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<br />1.3 Wastewater System Cost of Service: <br />1.3.1 Local Wastewater System Cost of Service <br />Determination of Flow Estimation Formula for Residential DeveloDment <br /> <br />Graphical comparison of water consumption per month to square foot of living area results in a <br />slope of 0.951 gallons per month per square foot and a base flow per dwelling unit of 3,946 gallons <br />per month. <br /> <br />Gallons per Month <br /> <br />8000 <br />7000 <br />6000 <br />5000 <br />4000 * <br />3000 <br />2000 <br />1000 <br />o <br /> <br /> <br /> <br />o <br /> <br />D P. Total Area Living Space <br />rOJectea <br />* Sampled Actual Data <br /> <br />Base Flow 3,946 <br />Intercept, <br />Gal. / Month <br />Gal. / Day (GPD) 132 <br />--30 day month-- <br />Cost per Gal/Day $2.15 <br />Base Charge = $283.80 <br />GPD x Cost per Gal. <br /> <br />Slope 0.951 gal/mo/sq ft <br />Days per Month 30 <br />Slope / 30 Days 0.032 <br />Cost per Gal/Day $2.15 <br />Cost per sq ft = $0.069 <br />Daily usage factor x Cost per <br />Gal. <br /> <br />The implementation of this rate structure results in each new single family dwelling being <br />charged a local wastewater SDC that is comprised of a b~se rate of $283.80 plus an <br />additional charge of $0.069 applied to the total proposed living space area of the dwelling. <br /> <br />City of Eugene SDC Methodology <br /> <br />Fee Schedule & Formulas, Page F-3 <br />