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City of Rifle Water Conservation Plan <br />Final Report -July 2008 <br />These values are not atypical for non-conserving water systems in the aril West. The <br />implication for Rifle is that reducing outdoor water use can reduce required infrastructure <br />capacities and should be a critical water conservation goal that can have tangible <br />economic benefits for the City and its ratepayers. <br />4.50 <br />4.00 <br />3.50 <br />0 3.00 <br />t~ <br />~ 2.50 <br />ea <br />E <br />0 2.00 <br />m <br />3 1.50 <br />1.00 <br />0.50 <br />0.00 <br />City of Rifle 2007 Average Monthly Water Demands <br />Figure 2-2: 2007 Monthly Potable Water Demands <br />2.3 Metered Potable Water Use Analysis <br />Use by Customer Class <br />The City of Rifle classifies all of its potable system users into several primary categories <br />and numerous sub-categories for residential and government connections. Due to a <br />conversion of water accounting systems in 2007, accurate data on water use by customer <br />class were not available to include in this plan. Furthermore, metered use data by <br />customer class prior to 2006 are of questionable quality. Therefore, only 2006 metered <br />use data by customer class are presented. For each customer class, Table 2-1 shows the <br />number of accounts and units, annual metered water volume, average use per unit, and <br />percent of total use for this group of standard service connection types. The data show <br />that most of the use was residential and commercial at 69% and 20%, respectively, with <br />the highest single sub-category of use being single-family residential at 48%. Also, in the <br />residential category, single family residences and mobile homes registered significantly <br />higher average water use rates per housing unit than did duplexes and multi-family <br />dwellings. For the single family residences, this is likely due to the greater amount of <br />irrigable space per unit. <br />SGM # 99055A-388 15 Historic Water Use and Forecast Demand <br />~~~ ~a~ a~Gr Q~~ ~a~ ~~o ~~~~ ~~y~ roc o~o~ ~o~ ~~~ <br />)~~ o~~ ~ P ~ PJ ~o~ OG~ Job God <br />~C ~o~ ~o ~o <br />