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Last modified
1/26/2010 12:29:47 PM
Creation date
10/11/2006 10:15:33 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8281.400
Description
Colorado River Studies and Investigations -- Colorado River Depletion Projections
Basin
Colorado Mainstem
Water Division
5
Date
1/1/1985
Title
Colorado River Depletion Projections
Water Supply Pro - Doc Type
Report/Study
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<br />o <br />, ") <br />~~ Expan~ed use from these ditches since 1965 is 4,858 <br />N <br />f~ acre-feet, Values supplied by the Colorado Water <br />~ <br /> <br />Conser~ation Board. <br /> <br />j. Colora~o Biq Thompson/Windy Gap <br /> <br />COhstruction on the Windy Gap project began in 1981 and <br /> <br />was completed in May, 1985. The original plan was to use <br />facilities of the Colorado-Big Thompson Project to divert <br /> <br />upto an additional 54,000 acre-feet per year from the <br />Colorado River for domestic use on the eastern slope by the <br /> <br />cities of Longmont, Loveland, Estes Park and Greeley and <br /> <br />the Platte River Power Authority, Windy Gap Diversions in <br /> <br />water year 1988 totaled 20,000 acre-feet (2,000 acre-feet <br /> <br />was shrinkage due to evaporation and 18,000 acre-feet was <br /> <br />certified for delivery), Windy Gap diversions to the east <br /> <br />slope are reflected as part of the total diversions made by <br />the Colorado-Big Thompson Project via the Alva B. Adams <br /> <br />Tunnel. <br /> <br />section <br /> <br />The depletion level used in the Two Forks EIS and <br />7 . <br />. consultatlon was 57,300 AF. <br /> <br />The 1965 normalized diversion through the Adams Tunnel <br />was 243,150 acre-feet. The 1980-1989 average annual <br />diversion through the Adams Tunnel was 235,640 acre-feet. <br /> <br />The ma~imum annual diversion through the Adams Tunnel since <br />comple~ion of the Colorado-Big Thompson Project in 1947 was <br /> <br />-7- <br /> <br />. <br />
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