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<br />3.3.1 Roaring Fork River Watershed <br />The Roaring Fork River Watershed is subject to a water right call originating from the Cameo Demand. In <br />dry years, the call may occur in the spring and could also extend from late June through October. <br />Currently, the Roaring Fork River Watershed is not subject to a winter call originating from the Colorado <br />River, however, the potential instream flow claims outlined above, or conditional oil shale rights. could alter <br />this situation. <br /> <br />Local instream flow and irrigation rights can also place a call on the Roaring Fork River above Snowmass <br />Creek and on several key tributaties. The Roaring Fork River oownstream of Snowmass Creek does not <br />appear to be subject to any calls other than those originating from the lower Colorado River. <br /> <br />Releases from Ruedi Reservoir, Green Mountain Reservoir or Wolford Mountain Reservoir can be used to <br />augment depletions of Roaring Fork water users to the Cameo Demand. However, these releases cannot <br />replace depletions to any calling in-basin instream flow or irrigation rights located on tributaries. or on the <br />upper Roaring Fork River. Supplemental in-basin augmentation sources may be required for junior water <br />users in the upper basin or along key tributaries such as the Crystal River. In-basin augmentation <br />supplies are typically required less frequently than are augmentation supplies for the Cameo Demand. <br /> <br />3.3.2 Colorado River Watershed below the Roaring Fork <br />As with the Roaring Fork River basin, this geographic area is subject to late irrigation season calls from <br />the Cameo Demand. However, potential instream flow claims or oil shale rights may result in future year- <br />round calls for junior water users. <br /> <br />Locai calls affect certain key tributaries such as Rifle Creek. These local calls primarily occur during the <br />irrigation season. Much of this geographic area is not currently affected by non-irrigation season calls. <br /> <br />Releases from Ruedi Reservoir, Green Mountain Reservoir or Wolford Mountain Reservoir can be used <br />as a sole source of augmentation water for many of the municipal and industrial water users in this area. <br />However, these releases cannot replace depletions to any calling irrigation rights that may occur on <br />tributaries such as Rifle Creek, and supplemental augmentation supplies are required for certain areas. <br /> <br />3.3.3 Eagle River Watershed <br />Junior users in the Eagle River watershed can be placed on call on almost a year-round basis by water <br />rights located downstream on the Colorado River. The Cameo Demand can place a call on junior users <br />during the irrigation season. The Shoshone Demand can place a call practically year-round during <br />critically dry years. <br /> <br />Local instream flow and irrigation rights can also place a call on the Eagle River or its tributaries. These <br />in-basin calls typically occur less frequently than the main stem calls. Upstream of Wolcott, the stream <br />flow of the Eagle River can be less than existing in stream flow rights during both late summer and early <br />winter of dry years. Downstream of Wolcott, it appears that instream flow rights are not satisfied during <br />the late summer months only. An in stream flow call is not anticipated during the winter below Wolcott. <br /> <br />8 <br />