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<br />:~}ff~ <br /> <br />~~~1 <br /> <br />4..16-52 ' <br /> <br />#Z~;f <br />~~'lt,.,:~ <br /> <br />."f-f~:; <br />;1~.~ <br />~~~Jt:~.:: <br />!f.~~~ <br /> <br />N <br />N <br />0') <br />W <br /> <br />Except in years of .unusually high divertible runoff, serious <br /> <br />shortages of irrigation water are experienced. Most of the enter.. <br /> <br />prises suffer a perennial shortage of vital early spring and late <br /> <br />~~>~} <br /> <br />season water. Present studies indicate that for satisfactory crop <br /> <br />production an are rage annual headgate diversion of 3.19 aore..feet <br /> <br />>>.-..~ <br /> <br />of irrigation water per acre of land is required in the Arkansas <br /> <br />',',' , <br /> <br />~:~; <br />,,'.<' <br />;';"':'. <br />~~~t . <br />,;~.'. <br /> <br />Valley below Pueblo. 'th~ average 9lIlount of seasonal irrigation <br />~ <br /> <br />':'. <br /> <br />water per acre of land is required in the Arkansas Valley belOlf <br />Pueblo. The average amount of seasonal irrigation water historically <br />a vai;l.able between PueblQ' and the Color ado-Kansas State line has ' <br /> <br />"",,'- <br />'-'!'.,' <br />.~:<. <br />,'. . <br />~~,,~: ' <br />}{~ <br />" <br />;:~:. <br /> <br />:'.; <br /> <br />:'.': <br />:. .'~ <br /> <br />average annual shortage of irrigation water amounts to 35 percent <br /> <br />;:\. <br /> <br />i~:!~': <br />}. ~;' <br /> <br />::.;::: <br /> <br />ranged from 0.9 acr~feet in 1934 tQ 2.7 acre-feet in 1942. The <br /> <br />,.".;, <br /> <br />of the total requirement and. the shortage has gone as high as <br />78 percent. <br /> <br />':. <br /> <br />J; <br />'" <br /> <br />The foregoing figures represent average conditions. In <br />, ColQrado the stream flQW is apportioned to the water uSers in <br /> <br />, <br /> <br /> <br />:3 <br /> <br /> <br />accordance with the priority of their water rights. Priorities <br /> <br />are, in turn, E,stablished in accordance with, the time at which <br /> <br />beneficial use of the water w.as first made. The seriousness of <br /> <br />the water situation in the flrkansas Valley is very apparent <br /> <br />when examined in light ot water rights or priorities. ~ <br />irrigators hlaving water rights with priority dates earlier than <br />the ,,1860 decade or early 1870's are ordinarily reasonably well <br />supplied from direct tlow. <br />An average, armualsupplemental water supply of 340,000 acre- <br />teet is needed to relieve the water shortage on the present irri- <br /> <br />gation farms in the valley. <br /> <br />;,': <br /> <br />~,;~i;;ti;)}:;(;1W{F:~;;;~;;i;;:}:;'.t':;l:E;;k;,;';j!}I}iiti~?ii;f;,;~~Jt;t~;:::.':~l!ii~Ji;:'j.~;Ft';:.::Yi,;.;:B',!::~f;~;~~\~,~)';:.',;,; ;,:; ':,:: <br />