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WSP11877
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WSP11877
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Last modified
1/26/2010 3:19:10 PM
Creation date
10/12/2006 5:15:09 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.10
Description
Colorado River-Water Projects-Glen Canyon Dam/Lake Powel-Glen Canyon Adaptive Management
Basin
Colorado Mainstem
Water Division
5
Date
9/1/2002
Author
DOI-BOR-NPS-USGS
Title
Proposed Experimental Releases from Glen Canyon Dam and Removal of Non-Native Fish-Environmental Assessment
Water Supply Pro - Doc Type
Report/Study
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<br /> Proposed Action <br /> No Action <br />Resource Alternative <br /> Experimental Dam Releases Mechanical <br /> Removal <br /> 8,000 cis 6,500-9,000 cfs 5,000-20,000 31.000- 42,000-45,000 <br /> steady flow fluctuating flow cfs fluctuating 33.000 cis cfs high flow <br /> flow high flow <br />- -.-- ---- -------- -..-.------- <br /> revenues of on-peak power on-peak power peak power increase in about 93,000 af <br /> $280 million purchase purchase sales. Included power sales of water (ca. <br /> during 2003 - requirements. requirements. in cost of all during 2-day 1 % of annual <br /> 2004 Overall cost of Included in cost sediment input test reiease; output). <br /> autumn of autumn scenarios. off-peak additional <br /> sediment input sediment input would be a power <br /> scenario would scenario. cost, on-peak purchase <br /> be $2.85 million a benefit. requirements <br /> Overall during steady <br /> benefit of 8,000 cfs aerial <br /> habitat photography <br /> maintenance flows included <br /> flow would he in cost of all <br /> $1.15 million_ sediment input <br /> scenarios. <br />Environment No effect No effect No effect No effect No effect No effect No effect <br />alJuslice <br />-------- No effect No effect Temporary ------ <br />Indian Trust No effect Temporary Temporary No effect <br />Assets effect on welling of welling of <br /> Hualapai river- Hualapai raft Hualapai raft <br /> running lake-out area take-out area at <br /> operations at Diamond Diamond Creek <br /> Creek <br /> <br />() <br />::T <br />OJ <br />'0 0 <br />CD <br />~ I-"" <br />~ N <br />0 <br />)> 0 <br />i6' (1) <br />0 <br />CD <br />"- <br />m <br />::J <br />< <br />,,- <br />0 <br />::J <br />3 <br />CD <br />2- <br />OJ <br />::J <br />"- <br />m <br />::J <br />~. <br />~ <br />0 <br />::J <br />3 <br />CD <br />::J <br />Iii <br />() <br />0 <br />::J <br />(f> <br />CD <br />.0 <br />C <br />CD <br />::J <br />0 <br />CD <br />(f> <br />0 <br />::J <br />W <br />'" <br /> <br /> <br />
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