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WSP00643
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Last modified
1/26/2010 12:27:03 PM
Creation date
10/11/2006 9:52:00 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8543
Description
Closed Basin Division
State
CO
Basin
Rio Grande
Water Division
3
Date
12/27/1937
Author
CL Patterson - CWCB
Title
Analysis of Report of Committee of Engineers to Rio Grande Compact Commissioners
Water Supply Pro - Doc Type
Report/Study
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<br />do <br />~'J <br />""""'~ <br />..-I <br />,:;J <br />C:~ <br /> <br />13. At the Mogate S'bation, the flow' of tho Conejos during <br />1925-1936 a.veraged 243,100 aoro-feet per year, whioh is 95% o-t: tho <br />reported long time (1890-1935) average of 255,600 Il.Ore-feet. No, <br /> <br />similar long time a.vora.gGs 0.1'0 available as to outflow. <br />14.' Combining the Rio Gr1ll1do a.nd Conejos Index supplies, the <br />Inde~ inflow during 1925-1936'waa an a.verage of 988,800 aore-feot, the <br />avel'age outflow (Lobatos total) waa 363,800 ll.Oro-fc>et: a.nd had tho <br /> <br />reoommended sohedulesbeen in effeot, tho required doliverios would <br /> <br />haVQ o.vol'~ged 35L~,lJDo aore-feet per year. reproeent:l.ng an averago oredit <br />I <br /> <br />depa.rture or 9,400 aore-foot pol' year. <br /> <br />15. Futuro, irrigation development in the San Luis Valley <br />requires (a) l'esorVOir regulation, or (b) pumping plants to,l'e-use the <br />waters in ground storage, or both. In ei therevent thoro w01.\ld, in our <br />opinion, be llll 1J:)o.reasod oonsumption of wator. With rfJDorvoil'G, there <br />'would be addi'l:lonal water surfllOos exposed toevtl.pora.tion losses. <br /> <br />ExoossiVel earlyseasClll e.pplioations, with defioienoies in later months, <br />tend to inorease peroola.tion losses and l'eturns to the rivor. Sl?r~ladJ.ng <br />the S!l:nEl water ovel' !>. longer time interval inoreasos orop produotion, <br />,thus l:noroasing trlmspira.tion losses, and illoX'Oalles soil moisture, and <br />soil ov-urol'alion 10aaea.Si1l'lillU"ly, with pumpins pla.n'Cll:- water <br />oannot be ro-usod w.!. thoutsUbjeoting :I:ll to additional 19ss011 whioh <br /> <br />appear as inoreased oonsumptive use. <br /> <br />.6- <br />
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