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<br />. <br /> <br />reservoirs ~nd from reservoir inlet c~~ls. <br />"Thore ::ero c,t present, in th::,t p:>rtiol1 of the South <br />Plc.tte river under cons ider etiC'n'. tisix ltcrge o]1er ~ti ng reser'" <br />, <br /> <br />voirs c.s follows: <br /> <br />N:::me <br /> <br />Arer'. of high <br />weter line. <br />[tcres. <br />2546 <br />1560 <br />2842 <br />3595 <br />3081 <br />243'1 <br />cc.pc.city- <br /> <br />Yec.r when constructed. <br /> <br />Je.ckson Lr,ke <br />Jule sbur g <br />Empir e <br />Ri versid e <br />NOrth Sterling <br />Prewitt <br /> <br />1903 <br />1905 <br />1906 <br />1909 <br />1911 <br />1912 <br />Aggregato reservoir <br /> <br />Cc.pl'.ci ty <br />Acre-feet. <br /> <br />35400 <br />28200 <br />37700 <br />57500 <br />81300 <br />32800 <br />272900- <br />Acre-feet. <br /> <br />"Th eso reservoirs, generclly spe eking, fi 11 [',nd ompty <br /> <br />once (l yeer, except the Horth Sterling which hes not ('.s yet <br /> <br /> <br />filled to much moro th[\1l tho 50.000 (',cro-ft. m::erk. Allowing <br /> <br />.' <br /> <br />for this difforonce we huvo rn c.ctu::"l (',nnu~l stor[lgo ef c.bout <br /> <br />240,000 ncro-ft. in the lowor South Pl[\tte Valley. <br /> <br />"Roc ords of di versi ons b;y' reservoir inlet cenc.ls indi- <br /> <br />c~te th::"t ~bout double this [',mount of wlcter w::"s diverted, or <br /> <br />in othor Words tho.t these stor::"go systoms [IS 2. whole ::.re not <br />over 50% efficient, Hence if we l1og10ct evc.porc.tion losses <br />we l!lC-y :?ssume th::.t 80mo 240 ,000 ecre-feet of wo.ter pe r cnnum <br />lost from reservoirs end reservoir inlets, re-ar'.peer8 in tho <br /> <br />river 0.8 return flow. <br /> <br />"This leaves e. return fIo-:r of some 333,GGG acre-feot <br /> <br />por annum developed from 235,000 ::.cres of lend or en everc.ge <br /> <br /> <br />of ' about 1.4 o.cre-feetper (lore, including losses from the <br /> <br /> <br />canals themselves. Gere rc.lly sped:ing the 0::'.ncl8 in this sec- <br /> <br /> <br />ti on ere moesured, ne ar t he ~)oints where irri gnti on be gins <br /> <br />. <br /> <br />D <br />