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Metropolitan Water Supply Investigation MWSI Results <br /> 3.1.2.3. Arkansas River Basin <br /> The waters of the Arkansas River Basin currently constitute a relatively small water <br /> supply source for the metro Denver area. The City of Aurora is the only metro Denver <br /> area provider that diverts native water supplies from the Arkansas basin. Aurora diverts <br /> Arkansas water via its Otero pump station, which it also uses to divert water imported <br /> into the Arkansas from the Colorado River basin. Until recently, Aurora's diversions of <br /> Arkansas supplies have been less than 1,000 acre-feet per year to date, consisting of its <br /> water rights from two small ranches in the upper Arkansas basin. In the past five years <br /> Aurora has begun using up to 8,000 acre-feet of its recently transferred water rights from <br /> the Colorado Canal and the Rocky Ford Ditch. Aurora's ultimate diversions under these _ <br /> projects are expected to be approximately 14,000 acre-feet per year. <br /> 3.1 .3. Metro Denver Area Water Supply Service Areas <br /> As defined in this report, the metro Denver area includes both the Central and South <br /> Service Area Regions as described above. Municipal water supply in the metro Denver <br /> area is provided by a combination of cities, counties and special purpose water districts. <br /> Figure 2 shows the service areas of the major water providers in the metro Denver area. <br /> Over 98% of municipal and industrial water use in metro Denver is represented by the 26 <br /> water providers shown in the figure. Denver Water is the largest water supplier, <br /> providing exclusive supply to the City and County of Denver and by contract to 76 other <br /> cities and water districts. Denver also provides partial water supply to 15 other providers. <br /> A list of Denver Water's contract obligations to other providers is shown in Table 1. <br /> 21 <br /> Prepared for the Colorado Water Conservation Board,Colorado Department of Natural Resources by <br /> Hydrosphere Resource Consultants,1002 Walnut Street,Suite 200,Boulder,CO 80302 <br />