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<br />~ <br /> <br />i <br /> <br />I <br />r <br /> <br />- 1 <br />I <br /> <br />I <br />) <br />\ <br />I <br />I <br /> <br />Water and Storage Needs Assessment <br />SECWCD/Assessment Enterprise <br />December 10,1998 <br /> <br />The storage need identified above is for the high growth forecast, and could be less <br />under the base forecast. <br /> <br />Additional storage capacity could benefit non-District entities who have water <br />interests in the Arkansas Basin, as well as District entities who ,desire more storage <br />to enhance water management and provide drought protection. Additional East <br />Slope storage also may enable additional Fry-Ark Project imports to be made. <br />Currently, Fry-Ark imports can be curtailed due to unavailable East Slope storage <br />capacity. These "foregone" diversions from the West Slope have totaled / <br />approximately 200,000 af since the project began operation. ;/' <br /> <br />8. <br /> <br />The 31 storage/water management options were subjected to a qualitative <br />evaluation in order to develop a list of 14 options for more-detailed review. These <br />14 options then were evaluated using a decision analysis framework to identify 8 <br />options that appear to have better overall performance in terms of cost, operational <br />effectiveness, and environmental/social factors. The evaluation process is <br />preliminary in nature and is not intended to be fully compliant with NEPA <br />guidelines. However, the basic structure of the process is designed to be expanded <br />and refined in subsequent more detailed levels of study and evaluation of <br />alternatives. The eight alternatives are summarized in the following table in the <br />order of their priority ranking in the alternatives analysis: <br /> <br /> <br />p-roject Reoperatinn 90,000(2' <br />Turquoise lake Enlargement 9,000 <br />Clear Creek Reservoir (New) 100,000 <br />Tennessee Creek Reservoir 28,000 <br />Pueblo Reservoir Enlargement 75,000 <br />Williams Creek Reservoir 16,000 <br />Gravel lakes Storage 13,000 <br /> <br />(I) Estimated maximum volume of storage based on initial configurations. <br />(2) Estimated potential volume available without consideration afEast Slope decrees. <br />Volume may not be available in all years. <br /> <br />97411\FinaU\TEXT-A.WPD <br /> <br />rll!I GEl Consultants, Inc. <br /> <br />-v- <br />