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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 Development <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 />8000 <br />7000 <br />6000 <br />5000 <br />Gallons per Month 4000. <br />3000 <br />2000 <br />1000 <br />0 <br />0 816 1585 2382 3280 <br />otal Area Living Space <br />Projecte <br />~ Sampled Actual Data <br />Base Flow 3,946 <br />Intercept, <br />Gal. I Month <br />Gal. /Day (GPD) 132 <br />--30.day month-- <br />CosfperGal/Day $2'07 <br />Base Charge = $273 <br />GPD x Cost` ' er Gal. <br />slope 0.951 gal/mo/sq ft <br />.Days per'Month 30 <br />Slope / 30 Days 0.032 <br /> Daily usage factor per sq ft <br />Cost per Gal/Day $2.07 <br />Cost per sq ft = $0.066 <br />Daily usage factorx Cost per <br />Gal. <br />The implementation of this rate structure results in each new single family dwelling <br />being charged a local wastewater SDC that is comprised of a base rate of $273 plus an <br />additional charge of $0.066 applied to the total proposed living space area of the <br />dwelling. <br />City of `Eugene SDC Methodology Fee :Schedule & Formulas, Page f-3 <br />