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<br />781000 <br /> <br />70 <br /> <br />4. Ground waters in llw SUIVllg(' Hrell northwest of Heuel Lake life of <br />poor quality nenf the surfnc(', impron' in qunlit,v with depth, ll.nd <br />mf'f't (~ompllct requirt'Incnts nl \'1ninble depths nbove the first con- <br />fining clay Iftyer. Pumping of t.he~e nneonfined grouIHI waters t.hrough <br />their full depth,. !It select.hoc locations if necessary. will yield walrT of <br />near compact quality. <br />5. Ground water in water sulnlg:r IU'(,Il~ 5 find 6, which life generallv <br />north of U.S. Highway 160, Cllst of the sump, south of Sun Luis Lake, <br />and west of the irrigated hay meadows, are of better-than-l'ompact. <br />quality. Pumping of these waters through their full depth would yield <br />watcr of excellent quality. This waul,} (.nnble mixing with water of <br />poorer qunlit)> thus obtaining u composite outflow which would meet <br />compnct reqUlrenH'nt..<.;. <br />6. Ground wnters in th(' sump nr('ll from BellI' Hetltl Lnke to 4 miles <br />north of U.S. Highway 160 are of such pOOl' qllnlity tiS to be nnsuitubl(' <br />for sukage at the present time. <br />7. ~[aintennnce of the water table in wuter slllnlge urellS, not le!'s <br />than 8 fpct below the ground surfa('(', would essentiully preclude <br />evapotrnnspiration of ground witter and provide optimum ground-water <br />salvage. <br />8. The su.h'llgeable surface flows, though of good quality, nre small <br />in volume and occur prineipnlly during Iwrimls of lllllple wntt'r supply. <br />They will be insufficient to si!;nificnntly improve the quality of pumpc(1 <br />ground waters. <br />9. The l>roposed plnn of water salvage would have adverse effects on <br />the wildli e cover and wu.tprfowl of tlw water salvage area. Also, th(' <br />potential ~[ishak TAlkes ~ lltionnl 'Vildlifc Hefug(~ site is considered <br />bv the Fish and 'Vildlif(. Servicc and till' CoIorndo Fish ll.nd Gnme <br />Department to have high priority for developnwnt under the ~ ationnl <br />~Iigrator'y BinI ~l11nn.g('ment progrnIl1. The Fish and 'Vildlife Sen;('(' <br />feels that no satisfactory alternativl' to this sit<, is ll.\'nilabl!', Ilull there- <br />fore devf'lopment of the site should tltke priority over wnh'r ~alvng'l' <br />measures which might be preduded by its deH'loprnent. <br /> <br />SELECTIO:>; Or' "'".\TBR SALVAGE AUE.-\8 <br /> <br />The hwlrologic unalysl's disc.ussf'd subsequently UlHIf'r Chtiptrr VI- <br />Closed Basin Hydrology, established that, on the basis of anrilnble <br />clntn, the fivc area..." olltlirwd on drawing 2,53-504-1824. totaling np- <br />proximat!'ly lOR,600 acres. otTf'f!'d optimulH opportunity for st\l\'llgl' of <br />Closed Bt~in wntf'rs without ndvf'rs(' pff!'('t on ndjoining- irrigntioll <br />develollIl1ents. <br />Sonlt' modificlltioll of the saln\g'f' nrl'll will no doubt pro,'l' d('sirable <br />no's obsen'atioll of the pffl'ds of pumping on lltljoining W!lter t.ablt.s <br />('stablishrs thl' saf(' limits of pumping. By installing additiollnl w('lIs <br />amI constructing channds to conn'y tilt' wnlf'r to thf' milin chatllll'l, <br />the initial snlvnge tUCll, {'QuId b(' expanded nt 1\ futurf' dutl'. <br /> <br />ESTDl:\TED "~ATER SALV.-\GE <br /> <br />As. dp,-('lopl'd sllbsC'qul'ntly under Chapter YI-Cloi'N! Basin Hy- <br />tlrolngy, the estimlHe'd In-erngt' :\Tlnunl \\'atl'f snlnlgl' of tIll' plan of <br />den'lopment, in,.olving a wHtt'r stdYa~e urell of uuout lOS,GOO acres, <br />is 10 1, 700 llcrt~-f('et total of ground und ~lIrfH(,f' watprs. The plan <br />