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<br />Table C-4 Centennial Annual Water Supply Allocation <br />(average water year conditions) <br /> <br /> Year Surface Water Groundwater Total Water <br /> Deliveries pumping Supplies <br /> (Ac-ft/yr) J (Ac-ftJyr) (Ac-ft/yr) <br /> 2001 14.5 '"> 17,500 <br /> -> <br /> 2002 16 3.5 19,500 <br />I 2003 17 4.5 21,500 <br /> 2004 18 5.5 23,500 <br /> 2005 18 6.5 24,500 <br /> 2010 19 6.5 25,500 <br /> 2015 19 6.5 25,500 <br /> 2020 19 6.5 25,500 <br /> 2030 19 6.5 25,500 <br /> .2040 19 6.5 25,500 <br /> 2050 19 6.5 25,500 <br />- . . <br /> <br />- Under dry year condItIOns, surface water delIvenes are estImated to be 10,000 acre-feet per <br />year with additional groundwater pumping required to meet municipal demands. <br /> <br />Current Water Rights and Water Sources <br /> <br />Centennial maintains a portfolio of water rights that include 17,886 acre-feet per year from <br />groundwater sources and 13,700 acre-feet per year from surface water sources under average <br />yield conditions. <br /> <br />Table c-5 - Centennial Ground Water Rights <br /> <br />Classification Aquifer Source Annual Appropriation <br /> (ac-ft/yr) <br />Tributary South Platte Alluvium 13,700* <br />Nontributary Dawson 390 <br /> Denver 6987 <br /> Arapahoe 5500 <br /> Laramie-Fox Hills 5009 <br />Total Groundwater Supply 17,886 <br /> <br />* Average year yield <br /> <br />Centennial owns a series of surface water rights as shown in Table C-6. Points of diversion <br />include the Ensor Wellfield, Dad Clark Gulch, Highline Canal and diversion facilities on City <br />Ditch, Last Chance No.2 and Nevada Ditches below Chatfield Reservoir. <br />