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WSP06656
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Last modified
1/26/2010 2:23:46 PM
Creation date
10/12/2006 1:47:30 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.19
Description
Glen Canyon Dam/Lake Powell
State
AZ
Basin
Colorado Mainstem
Date
12/3/1996
Title
Impacts of "draining Lake Powell" as proposed by the Glen canyon Institute and David Brower on Thursday - October 31-1996
Water Supply Pro - Doc Type
Report/Study
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<br />DEC- 3-96 TUE <br /> <br />9:24 UPPER COLORADO RIVER COMM <br /> <br />P.01 <br /> <br />FW7 tn1- <br /> <br />.- <br /> <br />Impacts of wd.alninll Lake Powell" IS propo8ld by the alen Canyon Institute and David <br />Brower on Thursday, Ootober 31. \ 996. <br /> <br />Cation I . Completely drain Laka Powell. <br /> <br />This proposal would require the lI.exoavation of tha Colorado River bypass tunnela at <br />Glen Canyon dam so that the entire flow of the Colorado River could be bypasslld. Such a <br />proposal would reault In the total 10$1 of: <br /> <br />e The ability of Utah and the other Upper Basin Statll to depend <br />on Colorado River Wlter to lustaln even prelant level. of <br />population and economic actlvtty. By inte.state compact the <br />Upper Basin States guaranteed delivery of 7.S mef to the Lower <br />Basin in the CoIorldo River Ict of 19.22. Drought period. during <br />the 1930's, 1940's. 1960's Ind 1980's recorded flow It Lae Ferry <br />less than 7.5 million acre feet with a low of 4.4 maf In 1934. <br />Without the carry-over storage in Leke Powell availeble during <br />such times exlnlnCl. use. In the Upper Basin could have been <br />curtailed under the tarm. of the Compact. Without Like Powell <br />storage, dependanoe on the Colorado River to lustaln future growth <br />and economic viability would subject luch growth to great risk of <br />drought and economic hardship. <br /> <br />- <br /> <br />. Over 3600 glgllwan-hours of ellwlcal energy used extlnt,lvely <br />In both the Upper end Lower Basin Stat... <br /> <br />. Flat water recreational benlflts associated with 3 = million villtor <br />daya at Lake Powell. <br /> <br />. Reservoir fishery. <br /> <br />. Cold water (trout) fishery below Glen Canyon dam. <br /> <br />. Stable and predIctable white-water river running activities <br />during period. of hllIh runoH, when flows are greater than <br />46,000 of. for 6 to 10 weeks. <br /> <br />- <br /> <br />f <br />
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