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U0' , . Table 18 - CURRENT AND PROJECTED IRRIGATION ACREAGE MISSOURI BASIN - -- ('Un...nl CUrrenl ~d~JI~I1;d ~~igalj()n Full Inlermill"nl Suhb.Hin Impli~n ___1. Irrig;.lIiu" 19kO ] _ 21'00__ i 2020 (ThouQnd .-\cro:s) lThou....nt.l A~Tl.'i-ln<Tl'menb.ll Upper 'lt~\Ourr 1.102 I '" 192 I 21.5 '41 Y('JJOw~I"n.. I.IfHI 235 190 :!bJ ,8< W"\lcrnD"koIJ 109 '" '" 110 J" b,tcrnDJlolJ '19 IIJ 119 521 97' PIJII..-....iobr;cf.l 2.9kb 150 '" 711l '" 'fiddle \li."ouri JIB U 1.N ;0, '>0 I\dn\;l, 1.703 0 7]0 5t.4 923 LOI....r\Ii""un -~ --'1 !3!) ~51 ,lilt 'llv-olmlla"ln 7.4/5 1./14 1.135 JAn7 4,65) -- deveJOrm~1l1 .:ouJd be ill excess of 18 million a,'res, III OlbOlU 211 peTe"em of the potentiJlly rrrigabr... bnl!. Ouring del:iiled pbn formulillioll. rheS\.' pruje~'lh)f]s musl be ICHed 10 Insure lhal Ihe inilial Judgmcnls Jft' reJsoIIJbJe Jlld any l'Olllpeli!j~'e sllualiom arc resolYt'd. Rehabilitation of Group Irrigation Systems Of the I.:md currently irrj~all'd III the baSin, ahmn 5.X million al're~ are serYlced by group irrig;llillll syslems. Potelllials fror Improving Ilk' ef!1cicllcy, or OUlput, frum lhe SYMelllS depl'nd un lhe SOlullon tn onl.' or mort' of three general problems: f II ....ater shoflages during: Ihe cmp growing Sl:'ason: I~J dralllagl' prohlellls: and (J) high Ilpcr;Jlllln and IlUinten;Jn,'e COSls_ Slllullons 10 thl' probll'ms in each ,";J!rgllry normally w\luld ,'onSlsl of ont' llr more impro\'emCnls including: (I) added waler Slorage, illlprllh'mt'm of dl.'liwry Syslems. canal Jlld blnal Imin,!!:, ;md fadlJly Cll/1SlllidalJOns: f ~ 11ll~lalJ;Hioll of grollp drainage dildlCS, land preparation, smool/lIng, and kveling: and I J J reorganiZatllln ;JIH.l'"Onso/idallOll of preSt'llt canal systems. including Iming and prme,'lion against erO~llll1. Analy~es Wl.'re mad.' tll dt'lerminc Ihe 1l1aXIlIlUltl amounl of rdlabililallLlII lhal '"llull! be accolllplisht'J 10 inerea$(' elTkiency. considermg phYSIcal qualllHies and l'OS! fa,'llns. Sillce the \lbjectl\ll.' i.s "11J1l"rl'a~ l'ffirit'ncy. during the ptwlllllg prllt'l'SS tht' lllaxinllh'd physical quantilies were scaled I" met'l lhe CllIIl'~'pl of en-kil'nl"Y gJms. Wilh lllc pl.wning O:llllstr;Jinl nOled, l;Jhle 19 SUllllllarius the 1l1<l_\lmUlll potential fur rehJhilJlallllg and rl'orgallllil1~ l'\ISling group irngalHln faCilitIes. Table 19 - POTENTIAL REHABILITATION AND REORGANIZATION MEASURES FOR GROUP IRRIGATION SYSTEMS. MISSOURI BASIN .suhha,in Dilen l DUdl Sloug.. /)rain~.. C'un....J1id:llion Lining Rf'tIuin'menh Dilehl'li (\Iiles) (\lib) (Thou"In,JAn (.\filesl 1.1113 1.057 240 J" ']0 t.046 J5I 957 11 ." 27 10 , 416 1.466 561 3.140 , -.1~~_ ~ -. 3.J6R 5.391 I.ISO 4.630 . -- -- --- llppt:r ~li''''''ufJ Ycll"'nlone y.."'lernlhkt'IJ fa'tern UJ~lIIa Platle-,\;iohrJrJ r.:Jn\J' .\!j''>O,mliJ<rn Forestry The annual /!Jrws! of limber rcs()url"t", " aboul ont'.half of lht' annual growth 111 nk'r,"hanlabll"sILe limber, The naliorl.J1 demalld f{)[ foreSI produ':ls is eXJX'cted In lIlcreaSl,.' aboul JJ perCcnt b} l'IxO, 100 rerccn! b} ~()(X). and ~OO per.:elll by ~O~O from J I Qt>~ base. Xel annual growlh in mer.:hanl<lbl.._size limber IS eXJX'cled 10 lIlneaSt' at nearly the s.Hlle ral(.' as lImber uSt:'. It IS anli.:ipaled thaI growth in merchJntabJe,slll' limber wi/[ ,'xceed cut by aboul ~OO nul/ion l'ubk" ICel annually III ~O~O. Tht're ap~'Jrs 10 be nu nCt'd fllr ,'hanges m land use lor lllllher pr'ldu.-rs lhfllu~ the slud} PWjt'ctiun JX'flod.llol'.-l'ver, inll'llsiH' lIlanagt'ml'nl of {'1feSI cover Ius a Slgllifkalll role III lill' maitllenan,'e of the Walcr resour.:es. In .<.tIme local IOns chall!l:es ill land use Illa} be dt'SJrable 10 pnwiJ<' foresl Jnd woodland areas for mailllaming and impfll\'lll!! Iht' general envimn_ U1t'tll Oflhl'area, WATER SUPPl Y Waler supply sludies. l'xdusiw llf tnl' imgalJOn sludies alrt'ady dt'snibl'd. t'ltlbral'eJ Ihe following uses: " .