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<br /> f <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 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 <br /> gallons per month. <br /> 8000 <br /> 7000 ~ <br /> j 6000 <br /> 5000 ~ <br /> Gallons per Month 4000 ~ <br /> 3000 <br /> 2000 <br /> 1000 <br /> 0 <br /> 370 1195 1977 2780 4000 <br /> 0 816 1585 2382 3280 <br /> Tobl Area Llvlnp Space <br /> Projected <br /> ~ Sampled Actual Data <br /> . <br /> Base Flow <br /> Interce t; 3,946 Shope 0.951 gal/mo/sq ft <br /> P <br /> i Gal, /Month <br /> Gal. /Day (GPD) 132 Days per Month 30 <br /> -30 day month-- <br /> Cost per GaUDay $2.5145 Slope /30 Days 0.032 <br /> I <br /> Base Charge = <br /> A $331.91 Cost per GaUDay $2.5145 <br /> i GPD x Cost per Gal. <br /> Cost per sq ft = <br /> Dally usage factor x Cost per $0.0805 <br /> Gal. <br /> The implementation of this rate structure results in each new single family dwelling being <br /> j charged a local wastewater SDC that is comprised of a base rate of $331.91 plus an additional <br /> j' charge of $0.0805 applied to the total proposed living space area of the dwelling. <br /> City of Eugene SDC Methodologies Fee Schedule & Formulas, Page F-3 <br /> <br />