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Iln0350 location are summarized below. All of these water rights were adjudicated on November 5,1937 and have an appropriation date of July 4, 1921 (Administration Number 30870.26117). Source Total Decree Amount lefs) Amount Absolute lefs) West St. louis Creek St. Louis Creek Vasquez Creek little Vasquez Creek Fraser River Jim Creek Buck Creek " -- Cooper Creek South Ranch Creek Middle Ranch Creek Ranch Creek North Ranch Creek 112 700 275 75 275 75 75 - 10 280 180 112 112 42 214 70 o 275 75 o o 50 114 63 79 ...f The Fraser Diversion System is operated as the primary source to the Moffat Tunnel and to Gross Reservoir. Historically, except for dry runoff years, there has been more water physically and legally available to the Fraser River collection system than has been diverted through the tunnel because of the storage capacity in Gross Reservoir and the magnitude of the demand at Denver's Northside (Moffat) Water Treatment Plant. Denver anticipates that future operations of Gross Reservoir will include a larger reserve of carry-over storage to accommodate dry year demands and as such, the Fraser River system could be exercised to a greater degree. For the CROSS, the Fraser River Diversion Project is subdivided into four sub-basins: (1) The St. Louis Creek sub-basin (WOlD 511309), (including West St. louis, St. louis, East St. louis, Fool, King, East King, West Elk and Elk creek drainages); (2) The Vasquez/Uttle Vasquez sub-basin (WOlD 511310); (3) The Fraser River/Jim Creek sub-basin (WOlD 510639); and (4) The Denver Ranch Creek Project (WOlD 511269). Denver maintains a number of flow measurement stations on the Fraser River system and records of the historic diversions for each of the sub-basins were obtained from Denver for the CROSS study period, 1974 through 1991. For future reference, the historic diversions from the St. Louis sub-basin are estimated as the measured flow at "Vasquez Gage No.2" minus the flow at "Vasquez Gage No.3". The historic diversions from the Vasquez/Uttle Vasquez sub-basin are estimated as the measured flow at "Vasquez Gage No. 1 minus the inflow from the St. louis sub-basin minus the imported water from the Williams Fork River basin, via the Gumlick and Vasquez tunnels. The diversions from Jim Creek and the Fraser River are measured directly. The diversions from the Denver Ranch Creek system are estimated as the measured flow at the "Ranch Canal Gage" minus the deliveries from the Englewood Ranch Creek Project (See following discussion). Pursuant to agreements with the U.S. Forest Service, Denver has agreed to maintain a minimum flow below its primary diversion structures in the Fraser Collection System. These minimum bypass flows are as follows: 0-4