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Last modified
1/26/2010 2:21:07 PM
Creation date
10/12/2006 1:25:16 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8443
Description
Narrows Unit
State
CO
Basin
South Platte
Water Division
1
Date
1/1/1978
Author
CO Water Resources I
Title
The Impacts of Improving Efficiency of Irrigation Systems on Water Availability in the Lower South Platte River Basin
Water Supply Pro - Doc Type
Report/Study
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<br />.. The W<lter sa,Qt3a5.ining the Sterling No. <br />Irea canal is used entirely by ~is senior ~ater <br />right and no relief is felt at nIl by the- junior <br /> <br />- {~:;g~.._~1~.:t~ LIIO(O <br /> <br />~"Of r <br />~" <br />~ I I <br /> <br />i::1 ~\I <br />i,,1 / V <br />f L /" -- / n-PICAL T(41'! <br />'-""" ------.r StT1l.lflS DlTel1 <br /> <br />, <br /> <br />6 II 10 12 I" <br />IRAIG"T~ 5(4S0foj.....[(1( <br /> <br />1& l!!l 20 <br /> <br />. <br /> <br />1YnStream S~ttler5 Ditch area. There is no detrl- <br />!Iltal effect of lining on junior surface rights <br />1 the river, hov~vcr. <br /> <br />:rit of Incrensin~ tar~ ~Tri~ation Effi~i~n~~ <br />This management strategy reduces the dovnstream <br />I~rflu~ noticeably late in the irrig<ltion season and <br />L~O ~{~et ~h~ lrr1gation 5eJSOn. As op~osec tD the <br />,des 2 (lining of canills) result. there is n'1W a <br /> <br />(~:H 2 .- ~~~~~J;[O <br />~tlll[S ~ ., &111" tf~ T~,., <br /> <br />'200. <br /> <br />r roo <br />':v\i::/ 'j )1'::: <br />I'" v \ .00 <br />!vvbj:: <br /> <br />'IJ~<;) <br /> <br />~- <br />~~ 1100 <br /> <br />;~ '''11 <br />.' <br />si? <br />~~.400 <br />,- ",I <br /> <br />L <br /> <br />. <br /> <br />. , , <br />llON111 <br /> <br />o . 0 <br /> <br />~ilt reduction in river (low out of Gtate. The an- <br />,11 volume of Dutflov is now about 10 percent Df <br />storical. It is note~orthy that the position of the <br />ries 1 line (Reference run) relative to the Series 3 <br /> <br />, <br />.':t~"lI <br /> <br />line do~s not ~hangc much frum year to yenr. This <br />suggests th.1t il net... stream-aquifer equilibrium posi- <br />tion has been round as i~ result of the new strategy <br /> <br />ilnd tbat the new equilibrium 1s reached within a <br /> <br />coupl~ of y~nr~. <br /> <br />It was found that the reduction in <br /> <br />volume of river flow out of state is precisely equal <br /> <br />to the increas~d consumptive use of water on the <br /> <br />farll'.~. <br />The improvement in irrigation satisfactinn in <br />this case is ."H most 10 perc"'-nt on the Steding No.1 <br /> <br />SlRl(Slnl1lSTOfllC <br />SER'€S 2-- ["''''US LN:O <br />S(RI(S )-- f4R/fI tF"r 1~'" <br /> <br />'001-- -. <br />~,:. <br />~ "I ~/<'.\ <br />~ I \\..: <br />. , <br />"'60 1 <br />~ , <br />~ ", \\ <br /> <br />~ "I : j <br />~ L\~- TTPlC"'LT("'/l~ <br />l- ~::: STtRLlltc. NO I <br />~._~-~--------- <br />o 'I " () 8 (l ,2 14 16 18 20 <br />\RAlc:.Al\01OS.U,~,wttl\ <br /> <br />, <br />, <br /> <br /> <br />,;" <br /> <br />syste.rn and less on the Settl('.["s Ditch systi!m. When <br />water is really scarce the strat~gy does not help <br />much. Little ~ater used efficiently is still little <br />water. Generally Some improvement in supply is rea- <br />lized on individual farms. but not vhen it is nceded <br /> <br />{~~:~~. _HCS:;:~ L~to <br />5(1'11(; ~ -U1'l1ll [Ff 1!1~ <br /> <br />''''' r <br /> <br />~ "I <br />. <br />~ <br />" <br />~ <br />i <br />( 40 <br /> <br />,..-- <br /> <br />, <br />, <br />, <br />, <br />, <br />, , <br />',,' <br />" " ~ <br />.. --"\ <br />, /'~\ <br />:~~/ <br /> <br />,', <br /> <br /> <br />z <br />~ ~o <br />f <br /> <br />1YPlCALYEA/l <br />S(fTLtRS OtTOO <br /> <br />o <br /> <br />. , 10 11 I. <br />IRRIGATO<oI S[ASCW,W[[K <br /> <br />16 18 20 <br /> <br />. <br /> <br />5 <br /> <br />. <br />
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