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<br />~OOUT77- <br /> <br />65 <br /> <br />of transmissibilitv of the pervious nquifer was btlSCd upon values <br />obtained by the U.S. Geological Survey from several pump tests rondo <br />in the nren. The hnlruulic gnlllient Wll.-'\ ohtnined from records of <br />ground-wnter wells III the area. On the bll.<;is of the uhove, the yiel~l <br />of the shallow dmin, including intercepted surface wnters, \Va..;; cstI- <br />mut('d to b(~ ahout 11,000 llcre-feet nnnlll\lly llnd that of the deep <br />drnin about 14,000 ucre-fl'et nnnullUy. The estimated costs per ncre- <br />foot of waler recovered for the slmllow and deep drnins are tabuln,led <br />below: <br /> <br />Drain <br /> <br />Estimated <br />annualyietd <br />inacre-leet <br />~ryearl <br /> <br />ClInstrUl;tion <br /> <br />Estimatedtostl <br />Annual cost <br />Per acre-loot <br />Total yield <br /> <br />Shallow..~_... .__ u..._.....__...... <br />Oeep___.________.....___........ ___u.... <br /> <br />11,000 <br />H.DOO <br /> <br />$2.600,000 <br />4,300,000 <br /> <br />$140,000 <br />210,000 <br /> <br />113 <br />I' <br /> <br />'Basedon Ocl 1, 1952, prices. <br />IlndlJding Intercepted suf1atewaters. <br /> <br />In light of the estimutNI high ('ost per 11('1"('-foot of wllter snlvfij:;cd, <br />it was eoncluued that further rOllsiderntion of nil illtA.~rcept.or drain Wl1.S <br />Hot \varranteu. <br /> <br />RECO~:"JAISSAXCE HEPOHT OX CLO~EU B^SI~, BUlU:AU 01<' H.ECLA~lA- <br />TION, A va liST 1956 <br /> <br />DlIrinj:; 1956. n rf'view of the ground-wnter conditions in the slimp <br />llreu lllld the findings of the G(.ologiclll Survey summarized above <br />f(.sulted ill the ('onclllsion thut there was a possibility thut large <br />quuntHi('s of wull'r of nl'(~eptllble quulity, tn"uilnble in portions of the <br />uHf.onfilled uqUif(.fS and now being nonbcIl('ficiully consumed by Iwnpo- <br />transpirution. might bt~ :"lIseeptible to ~alvage through u plun of <br />selective pumping. A reconnnis~nnce in\'csti~atlon of the potentialities <br />wus lIndl'rtnken, and the findings thereof summarized in u report <br />dah'd August }966, <br />Tht, report found 11 plnn to ~nln1gc 65,000 nere-fect of Closed Basin <br />wutt'rs tlnd <It'liver tlH'rn through n channel to the Bio Grnnde to merit. <br />f('IlSibility investigation. <br />The f('port wus furnished to the Colorado '''uter Conservation <br />Bonrd, mNn~H'rs of the Closed Bnsin Druin Committee, the Sun Luis <br />V 1111ev \V nler COIlSer\'llBC'v Di:striet, nud otlH'r loclll and Stnte interests, <br />Tlie wnter snlvllgc plll~1I WtlS fuvornbly rN'eiveu, Hull n fellsibilitv <br />invt'stign tiOTI to firm 1111 the rl'{'ollIlnissullce findin!?S WIlS uudertllkeil <br />in .Jllly 1957. Under the t{'rms of nil ngreenH'nt betWPl'Il the State of <br />Colorndo llnd tilt' Burellll of Reclnllllltioll, the StI1t,{. contributed <br />$25,000 towllrd the ('ost. of the fl'l\sihility inve:stigntioll. In llddit.ioll, <br />tll(' Snn Luis Yall('y 'Vllter Conservnncy District t'olltributed $5,000 <br />towanl the cost of this and other n>lntt.u wnt('r sn!vagt' illvest.igntions <br />in CoIorll.do. <br />