Laserfiche WebLink
<br />-........:.....- <br /> <br />Da019~ <br /> <br />CHAPTEH YI_ CLOSED BASIN HYDHOLOGY <br /> <br />GE~EIL\L <br /> <br />Inflow to the Clfl~t'd Basin is composed of the dischllrg-e of Ihltllral <br />~tr('lun:-:: llnd spring-s, the dischurgt' of urtt-'sill.n wells, din'rsions from <br />the Hio Gmndl', and probnhl.... ll'ak!lge from deep ground-water <br />aquifers which is not ddinuble. For thl' Cnlendnr Yenrs 1936 through <br />1960, the definablp inflow averaged about tH6,900 llcn.-feet from the <br />following soun'es: <br /> <br />Source: <br />~ntural str<'!\lII.,,________________ ---- ---------- ---- ------- <br />~prillgs----------------- ._____ ______________ __4_________ - <br />Artesian w(~ll'L__ _ __ _ __ _ __ __ _ _ _ _ _ _ __ _ _ _ __ _ _ _ __ _ ___ _ _ _ _ _ _ __ _ _ 4 <br />Di....ersion from Rio Grande___________________________________ <br /> <br />.1eu.ful <br />258, 600 <br />11, 000 <br />60,000 <br />287,300 <br /> <br />TotaL_____________ ___ _________________________________ 616,900 <br /> <br />That purt of the inflow that is 1I0t ('onsumed by t'ither beneficinl or <br />Ilonbt'ndiciul cOllSumptin' use 1J1Oves towanl the thnl\H'g and sump <br />of the Closed BU$in whl'f(' it is t1issiputl'll b.... nonuencficial cvapo- <br />trunspirutioll. TIH' terms of tlw Hio Grande Compuet pnnride that <br />in the (,,'t'nt 11II.... works an' congtrueted uftl'r 1937 for t}w purpose of <br />dl'li,"pring wuter into the Hio Grunde froll1 the Clos('d Basin, Colorado <br />shllll lint tw credited with the fllllount of such WItter delivered unless <br />the proportion of sodiull1 ions in sllch \Vutt.'r shnll be less than 45 lwr- <br />('t'nl. of the tou! posit in' ions wht'n the total dissolved solids in such <br />\\'uter l'xct'l'ds a50 1)111'1...__ per million. Tht' hydrologic nllalysis pr('- <br />seIlted lwn~in t'vuluutes tilt' umount of wllter of satisfllctory qUlllit.v, <br />under tll<' provisions of th(' Rio Grnntle Compaet, thut could be sal- <br />,'uged from nil llPproximately IOS,600-H('r(' ~Hlnlge luefl nlong thp <br />thlllw{'g: of the Clo~('d lhsin, <br />The portion of the snlnl.g(' urelL nbon~ San Luis Lnkc is located <br />in the hasin thohn'g and reeein'~ surface llnd ground waters from <br />both naturnl runoff and irrigation din'rsions from the Hio Grande, <br />In this nrea, sulvnge of ground Willer would be a(~eomplished, without <br />lIdvprse ('ffect Oil lldjoining irrigah>d arcus, by lowering the water <br />tnhl(' to a depth which ('sselltially precludes Ilonbcneficinl evupo- <br />trllnspirntioll of ground WIl.t('r. Adtlitionul salvllge would also be <br />accomplished by ulpturing snrfnl'e floodflows and operating wllSte and <br />rl'tllrn flow from tllt' irrigated lands reaching the sakag:e area either <br />nntumlly or thrtlug-h surfnct' interceptor ditches. In the portion of <br />tilt' salnlgc area south 11lHI cast of Sun Luis Lake, snlvage would bE' <br />accomplishrd by interception of the ground water before it becomes <br />polluted by mixing with tht' chelllicully unsuiluhl(' ground wnters in <br />tl1(' sump of tllf' Closed BilSiTl. <br /> <br />1:-':-') <br />