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ATTACHMENT C M E M 0 R A N D U M CH2MHILL MWMC Wastewater Facilities Plan and System Development Charge Update - Response to April 2, 2004, QueStions from Eugene Chamber of Commerce PREPARED FOR: Eugene Chamber of Commerce Government Affairs Committee COPIES: Gary Colwell/City of Springfield Peter Ruffler/City of Eugene PREPARED BY: Matt Noesen/CH2M HILL Debbie Galardi/Galardi Consulting REWEWED aY: Heather Young/Thorp Purdy Jewett Urness & Wilkinson DATE: April 20, 2004 Introduction This memorandum provides responses to questions submitted on April 2, 2004, by attendees of the Eugene Chamber of Commerce Government Affairs Committee breakfast meeting. The original questions/comments are shown in boldface. Response to Questions 1. Why isn't there a formula within the SDC methodology to, calculate the SDC rate? There is. The methodology provides a clearly defined framework for determining unit costs of existing available capacity and needed future capacity by capacity parameter - average flow, peak flow, biochemical oxygen demand (BOD), and total suspended solids (TSS). These unit costs are then applied to published data based on usage of different development types to determine their impact; and the SDC that results for each development type. The SDC calculations for the proposed project list, along with the methodology, will be made available by the Cities 60 days prior to the public hearing. 2. Why does the average flow from businesses and residences increase in the Facility Plan 20-year projections, when historical data indicates a decrease? The average flow from businesses and residences is not declining. Over the last 10 years, the average increase in base flow has been about 1.5 % per year (based on actual billed base flow). The Facility Plan 20-year projection is that this trend will continue. Three main factors cause the historical data (from 1990 - 2002) to give the appearance that average flows declined over the 1999-2002 period. The first is that the economic downturn in the area CHAMBER OF COMMERCE RESPONSES FINALDOC PAGE 1 OF 8