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EHLERS <br /> & ASSOCIATES INC <br /> OTo: Honorable Mayor and Council members <br /> From: Elizabeth Diaz and Shelly Eldridge <br /> WSubject: Water and Sewer Rate Study <br /> sm Date: November 1, 2007 <br /> The City has requested that Ehlers & Associates complete the water and sewer rate study <br /> as part of planning for the City's water treatment system and capital improvement plan. <br /> Ehlers and Associates have worked with staff over the past few months to compile and <br /> complete this study. This study incorporates City staff's and City engineer's estimates of <br /> future capital improvements for the water utility system through 2023 and estimates <br /> about the pace of development. <br /> We met with the City Council in a workshop on October 16"' to summarize the <br /> assumptions and initial findings and have revised the worksheets and this memo for <br /> Council direction. <br /> Assumptions and User Fees <br /> Following is a chart that summarizes the significant assumptions in the study. <br /> Water Utility Sanitary Sewer Utility <br /> Growth The pace of residential development Same growth assumptions as water <br /> between 2008 and 2013 has been fund. <br /> estimated at 45 units to reflect an <br /> existing development plan and a <br /> slower housing sales market and 3 <br /> new homes every year thereafter. <br /> Commercial— 1 new customer <br /> beginning in 2008 and 1 <br /> commercial every other year <br /> thereafter <br /> Water Utility Sanitary Sewer Utility <br /> Sewer N/A A waste water treatment plant <br /> Treatment expansion has been programmed into <br />