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 />6000 <br />5000 <br />Gallons per Month 4000 <br />3000 <br />2000 <br />1000 <br />0 <br />0 816 1585 2382 3280 <br />Tofal Area Living Space <br />Projected <br />~ Sampled Actual Data <br />Base Flow <br />Intercept, 3,946. Slope 0.951 gal/mo/sq ft <br />Gal. /Month <br />Gal. /Day (GPD) 132 Days per Month 30 <br />--30 day month-- <br />Cost per Gal/Day $2.257 Slope / 30 Days 0.032 <br />Base Charge <br /> $297'92 Cost per Gal/Day $2,2572 <br />GPD x Cost per Gal. <br /> Cost per sq ft = <br />~ i Daily usage factorx Cost per $0.0722 <br />~ Gal. <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 base rate of $297.92 plus an additional <br />charge of $0.0722 applied to the total proposed living space area of the dwelling. <br />