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WSP00735
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Last modified
1/26/2010 12:27:34 PM
Creation date
10/11/2006 9:56:06 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.117.J
Description
Grand Mesa
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
12/1/1971
Author
Environmental Protec
Title
Water Quality Evaluation of the Grand Mesa Project-Colorado
Water Supply Pro - Doc Type
Report/Study
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<br />-4- <br /> <br />Present nooul a ti on in the Pro iect areai s es tiMated to be about <br />3,500. The proiect area is orowinn faster than the surroundinn area <br />and a moderate annual ormlth rate of l.l;~ (1) is forecast throunh <br />2010. The nast, nresent, and future area population is tabulated be- <br />10\'1. <br /> <br /> Pro.iect Area Population <br /> Annua 1 <br />COMMuni ty GroHtl1 <br />or Area 1960 1970 1985 2010 Rate <br />Cedaredne 549 5.81 750 940 1 . 1 ~t <br />Orch a rd City 1,021 1,163 1 ,350 1,670 l.l;~ <br />Delta 3,832 3,694 4,730 5,500 o.n <br />Delta County 15,602 15,286 . 15 ,100 .0% <br />Proiect Area 3,500 4,400 5,450 1-. 1;~ <br /> <br />WATER SUPP'" Y <br /> <br />linter sL/nnly in the Proiect area is related to several streans. <br />:Jc~st r'uddy and Co\'! Creeks, \'Iith anaveralle annual .f'JO\'l of 12,800 anu <br />~,700 acre-feet l'esnectivel~,(l), will supply surplus flO\ls to Electric <br />r10untain f!eservoir. F10\'ls \'Iill be released frOM the reservoir to the <br />Grand rlesa Canal, \'Ihich \ti11 convey these flo~ls a10nn with direct <br />fl ows of i nterveni nil streaMs to i rri /Jab 1 eland and to Cactus Park <br />Reservoir. The interveninn streaMS; Hubbard, Terror, and Leroux Creeks <br />and Roatcan r,ulch, ~lill slfTlrly an avera<1e annual flot! of 32,300 ilcre- <br />~eet. vOL/nlls Creek near Grand r1esa and Sur~ace Creek at Cedaredoe have <br />iln averane annual flo\'l of 4,970 and 19,620 acre-feet respectively.(2) <br />Surrlus flm'ls of Youn'ns and Sur4'ace Creeks ~lill also be conveyed to <br />Cactus Park Peservoir. These two reservoirs ~till provideiln aVeri'l<'e <br />annual supply of 57,100 acre-feet to the Pro.iect. <br /> <br />The ~iorth Fork of the Gunnison River, \'Ihich joins the Gunnison <br />River near Lazear, Colorado, and tile Gunnison River lie iust soutn of <br />the Pro.iect area. The averane annual flow (1962-1967 neri od of record) <br />of the Gunnison River near Lazear is 878,900 acre-feet which is rerre- <br />sentative of the flol'l past the Pro.iect area(2). The averane anllual <br />floH (1951-1966 neriod of record) of the Gunnison River at its con- <br />fluence \.lith the Colorado River at Grand ,Junction, Colorado, is <br />1,556,305 acre-feet(2). The present modified1! averalle annUill flovl <br /> <br />1/ The present Plodi fi ed condi ti on i ncl udes ad5us tments of the hi s tori c <br />condi ti on bas ed on the ass uMrti on that nevI deve 1 opments ber1U11 duri IIq <br />the 1941-1968 neriod vlere in operation for the 4'ull neriod. <br />
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