FIGURE 6 <br />Stormwater S stem <br />Y_ <br /> System Value <br />Level of Service Replacement costs <br /> (minus) <br />Impact Measurement Assessable costs <br />~ Impervious surface <br /> (equals) <br /> <br />i~ SDC eligible costs <br />Formula: <br />COSt Of ServlCe ( PER ACRE) <br />SDC eligible costs Cost per <br /> impervious <br />Acres of acre <br />impervious surface <br />Formula: <br />Cost of Service (PER SQUARE FOOT) <br />Cost per Cost per <br />impervious acre square foot of <br /> = impervious <br />Square feet per acre surface <br />NOTE: The cost per unit of measure, can be found in the current adopted SDC fee schedule in <br />Appendix G. <br />May 1, 1.997 City of Eugene SDC Methodology Page E-2 <br />