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S. .2 Quantity Component <br /> he annual rate per ESU for the quantity component is calculated by dividing the <br /> q antity revenue requirements by the total number of ESUs. The monthly rate is <br /> c lculated by dividing the formula by 12. <br /> RevenueQ„r,~~, <br /> MonthlyRate ESUs, <br /> 12 <br /> O ce this constant is determined, the quantity charge is calculated by multiplying the <br /> q antity rate by the number of ESUs belonging to a customer. <br /> Feea„~,~; MonthlyRate~,.ESU~,„K . <br /> 5. .3 Quality Component <br /> D ring the first five years of the program, the water quality revenue requirements will <br /> b allocated only by ESU since the programs are provided to all customer categories. <br /> F r this period, the annual rate per ESU for the quality component is calculated by <br /> di iding the quality revenue requirements by the total number of ESUs. The monthly <br /> <br /> ~„J ra a is calculated by dividing the formula by 12. <br /> Revenue~~, <br /> onthlyRatea,,~„y; ESU~~ <br /> 12 <br /> O ce this constant is determined, the quality charge is calculated by multiplying the <br /> q lity rate by the number of ESUs belonging to a customer. <br /> ee~~; MonthlyRatea,,,~.ESU~~,K <br /> [C mment: In the future; water quality costs may be a function of a customer class, land <br /> us ,lot size, soil char~`cteristics, basin location, specific customer activities, pollutant <br /> to dings, and other characteristics that affect water quality impacts. This will not happen <br /> un it more information regarding water quality impacts is available and until EWEB's <br /> bil ing system is updated. As an alternative, due to the variability of customers' individual <br /> qu ity impacts, a discharge permit system may ultimately be used by Eugene. Currently, <br /> ce ain industrial developments are required to secure a stormwater quality discharge <br /> pe mit from the Department of Environmental Quality (DEQ).] <br /> I <br /> ~I Stormwater S rvice Charge: 1Vlethodology Paper -Page 7 <br /> Draft Revision -April 10, 1995 <br /> <br />