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operation, and maintenance costs for treatment works of $17,083,457 and the <br />projected 1976 flow totaling 92,528 million gallons, the unit 0 & M cost would <br />amount to $184.60 per million gallons or 18.46 cents per thousand gallons. <br />However, an evaluation of the current waste load discharges containing pollutant <br />strengths in excess of 681 mg /liter COO and 317 mg /liter SS indicates that had <br />the high strength loadings been discharged at these system average concentrations <br />the additional flow equivalent credit necessary for such condition would total <br />29,016 million gallons of flow per year. The unit 0 & M strength charge on <br />this basis is: <br />$17,083,457 _ $140.55 per million gallons <br />(92,528 + 29,016Y or 14.06 cents per thousand gallons <br />Strength costs to each applicable industry would be arrived at as follows: <br />Strength Cost, $ = SCF x $140.55 x MG volume discharged or <br />= SCF x $0.1406 x thousand gallons volume discharged <br />The current summation for all high strength industries of the products of the <br />SCF and discharge volume for each such industry is 4-7, -388- 9,.314 million gallons per <br />year. The projected 1976 industrial strength cost revenues are then, <br />47388 9,314 MG x $140.55/MG = 5234433883 $1,309,083 <br />Overall revenues and unit costs are then computed from the following 1976 data <br />projections: <br />Total Trtmt. Works 0 & M Costs <br />Flow Related Costs Other than T.W. 0 & M <br />Total Proposed Sewer Service Charge Revenues <br />Anticipated Strength Charge Revenues <br />Net Revenues From Communities <br />= $ 17,083,457 <br />= $ 14,216,905 <br />= $ 31,300,362 <br />= - -e,44e,8$3 $ 1,309,083 <br />= -$- 28;856-A-7-9- $29,991,27q <br />Total Unit Base Charge To Communities <br />_ 628T892663528 479 $29,921.219 = $344787 $324.13/MG or 347490 32.41/1000 gallons <br />Unit Trtmt. Works 0 & M Volume Charge <br />_ ($17,083,457 - $2s443s883 $1,309,083) _ <br />058:32 $170.48/MG or <br />92,528 <br />45782# 17.054/1000 gallons <br />Unit Flow Related Charge <br />$14,216,905 = $153.65/MG or 15.3701000 gallons <br />92,528 <br />The total unit base charge per million gallons to all users consists of the <br />treatment works 0 & M volume charge plus the flow related charge for costs <br />other than treatment works 0 & P4 costs. <br />- 10a;- <br />