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<br />SUMMARY SHSST <br />Mesa-Delta,M&I Ground-W~ter Study <br /> <br />November 1983 <br />Page 1 of 3 <br /> <br /> <br />o <br />(:7.l <br />~:) <br />CJt <br />....1 <br />o <br /> <br />LOC^TlON <br /> <br />The Mesa-Delta M&I Ground-Water Study ,area lies <br />i.n the 'Upper' Color,ado Rivet Basin in west- <br />e,entral Colorado and genera.liy CODsists of Mesa <br />and Delta Counties. It includes the Grand Mes., <br />a high basalt ,capped platesu in the eastel"n part <br />of the area, and surrounding valleys formed by <br />tbe Colorado and Gunnison Rivers and their <br />tributaries. <br /> <br />PURPOSE <br /> <br />The study wovld be conducted to identify <br />alternatives to develop g%ound-water reserves <br />believed to be available on Grand Mesa; for <br />increased mun~cipal and industrial 'use in the <br />valleys. <br /> <br />The: specific objectives of the Study would be CO .. <br />identify the needs and opportunities in the area <br />and to evaluate the capacity of local .resources <br />to tQe$t ,those 'condition4t. Alternative plan6 <br />would be developed a,nd 'evall,lated ,to satisfy .the <br />needs and to maintaia. and prate,ct existing <br />values and development. <br /> <br />"'G< <br />~~ <br />'(s>o <br />'1-1 <br />I <br />I <br />I <br />, <br />I <br /> <br />I <br />I <br />I <br />, <br />I <br /> <br />Annual municipal, industrial, and rural domestic <br />water shortages by the year 2020 are prQject~d at <br />10,000 to 30,OGO .c're-feet for -the Grand Vdley, <br />5,000 to 15,000 acre-feet for the south slope of <br />Grand Mesa and in ,the North Fo~k Valley, and 2,000 <br />to ',000 acr8"'feet for the Plat'eau Valley on the <br />notth slope of th~ mesa. <br /> <br />The geologic and hydrologic conditions' on Gr4ad <br />Mesa indicate the pos'sibility of developing a <br />ground-water -reservo.ir to supplement local sup- <br />plies. This would provide high quali~y water with <br />little pretreatment required and a constant supply <br />during periods of drought with less development <br />cost, - land' requirement., and environmental impacts <br />than would be associated with a surface reservoir. <br /> <br />An opport,unity may also exist to gii!'n~rate dec.... <br />trieity as_ the water is delivered. from tb'e 10,00.0- <br />foot elevation of the mQuntain top to the less than <br />5,OOO-foot elevation of the valley floor. It is <br />conceivable _ t~a.t: tl1~ pumping cos_ts to rew.ove the <br />water from the ground could be more than offset by <br />the power produced. <br /> <br />~L1NA <br /> <br />< <br />,. --- <br />.J <br />I <br />9.0'---- <br />feO. <br />, <br />,-1 <br />~"'" <br />~~,.~~ <br />+~~'V <br />~ <br />...J <br />, <br /> <br />fORK <br />