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WSP11823
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Last modified
1/26/2010 3:18:59 PM
Creation date
10/12/2006 5:11:51 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8281.400
Description
Colorado River Studies and Investigations -- Colorado River Depletion Projections
Basin
Colorado Mainstem
Water Division
5
Date
3/25/1955
Title
Report on Depletion of Surface Water Supplied of Colorado West of Continental Divide
Water Supply Pro - Doc Type
Report/Study
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<br /> <br />VIII <br /> <br />LETTER OF TRANSMITTAL <br /> <br />o <br />,:") <br />~ <br />c;> <br />c.o <br />~ <br /> <br />, 5. Oammitments far extensian af existing prajects and far ather <br />'prajects autharized wauld increase present depletians almast 200,000 <br />acre-feet per year. <br />6. The present uncammitted surplus which can be relied UPQn fQr <br />Ilse in OQIQradQ is thus 1,450,000 acre-feet. per year. <br />7. DevelQpment Qf the Qil-shale reserves in western OQIQradQ shQuld <br />be anticipated and the cansumptiQD-af water far industrial, municipal, <br />and Qther purpases resulting therefrQm may reach 300,000 acre-feet <br />per year. <br />" 8. Oansumptive uses by expansian af irrigatian an the western <br />slape will depend up an the degree to' which new prajects are subsidized. <br />Shauld the subsidy be limited to' $200 per acre, the resulting depletian <br />wauld be nO' mare than 100,000 acre-feet per year. Shauld subsidies <br />af $400 per acre be given, the stream depletian wauld be a little mQre <br />than 400,000 acre-feet per year. Shauld subsidies as great as $600 <br />per acre be permitted, the resulting stream depletian at sites Qf use <br />might reach 800,000 acre-feet per year. <br />'9. Depletians by new transmauntain diversiQns will likewise depend <br />upan the degree to which irrigatian agriculture may be subsidized. <br />Same diversiQns eQuId be financed by municipalities withO'ut sub- <br />siqies, but these would be limited to abO'ut 200,000acrecfeet. Addi~ <br />tidnal transmO'untain diversions for agricultural purpO'ses in any sub- <br />stantial amaunt wauld require subsidies in excess af $400 per acre. <br />Even if subsidies as great as $600 per acre were permitted, the to' tal <br />afall new transmauntain diversians fO'r all purpases wauld not be <br />mare than 300,000 acre-feet per year. <br />1P. If subsidies to' agriculture at any paint in Oalarada be limited <br />to' $600 per acre, future depletians caused by expanded irrigatian an <br />theiwestern slape and by transmauntain diversians wauld amaunt to' <br />1,100,000 acre-feet per year. . <br />11. If any greater subsidies were to' be allawed, the PQtential deple~ <br />tian! caused by consumptive uses in agriculture and industry and by <br />transmO'untain diversians WO'uld be in excess Qf the supply O'f water <br />available to' CO'larada. . '. ,'. <br />12. Increased diversians af water far use by agriculture and in- <br />dustry O'n the western slQpe and far transmO'untain diversiO'nswill <br />depe';nd upan the prQvisian Qf sufficient starage capacity in reservairs <br />far ~anservatian Qf flQad flaws and same cyclic regulatiQn; in Qrder <br />thatOQlaradQ may make full use af the water allocated to' it by the <br />cQmpacts, cyclic regulatiQn Qf CQlarada River O'ver periads langeI' <br />than ,20 years will alsO' be necessary. <br />In submitting this repart to' YQU we hQpe that it will serve as a basis <br />far recanciliatian af canflicts amang the citizens af OalQrada. <br />, Respectfully yaurs, <br /> <br />LEEDS. HILL & JEWETT, <br />By RAYMOND A. HILL. <br /> <br /> <br />, <br /> <br />T <br /> <br />'. <br /> <br />1-: <br /> <br />" <br />:t. <br /> <br />;:," <br /> <br />;- <br /> <br /> <br />,/ <br /> <br />.,' . <br />".', <br /> <br />.- <br />
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