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Table 1: Estimated volume of water in storage in the Denver Basin aquifers <br />AQUIFER <br />SPECIFIC YIELD <br />VOLUME IN STORAGE <br />(percent) <br />(millions of acre-feet) <br />Upper Dawson <br />20 <br />22 <br />Lower Dawson <br />20 <br />10 <br />Denver <br />17 <br />71 <br />Upper Arapahoe <br />17 <br />12 <br />Lower Arapahoe <br />17 <br />78 <br />Laramie -Fox Hills <br />15 <br />102 <br />TOTAL 295 million acre-feet <br />Note: Based on analysis of drill core from a location near Kiowa, the stated specific yield <br />values may be as much as 25 to 30 percent above an "average" specific yield value for the <br />Denver Basin aquifers. Therefore, the actual volume of water contained in the aquifers may <br />be less than the volumes estimated. <br />