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<br /> <br />f') <br /> <br />Chapter 4 <br /> <br />-..J <br />r:P <br />-...l <br /> <br />PRESENT AND FUTURE DEVELOPMENT <br /> <br />Thl~ Seellon of the: rerNt "ummanZe.. the proj~cted depletion~ used by Reclamation to ~valu:Jte: th~ <br />e1fe..:t.. oi \\att.'r u..e :.md depletIOn.. for thi~ Progre.... Report_ By neces~lty. these w.:l.ler u:o.e <br />e"urnate.. wcre compded In 1995 as the first "tep In evaluallon proce..... They Will be updated <br />agam m ]997 for the n~'t progre.... report Table 3 summanl~" the estim.:Hed depletion of \\,Jter <br />through full ba..m de\'elopment for the m:.llmtem of the ColorJdo River. The projc,;tions were <br />made In consultation \-'> lth mdl\idual State.. \-'> lthin the Colorado River Ba~in .lnd the Cp~r <br />Color.:tdo RI\er Comml..~ion. ho\-'>t'ver. the State" do nOI nece..sMil) concur with the projectlons <br />adopted by Reclamjtion for planning purpo..~s. <br /> <br />:-':othmg In thiS report I.. Intended 10 mterpret the provision-. of the Colorado Ri\er Compacl <br />(45 SIal. 1057). the Up~r Colorado RI\er Basin Compacl (63 Stat 31). the Waler Treat) of 1944 <br />wnh Ih~ United \1t'\lcan $talt's (Treaty Sem:s 994; 59 St31. 1219). the decree entered by the: <br />Supreme Court of the Untted State~ In An;:orw v. Califomia t't al 076 U,S. 340). the Boulder <br />Canyon Project Act \45 Stat 1057). the Boulder Canyon Project AdJu..tment Act (54 Sm. 774; <br />43 U.S,c. 61831. the Colorado River Storage Projecl Act (70 Stal 105.43 U.S C. 6~OI. or th~ <br />Colorado River Ba"in Project Act 181 Stat. 885; 43 U.S.c. 1501). <br /> <br />UPPER BASIN DEPLETIONS <br /> <br />Table 3 ~ummarile" e~llmates of future depletions due 10 water development in the Up~r <br />Colorado Ri\'er BJ'iin ..md lo\\,er mam..tem, The startmg pOlnt~ for the depktion projections <br />("1965 FrJmework Study") were developed from the Uppa Colorado Region Comprehellsive <br />Framt,~.or/.; SItu/V. The compn:henslve framework study estJblished normalized depletion levels <br />for the 1965 le\el of water resourc~ devdopmcnl <br /> <br />1966.90 ChangeS-In table 3. bnng the depleuon~ estimates up to the 1990 I~vel of devdopmenL <br /> <br />Anticipated Depletions-in table J. represent depletions at full development by projects which <br />have come online. are under construction. or are relati\ely cenaln to proceed In the n~ar future. <br /> <br />Potential DepletionS-In table 3. represent depletions at full development by projects whIch are <br />,,111110 the planntng stJg~s. or supplies "hich are resened for future development (such as energy) <br />Jt some poml. but \\ hich pOInt is currently uncertJin. <br /> <br />The Cpper Colorado R\,lier Basin Compact provid~~ Ihal the StJtes of Arizona. Colorado. <br />:S;e\'. \1exico. L.lah. and Wyommg will share In the consumptive use of water available 10 the <br />L"ppcr BaslO m the followmg proportions: Anzona. 50.000 Jcce-fce:t: Colorado. 51.75 percent of <br />the remainder: ~ew ~le,ico. 11.~5 percent of the remainder; Utah. 13.00 percent of the remainder; <br />and \\'yomlOg. 14,00 percent of the remamder. Each Upper Basin State IS charged a proportionate <br />shMe of the total eVJpOrallOn from unmeasured return 110\\ credits. Values shown for 1990 do not <br />match Jctual u:,e measured In Decree: Accountmg but are a\'er3ges used for modeling. <br /> <br />17 <br /> <br />- <br />