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<br />Potential Projects <br /> <br />This section provides a brief description of ongoing programs that could be extended in <br />time or expanded in space, and identifies watersheds for potential new programs. It then <br />provides a general list of next steps for further analysis. <br /> <br />The amount of water that could potentially be made available by precipitation <br />augmentation in the Colomdo River Basin has been estimated in three studies: <br /> <br />Bureau of Reclamation <br />Stanford Research Institute <br />North American Weather Consultants <br />Twelve Basin Study <br /> <br />1967-68 Stud <br />1971-72 Stud <br />1972-73 Study <br /> <br />1,870,000 acre-feet <br />2,300,000 acre-feet <br />1,315,000 acre-feet <br /> <br />It should be noted that the studies above are old, and the Stanford results should be <br />multiplied by 0.5 as it assumed a 20% increase in snowpack. Even with these caveats, <br />the range of between 1.1 and 1.8 million acre-feet is a consistent estimate of the amount <br />of water the cloud seeding could develop in the Colorado River Basin (DOl, 1980). <br /> <br />Expand Ongoing Operations <br /> <br />One way to increase runoff would be to expand current operations. Table I provides a <br />list of ongoing projects in Colorado whose opemtion time could be expanded. The <br />estimates for cost and potential yield are preliminary and subject to change. <br /> <br />Table 1-0 rations that Could PotentialI be Extended <br />Location Extension of Estimated Potential <br /> o erations Cost Runoff a <br /> 2.5 months $11,000 16,000 <br /> 2 months $13,000 4,000 <br /> 2 months $41,000 38,000 <br /> 2 months $30,000 8,000 <br /> 3 months $74,000 30,000 <br /> 5 months $105,000 50,000 <br /> 2 months $86,000 20,000 <br /> 3 months $289,000 60,000 <br /> 5 months $423,000 100,000 <br /> Low $544,000 176,000 <br />Hi $709,000 236,000 <br /> <br /> <br />Adding factors for adminstration, contingencies, and maintenance, the cost for the <br />extension of the projects in Table 1 average $10 per acre-foot of water. These costs <br /> <br />-26- <br />