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. Hill's position. For example, the State of Colorado recently published its official water rights abandonment list for the Colorado River. The list contains a cumulative total of 125,000 cfs and 119,000 ac-ft of now defunct rights that were formerly on the official water rights tabulation. Most of these water rights were senior to the Webster Hill storage right. The Webster Hi 11 project involves the following water rights on the Colorado River: Name Amount Adjudication Date Appropriation Date . Webster Hill Reservoir Webster Hi 11 Reservoir Penstock 32,830 ac-ft 12/31171 07/02170 3,500 cfs 12/31176 07/02170 :. 2. Development of the Scenarios It is in derivin9 the future water resource development scenarios that the WWE Report is at vari ance with the approach used in the Una Reservoir Project study. For the Una study, the water rights senior in priority to the Una storage right were arranged according to their magnitude above selected cutoff values (flow rights above 50 cfs and storage rights above 5,000 ac-ft). The depletions from each of these rights were then projected as to their assumed 1 ikel ihood of occurring and were incorporated into their respective development scenario. In contrast, the WWE study projected depletions of future water development as a straight percentage of past development. Other assumptions made by WWE are: 1) existing conditions reflect the absolute water rights that are active, and 2) determining projected future water use is more critical than predicting the perfection of conditional water rights. However, only the conditional water rights senior to Webster Hill's would change 3686-a/6 II-6