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WSP10309
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Last modified
1/26/2010 2:58:14 PM
Creation date
10/12/2006 4:15:53 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8510.100.40
Description
Rio Grande Compact Commission
Basin
Rio Grande
Water Division
3
Title
Analysis of Report of Committee of Engineers to Rio Grande Compact Commissioners dated December 27 1937
Water Supply Pro - Doc Type
Report/Study
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<br />00 <br />~ <br />'<::1' <br />.."" <br />o <br />o <br /> <br />(1) <br /> <br />Had the record employed for the test Gxtended <br />over the 9-year period 192~1936, then credits <br />and debits 'would have substant,ial1y balanoed <br />each other, indioating that nQ expansion of <br />consumptive use would be perm5,tted under the <br />reoommended schodule.' <br /> <br />10. The generally accepted figure for a long-time (1890-1935) <br /> <br />avero.;.;e flow of the Rio Grande River near Del Kori;;e. is 707,100 aore- <br /> <br />r.let per year. SinCE) the 1';'25-1936 averae;'" of 643,6')0 acre-feet, is <br /> <br />sw:bstantially 90% of the long time me!lJl. :i. t is applu'ent that. .from the <br /> <br />standpoint of water produeti on, tho l2-year pariod _s somewhat sub-normal. <br /> <br />F'rol1' the standpoint, however, of the prevailing relations bet'l'roen supply <br /> <br />and oonsumption, the period should serve to illurlrate the prObable future <br /> <br />oQiditians under vresent status of development. <br />11. Outflow of the 1110 Grande River Bas in (total at Lobatol!l <br /> <br />sts.tio.."l. including Conejos oontributions,. averaged 363,800 Q.cre-feet <br /> <br />during the l2...year period. This is but 61!;}[ of the reported long time <br />(1890~1935) average of 550.200 aere-feet). Manifestly, the baein <br /> <br />outflO'lT during 1890-1921.1 was in exoess of 550.200 acre-feet per year. <br /> <br />("1 the uveraf.e, and C(.(t'!sumption of water hae increased with irrigAtion <br /> <br />development. <br /> <br />12. l'able B, hereto attaohed, indicates that. had the <br /> <br />Conejos Schedule, as reco'mended, been in ef'i'ect during 1925*1936, <br /> <br />the exoess oi' debits over credits would have averaged 3.800 acre-feet <br /> <br />per :year. Assumln,r': this l2-year period to be representative of future <br /> <br />water cOl1sumption relations. then the lini t of development has already <br /> <br />been reached, and some alight retrenohment from the status is needful, to <br /> <br />keep wi thin the terms of the sohedule. <br /> <br />-5- <br />
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