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Last modified
1/26/2010 2:29:55 PM
Creation date
10/12/2006 2:44:34 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.101.09.A
Description
Glen Canyon Dam/Lake Powell
State
AZ
Basin
Colorado Mainstem
Date
7/5/1998
Title
CWCB Agenda Item #4, May 14-15-1988-Board Meeting - Glen Canyon Dam Environmental Studies
Water Supply Pro - Doc Type
Board Memo
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<br />" <br />:J <br />','" <br /> <br />DEPARTMENT 01' TJIB INTERIOR <br />BURBAU 01' RECLAMATION <br />GLDl CANYON BHVIRONHBN'l'Al. STUJ)IBS <br />IIp,,.,I, /'1813 <br />This criefing packet presents information on the Glen canyon <br />Environmental studies (GCES), It contains the "Summary and <br />Principal Conclusions" of the GCES Final Report, a brief t 'n <br />chronoloqy of the studies, and a list of products relating t~ -:l~cl:d - <br /> <br />the GCES program, hel'"'ei")'l.. <br /> <br />The GCES program was initiated by the Department of the Inte- <br />rior on December 8, 1982, following considerable public con- <br />troversy which resulted from the proposed peaking power plan <br />and from the Environmental Assessment developed for the <br />uprating and rewinding of the generators at Glen Canyon Dam. <br />The purpose of the GCES program was to determine the short- <br />and long-term environmental impact of Glen Canyon Dam re- <br />leases on the natural and recreational resources of Glen Can- <br />yon National Recreation Area and Grand Canyon National Park. <br />Two primary objectives were defined: <br /> <br />(1) Are current operations of the dam, throuqh control of the <br />flo.. in the Colorado River, adversely affecting the existina <br />river-related environmental and recreational resources of <br />Gln canyon and Grand canyon? ,and <br /> <br />(2) Are there .ays to operate the dam, consistent with <br />Colorado River storage Project .ater delivery requirements, <br />that .ould protect or enhance the environmental and recre- <br />ational resources? <br /> <br />;.:: <br /> <br />(;: <br /> <br />:~~ <br /> <br />t~~ <br /> <br />'.'~ <br /> <br /> <br />The Bureau of Reclamation (as lead agency providing funding <br />and overall management), the National Park Service, and the <br />Fish & Wildlife Service initiated the studies and were joined <br />by the O.S, Geological Survey, Arizona Department of Game and <br />Fish, universities, and private contractors. <br /> <br />;.' <br />;~I.: <br />...,,; <br />~~ <br /> <br />i~ <br /> <br />The GCES Final Report is nQt a National Environmental Policy <br />Act (NEPA) document. It does not address the potential eco- <br />nomic benefits or costs associated with Changes in op- <br />erations, nor has it had full public review. The technical <br />information gathered by the GCES program along with other <br />review reports will be used by the Department of the Interior <br />to determine if operational changes at Glen Canyon Dam can be <br />supported and if those changes can be made within the exist- <br />ing legal and operational parameters of the management of the <br />Colorado River. <br /> <br />-~.. <br />~~~; <br />l:~r. <br />-'" <br />fJ. <br />~~, <br />::~~ <br />;,:'$' <br />:ri; <br />,",-," <br />
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