Pound) $1.34 $1.37 $1.44 $1.51 (Concentration Limit 25 mg/1) - Phosphorous (Per Pound) $1:72 $1-8-7 $2-.04 $2-23 $2.34 2.46 $2.58 (Concentration Limit 10 mg/1) (c) The determination of suspended solids, biochemical oxygen demand, ammonia- nitrogen, phosphorus, ammonia and COD contained in the waste shall be in accordance with the latest copy of "Standard Methods for the Examination of Water and Wastewater," as written by the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation, and in accordance with "Guidelines Establishing Test Procedures for Analysis of Pollutants," 40 C.F.R. Part 136. (d) If the City and the user can agree upon the relationship between BOD and COD, then COD may be used for calculating the BOD surcharge.