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WSP08403
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Last modified
1/26/2010 2:48:02 PM
Creation date
10/12/2006 2:58:08 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.17
Description
Glen Canyon Dam/Lake Powell
State
AZ
Basin
Colorado Mainstem
Date
1/1/1999
Author
BOR
Title
GCD Modifications to Control Downstream Temperatures: Plan and Draft Environmental Assessment
Water Supply Pro - Doc Type
EIS
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<br />Chapter III Affected Environment and Environmental Consequences 27 <br /> <br /> Hite Bullfrog <br /> 0 0 <br /> 100 100 <br />~ ~ <br />= = <br />~200 ~200 <br />.J::. .J::. <br />- - <br />5boo lir 300 <br />0 _Without Controls 0 <br /> 400 o With Controls 400 <br /> 500 , , 500 <br /> 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 <br /> Temperature (OC) Temperature (OC) <br /> Cha Canyon Wahweap <br /> 0 0 <br /> 100 100 <br />~ ~ <br />= = <br />~200 ~200 <br />.J::. .J::. <br />- - <br />lir300 lir 300 <br />0 0 <br />400 400 <br /> <br /> <br /> <br />500 500 <br />o 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 <br /> <br />Temperature (OC) Temperature (OC) <br />Figure 8 - Lake Powell temperatures in December assuming the release of 15 oC water for <br />140 days to assess maximum impact. Actual releases would likely be much less (30-60 <br />days). The locations in Lake Powell include: Hite (mainstem inflow area), Bullfrog main <br />arm), Cha Canyon (San Juan arm), and Wahweap (near dam). <br />
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