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PROJ01918 (2)
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PROJ01918 (2)
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Last modified
4/13/2010 3:50:47 PM
Creation date
2/21/2008 3:59:30 PM
Metadata
Fields
Template:
Loan Projects
Contract/PO #
FS0077FX
Contract Type
Grant
Water District
0
Loan Projects - Doc Type
Feasibility Study
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<br />I <br />I <br />'I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />. Runoff from Cow Creek Ditch returns to the creek and could be used by downstream <br />water users. This return flow was assumed 20 percent of water diverted to Cow <br />Creek Ditch. <br /> <br />. Because Jessie, Duke and Enos Hotchkiss ditches are lower than Leroux Creek Ditch <br />(Fire Mountain Canal) and diversions to these ditches is being disregarded, return <br />flow from Leroux ditch is also disregarded. <br /> <br />Actual diversions from the remaining ditches were totaled. The return flow from Cow Creek <br />Ditch (assumed at 20 percent of Cow Creek Ditch diversions) was subtracted from the total to <br />estimate the net total diversion from Leroux Creek. The net diversion was compared to the total <br />inflows available in the system (Leroux flows plus Cow Creek flows). When monthly diversions <br />were found to be greater than available monthly flow, the monthly diversion was adjusted to be <br />equal to the total monthly flow. <br /> <br />Figure 4 shows the total annual runoff and adjusted annual diversions for Leroux Creek. The <br />adjusted total net monthly diversions were subtracted from the total monthly flows for the period <br />1970 to 2001. Annual unused water volumes were estimated and are shown in Figure 5. <br /> <br />The values in Figure 5 were found to correlate very well to actual flow data from gauge <br />09135900 at the bridge in Leroux Creek near the North Fork of the Gunnison River for the years <br />of available records (1976 to 1996). This correlation is shown in Figure 6 and provides <br />verification to the methods used in this study. <br /> <br />~'~ <br />' -, ,.- "', " <br />: t, .' <br />~- -.' , <br />!' ~ -"- ' - ; , <br />'HUU", ' '_ 'U,'U, <br /> <br />-15- <br />
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