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Creek. The decreed amounts that have been made absolute are summarized in the following <br />table. These water rights were all adjudicated on November 5, 1937 and granted an appropriation <br />date of July 4, 1921 (administration no. 30870.26117). <br /> Total Decreed Amount Amount Absolute <br />Source (cfs) (cfs) <br />McQuery Creek 70 48.6 <br />Jones Creek 25 21.5 <br />McQuery -Jones Creek 115 70.0 <br />Bobtail Creek 195 115.0 <br />Steelman Creek 150 90.0 <br />Middle Fork -Williams Fork 350 0 <br />Allen Creek 250 <br />South Fork -Williams Fork 200 <br />Middle Fork Feeder 50 <br />Denver has also adjudicated a number of conditional water rights for a future extension and <br />enlargement of the Williams Fork collection system, including rights on Darling Creek. These <br />rights carry a 1953 priority date. <br />The Gumlick Tunnel has a decreed capacity of 620 cfs under the 1921 priority date, of which <br />214 cfs has been made absolute. The maximum physical capacity is limited to approximately 500 <br />cfs. The Tunnel conveys the water into the headwaters of the West Fork of Clear Creek. Here, <br />the water can be delivered directly into the Clear Creek drainage; however, the flow is normally <br />re-diverted back to the West Slope through another tunnel, the Vasquez Tunnel, for ultimate <br />delivery to Gross Reservoir via the Moffat Tunnel. <br />According to Denver personnel, the primary operational objective for the Williams Fork <br />Collection System is to achieve a fill of Gross Reservoir. As such, the collection system has a <br />higher operational priority than storage in Williams Fork Reservoir. Once it is determined that <br />Gross Reservoir will fill, the general practice has been to cease diversions at the collection <br />system in favor of storage at Williams Fork Reservoir. <br />CRDSS Considerations -For the CRDSS, the entire Williams Fork Collection System is <br />modeled as a single node at the west portal of the Gumlick Tunnel (WDID 514603), with a <br />tributary drainage area based on the total area above Denver's collection facilities (13.9 square <br />miles). <br />2.2.2 Williams Fork Reservoir <br />Williams Fork Reservoir is located in the lower reaches of the Williams Fork River, about two <br />miles upstream of its confluence with the Upper Colorado River. According to information <br />obtained from Denver, the reservoir has a total storage capacity of 96,822 acre-feet, measured to <br />the top of the spillway gates. All of this storage is considered as active storage therefore there is <br />no dead storage. The reservoir has a storage decree for 93,637 acre-feet, adjudicated in <br />November 5, 1937 with a priority date of November 10, 1935. The reservoir is also an integral <br />part of a number of Denver's exchange operations, including (1) an exchange for direct flow <br />Upper Colorado River Basin Information 2-13 <br />