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ISFAPPC04125
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ISFAPPC04125
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Last modified
3/31/2017 2:46:11 PM
Creation date
10/5/2006 11:14:12 PM
Metadata
Fields
Template:
Instream Flow Appropriations
Case Number
05CW0153
Stream Name
Middle Fork Escalante Creek
Watershed
Lower Gunnison
Water Division
4
Instream Flow App - Doc Type
Supplemental Data
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<br />Summary <br />The information contained in this report and the associated instream flow file folder forms the <br />basis for staffs instream flow recommendation to be considered by the Board, It is staffs <br />opinion that the information contained in this report is sufficient to support the findings required <br />in Rule 5.40i. <br /> <br />Colorado's Instream Flow Program was created in 1973 when the Colorado State Legislature <br />recognized "the need to correlate the activities of mankind with some reasonable preservation of <br />the natural environment" (see 37-92-102 (3) C.R.S.). The statute vests the CWCB with the <br />exclusive authority to appropriate and acquire instream flow and natural lake level water rights. <br />In order to encourage other entities to participate in Colorado's Instream Flow Program, the <br />statute directs the CWCB to request instream flow recommendations from other state and federal <br />agencies. The United States Forest Service recommended this segment of Middle Fork Escalante <br />Creek to the CWCB for inclusion into the Instream Flow Program. Middle Fork Escalante Creek <br />is being considered for inclusion into the Instream Flow Proh'l'am because it has a natural <br />environment that can be preserved to a reasonable degree with an instream flow water right. <br /> <br />Middle Fork Esclante Creek is I\.4 miles long, It begins on the northeastern flank of <br />Uncompahgre Plateau at an elevation of approximately 8,900 feet and flows in a northeasterly <br />direction. It terminates at the confluence with East Fork Escalante Creek at an elevation of <br />approximately 6,440 feet. Approximately 90% ofthe 11.4-mile st:gment addressed by this report <br />is located on federal lands (10.3 miles is owned by USFS in this reach). Middle Fork Escalante <br />Creek is located within Mesa County. The total drainage area of the creek is approximately 33.7 <br />square miles. <br /> <br />The subject of this report is a segment of Middle Fork Escalante Creek beginning at headwaters <br />and extending downstream to the confluence with the East Fork Escalante Creek. The proposed <br />segment is located southwest of the City of Delta. The staff has received only one <br />recommendation for this segment, from the USFS. The recommendation for this segment is <br />discussed below. <br /> <br />Instream Flow Recommendation(s) <br /> <br />USFS recommended 3.1 cfs, summer, and 1,25 cfs, winter based on its June 2004 data collection <br />efforts (see Appendix A). Only the summer flow recommendation was within the accuracy <br />range of the predicted flows based on Manning's Equation (240% and 40% ofQ). CWCB staff <br />relied on the recommending agency, the USFS, for the winter flow recommendation based on <br />their expertise and biological judgment. <br /> <br />land Status Review <br /> <br /> Total Length Land Ownership <br />Upper Terminus Lower Terminus (miles) % Private % Public <br /> Confluence with <br />Headwaters East Fork 11.4 5% 95% <br /> Escalante Creek <br /> <br />., <br /> <br />- 2 - <br />
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