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<br />(:) ~ATER u7!LIZATION
<br />."\;l
<br />o
<br />~.. In the Upper Colorado Pi-ver E'1,,:i::, the s'.lrf,'3.ce ....aters are used
<br />for do!:",estic. indllsi:;riel, ar,d !::u:-,ici;.al t.ur~oses, ir.cludin.s t3~ dilu-
<br />tion of ~e'...aGe a:1d 1:1du=:otria1 ',,(;:.s+~(;~-,; :"or' irri~atir:,:: lar.d 1.0 ,rodllce
<br />foed ar.d fiter; for ;.;aterinc livestocr.; for ;-r:::ld'clcinr: !(,'d.roelectric
<br />po....er; for conservinf fish er;d ',,'iIllife; ~d :~C'l' recres.tio!l. .\130,
<br />....ate::- i2 ex.:-orted O'..lt of the b:1Si,: f~r use ~lsewi1<:re. ~;ese U5~S of
<br />wat.er by r:U!'I heve cl,anled thE' ne-taral recir:.en of I:lfU1Y of the stre~S.
<br />Table 3 s'~arize~ the reagnitude of these uses ar.~ the ~8ter-~p.n8eernp.nt
<br />~acilities invo1.ed.
<br />
<br />7h~ rreatest use of water in the Up~er Co10r~io River Easin is for
<br />irrigaticn, which in 1957 serled :').t;O'.lt 1,413,1)80 Z-cr~s of l::=,j. i>1ost
<br />of these ir~i5ated lsr.ds t~ve bee~ developed by private ent~~)rize;
<br />bo....ever. Bureau o~ Reclcx;ation projects f\..rnis1) ....at.::-r fo:; at-,)ut 270,000
<br />acr~s. I~ ad1itiQn, ~he Bureau of I~~ian A~f~ir3 operates five projects
<br />involvin& about 91,OOC acres of Indian reze~vations {President's Wuter
<br />?e5ource3 Policy Corr.:nission, 1950, I'. 3':.5i.!./
<br />
<br />In ttis irrigation. ave~~~e yearly conc~tive use of .ater tas
<br />been est.ir:,~j:::~j "to be 1, 7(;'~',lOJ a.:r:=:-feet {U:,~~er C'olc.r6..:io !Ever :.'85in
<br />CO!:lpu:::t Cor:::li"ision, 191.,8).2/ Gevc:r'l.l t.i:!es -:..his '..01w::,~ is ..U-,erted from
<br />the 3tre~,3, 6p?lied to th~ lan~s, nnd retur~~1 to the ~t.re~~s Lirous
<br />trle ar:;:'UIlt consu.:Led. inety-:',....o reservoirs \'-i'th ~t(lr<<r1e cU"iaciti.es
<br />greater tt8.n 1.000 acre-feet. h:l.d been construct~t: i:-" t.he basin :.'y 1957.
<br />~eir co:-:bined capacit:J' is abo..:.t 1,::35.000 'l;.:re-feet, c-f .~'!licl~ about
<br />733.000 acr<:,-feet is r:'bmrily to -r:rovide ',la:.er fer ir~'':'.~atior:. dc:ces-
<br />tic, anc. bdus'trial uses within t:H" Upper Colorfl.1c F::ve~ Jasir.. The
<br />rerr.A.ir.der of the stored ....ater is jiri:'mri1:r for ex:-,ort.
<br />
<br />Or. the averase ns of 1~57 3cC~t 4Gd,4JQ acr~-f~et of w~ter ~as
<br />being eX?orted froin the basin ;,'en.rl y in 42 t: ans~cu::tr.i~ C3.Z)::ls :::.nd
<br />tunnels. ?a.rt of t!,is wate!" \ras u:::ed "-"fist of th", CD:.t:.n~~:tal :'i.vide
<br />in Colorado aod ~..lyo[j,ing, a:1d !,c~rt ir. thE' Gr~2.t 5<>.sin of lJt,:~i1. C:-,e
<br />civersiol~ i!:":Jorts an fi\'e!"1.5e of ::t:out 2.Goa acre-feet :re~_rly into the
<br />ColorajQ Ri'ler ::3.s1r. fror.l t'!1e Gre~~t Sasin. FiEun: 4 $:10....::; the increase
<br />in trar.sI!:Our.,,',l::n diversions f:-~::J. 1:;'14 to 1951'.
<br />
<br />Yearl:r co:~sur:ption o!~ ....:iter by dc:-:',!,c,:.i,: "cd indus:~lnl '.l2eS in
<br />the basir. is esti~ated to Ir:~r1.ee about. 22,'~"~"'" 8.(:re-l'eet :0:' :~e 1957
<br />level of devel':)prr.er,t. ':'h~ 'lolurr,e cf ....a~er :;:tL:":-r-.'.:n fo~ t:le-se purposes
<br />is several t.i.,es L.,~ anount. consu::~J..
<br />
<br />
<br />In the basi~, 25 hydroelectric PO....C'::'filar.t3 h::-,ve a totel
<br />capacity of about 5;,410 kiloyat.ts. :a d:lt,;. :;"e .'1y~i.;..able on
<br />a=l.cunt of \,':l.ter ?e.sred throu:;!, tb~ tu:-.:-i:-.(:s -::f t~'.:'3e rle..''lts.
<br />ccnsumptive use is essentially zero.
<br />1/ P::-csideit's ~ater ?escurces ?olicy CQr~., :950. Ten rivers in
<br />A::.e:-icCl.'s .',.:.ture: U.S. C-;:vt. Prir,tins O:f., ',.l2.=-r.i::~t.on, I;.C.. D. 365.
<br />'E./ U,,:-er Colc:'?;.io RiV'~:-, o<:'lsin Cc:;::~e~t Co::.:..:.ssio:1, 191;8. Fl:1e.1
<br />P.eFcrt 0: Snginee:-ir:.-: ;dvisory Cc~it~ee to -,J?rer Colcr<,.do RiVe!" :aasin
<br />CO~pgc: Camm.: ur~e::- Colorado CO~;is5ion, 1945, 203 p., Ie fiGS.
<br />
<br />installed
<br />the
<br />
<br />Their
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<br />10
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