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<br />w <br />I\; <br />.... <br />w <br /> <br />T:l.... C.)1">:",l.10 Rive. !,.J,ltel" Qu..lity Irapr.)v(~m~nt l'rol;r:lm, .1lm,'d .1t ilT.~ro'Jint; <br />~~:... .:u.lllly J:- .......tc:: in the Culor;JJ.;J i<i.vcr, lllCluc.kd tih: Dot~cro-Glcn'...ood <br />Spt" inG:> .C'.:1ch .1:> .:1 poio:: ~,)I.)."':C r>~-o:) l~t:l .'1["...'.::1 ......i th fe.l:::; iLL 11 t y invc:::;c1ga.- <br />tioa:,; :::;..:;,....Jul..J to be initiat..."J ia Fisc.;J.l 'h',lI" 1972 .1nu cOll.pktcd in <br />F:s..:~ll Y.',.r 1970. ^ 1.....V~....\oJ of .:111 :mo....n llvai1.lblc Jata, Cont:,ct .....ien <br />:.;1":.11 intcr"-'SC5, ~nd f,rounJ ..lppr.1L;,.1:; .......r..: bCJ:un in April 1~72.. Since <br />~;'..i~ tir.lC :10.... ~.ctl:>ur...'m;..nts .'lnd \.'.":tc1' sample;:; for cho:.:mic.:ll an.]1}'::;1:; <br />L.iV.' :,.......r. coJll,,-'..:tcJ 1::'J;ltlily .1:': cil:~lC.Cl,,;n sprin:::::; con:::;iJcr....<..: ~;:.'-'n,'t.lc for <br />':..>1 :..:-..:t 10\1 tor Jcs.ll in.:lt ion trc.-,Cl\l(,;nt. A pr..... imin:;t'y r':'';:onn.lif,;~:.nc.-:l <br />~':itil~"o;H(' h.1:> J.-:len ;;I.:;JC of collccli.J.~, cor.vcyini:, a;1J dc~altLnu tuc [Io....!; <br />1)[ tb('~(' ei;;htccn :;prinr,s. B....scd,:)11 the one-year i'criod tb.:.t d.:Jt.:: 1.1.1$ <br />.:ollectcd the sprilll;s pave II f~ow of 3bout 16 ;,;cco~1d-fcet with d ;.ancr.al <br />..:ontent of .:loout 14,200 p.p.ln. th.:i.t ....ould carry .:lpproxirTl.1tcly 225,000 <br />tons o[ dissolved SOllds to the Colorado River annually. <br /> <br />i:be .:luthority for the C.;)lorauo River '...Tater QU:llity Irn~rovcmC'nt P:-oE-:"olm <br />i:> ..!~';'iv('d tram Public Ll""S 64-48), 87-403, and 87-590 rcl::.tint; to the <br />C~lor~d.;) River Stora~e Project and ?::.rtici.p~ting project&, the ~avajo <br />:nJi.m Irri:;.1tlon Project and S.:m Ju.m-Chama Project Act, and the <br />iryini;p.:m-Ark.:ln::3s i'rojcct Act, respectively. <br /> <br />7hc Sccret3ry 01 the Interior is required by theSe vari0us lcsislative <br />acts to rcpl)rt on the quality of ....Jter in the Colorado River Basin, to <br />":\'alu.::tc the suitabilHy ot the ....ater for beneficial use, to .:st1m.1te <br />tl~e effcct~ of future dcvc.!lopme:1t on ......ter quality, and to invcsciZ.:1tc <br />~~~ns of imp~oving ....~tcr quality. A number of basic studies ~avc been <br />u:1dertaken by the Bureau of Reclal;l.ltion,' the Geological Survey, <lnd the <br />Environmental Protection Agency (formerly the Federal Water Quality <br />Administration) in compliante ....ith these legislative rcquircmcntG. <br /> <br />GE~ERAL DISCL~SIO~S <br /> <br />Tile thermal springs and the ground .....:lter in.flo....s to the Colorado ;Uver <br />D~t""cen the mouth of the Roarlng Fork River and the Eagle River are for <br />l~C r.~St part ....idely scattered subsurface flo....s. The located springs <br />....:10!>C flo....5 ....<.?rc consldered collectible by convent.ional methods [or <br />dcSalin.:lt.ion treatment are clustered in the vicinity of Glen....ood Springs <br />~ad ~t a point approximntely 2.5 milcs.do...nstrcam from the mout.h of the <br />E3glc River called Dotsero. These springs arc shown on the ~p on the <br />iollo....ing page. <br /> <br />Ccolo:;ic.:lllY the area is locat.ed at the southeastern edge of the ex:cn.. <br />sive ~,':.itc River uplift. The Glcn...ood ar.d Dotscro S?rill:;s a:-e Sit;,;ate~ <br />at o~?o~ite ends of Glcn....ood C~nyo:1 ....~i~h has been crca:ed by the ~o:,:)rado <br />;t;.v.;:r e.:"oding through very rcsist.::mt :-ocks oi the uplift::. }:":'ny ::au:tS <br />~avc b~cn ca?ped in the area and may be related to the s?r1nbD tn the <br />EoUOs.ur':.lce. <br /> <br />2 <br />