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C150296 Feasibility Study
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C150296 Feasibility Study
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Last modified
6/17/2015 12:05:01 PM
Creation date
10/27/2009 10:29:05 AM
Metadata
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Template:
Loan Projects
Contract/PO #
CT2015-058
C150296
Contractor Name
Gypsum, Town of
Contract Type
Loan
Water District
0
County
Eagle
Loan Projects - Doc Type
Feasibility Study
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Gypsum Loan Feasibility Outline <br />CWCB Water Project Loan Program <br />Page 14 of 33 <br />obtained from the USGS National Map Seamless Server. The amount of precipitation <br />falling within each drainage area thus delineated was then calculated using ESRI's <br />ArcMap Spatial Analyst Raster Calculator applied to 30-year (1971-2000) normal annual <br />precipitation grid data published in 2006 by the Oregon State University PRISM Group, a <br />USDA NRCS National Water and Climate Center partner. The drainage areas and <br />average annual precipitation data are depicted below. Once the drainage area annual <br />precipitation volumes were obtained it was possible to calculate the fraction of incident <br />precipitation discharged by each of the gaged watersheds on average during the 30-year <br />period using the precipitation volumes and USGS discharge data consistent with the <br />period, shows 46% for Beaver Creek and 69% for Cross Creek. These percentages and <br />other watershed information are tabulated below. <br />Drainage Precipitation <br />~. '~~.-- '~:. ~ <br />Bea~oer Creek at Awn <br />USGS Oage <br />_ ,~.; _ ~'. ~ <br />~ <br />~ Y"=! ~'~.. ~ <br />. ... 3da ~cSW~ ~ 'S". <br />; CrossC2ek Near Mirrtum ' <br />--- . ~ USGS Gege <br />t=:? <br />LEDE Reserwir ~ ~ ~ <br />EmbankmeM ~ ~ '; ~, ~ '~"'~ <br />~ _ ~~e; 4 r s .. <br />, <br />~~, s~ <br />..__ ~~ ~- ..:......._. '~ _fs."_' <br />r ~ °'~ <br />~ x <br />. . ..~""-r ,S ,y ' <br />, ::d" +'a' . <br />. , .. ...-. ~. .w~zw.. , \, ~" ..u . <br />~ r~, ~ LEDE Ddch ~ MI~BS <br />x~",i+.~~~.:. E Headgete ~ . . <br />~ ,~ 0 <br />,:° ,~ 0 1 2 4 <br />
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