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<br />Eagle River Water & Sanitation District CWCB Water Conservation Grant Application <br />Page. 5 of 17 <br /> <br />Table 2 shows total annual water use, inclllding unbilled and UA W, for the years 2000 <br />thrOllgh 2006, as well as estimated service area populations and per capita water use. <br />Water 11Se\VaS determined 'using metered prod'uction data, billing data, as well as <br />estimates ofunbilled approved uses and UAW'~ The populations listed in Table 2 are <br />rough e-stimates~Due to the large percentage of part time residents it is extremely <br />difficult to quantify th,e District's service population. Data presented here were <br />calculated based upon historical single family equivalents1 (SFEs) and an estimate of2.3 <br />people per residential and mixed account SFEs. Given the preliminary nature of the <br />population estimates presented in this document, the per capita water use values below <br />may not be a particularly meaningful metric for purposes of evaluating water 'use <br />efficiency in the District's service area. An important component of the District's Water <br />Conservation Plan development will be to evaluate existing data SOllfces in order to <br />develop a method to effectively estimate full and part-time service area populations. <br />Better population estimates will allow the District to more effectively evaluate the <br />tlsefulness of specific conservation measures and programs. In addition, it is important to <br />note that due to the high percentage of temporary residents who inhabit multi-unit <br />dwellings, landscaped areas per person are lower than would be found in a more <br />traditional service area, resulting in smaller baseline gallons per capita per day (gpcd) <br />values. <br /> <br />Table 2: Preliminary Estimates of Eagle River Water & Sanitation District <br />Historical Service Population and Water Use <br /> <br /> - <br />YEAR Total Average Annual Gallons Per <br /> (1,000,000 Popul,ation (Full Capita Per <br /> gallons) Time and Day (gpcd) <br /> Temporary) <br />2000 874 11599 206 <br />2001 1015 11883 234 <br />2002 784 12264 175 <br />2003 910 12803 195 <br />2004 886 13248 183 <br />2005 940 13896 185 <br />2006 1044 14840 193 <br /> <br />(b) Past, current and predicted population served by the District and source of <br />information: <br /> <br />Throughout the 1990s,population growth rates that averaged approximately 6% made <br />Eagle County, where the District is located, one of the fastest growing counties in the <br />nation. The population gro\Vth rate for Eagle County is expected to remain considerably <br /> <br />1 "Single Family EquivalentU (SFE) is a generic Residential Unit, the use of which isestim.ated to have an <br />impact upon the water and/or sewer systems equal to that of the average single family (2.3 persons)~ One <br />SFE is up to 3,000 square feet. <br />