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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 />6 <br /> <br />.... " ,', { , <br />Chapter 1.0 Purpose of and Need for Aolion .j Ji. I, <br /> <br />habitat, endangered razorback sucker with critical habitat, endangered southwestern <br />willow flycatcher without critical habitat, and threatened (proposed delisted) bald eagle <br />without critical habitat. The U.S. Fish and Wildlife Service (Service) concurred with <br />Reclamation's determination that a 2 percent change in the long-term frequency of <br />occurrence of 8.23 maf annual flows from Glen Canyon Dam as a result of Interim <br />Surplus Criteria "may affect, but is not likely to adversely affect the above mentioned <br />listed species or their critical habitat." The Service also concurred with Reclamation's <br />determination that a change in the long-term average frequency of beach!habitat- <br />building Flows (BHBF) through the Grand Canyon from 1 in 5 years, to 1 in every 6 <br />years with the adoption of Interim Surplus Criteria "may affect, but is not likely to <br />adversely affect listed species or adversely modify their critical habitat" given that <br />BHBF's are not required to remove jeopardy to native fish, nor required to minimize <br />incidental take, and have not proven critical to the survival or recovery of native fishes. <br /> <br />1.3 DECISIONS NEEDED AND PERMITS REQUIRED <br /> <br />The decision to be made by the joint lead agencies as the result of this EA will be one <br />of the following: <br /> <br />. Finding of No Significant Impact (FONSI) <br />. Prepare an Environmental Impact Statement <br />· Withdraw the Proposed Action <br /> <br />A variety of permits would need to be issued should the Proposed Action be <br />implemented. The NPS is responsible for decisions relating to the issuance of special use <br />permits for research and monitoring activities proposed within the boundaries of Glen <br />Canyon National Recreation Area and Grand Canyon National Park. <br /> <br />Any proposed activities related to this environmental assessment that would <br />necessitate entry onto the Hualapai Indian Reservation or the Navajo Nation would <br />require permits from the tribes and possibly from the U.S. Bureau of Indian Affairs. <br /> <br />All persons working with threatened or endangered species would have to obtain <br />permits from the Service. The Service will issue a biological opinion on the Proposed <br />Action. <br /> <br />The Arizona State Historic Preservation Officer, the Hualapai and Navajo Tribal <br />Historic Preservation Officers, and the Advisory Council on Historic Preservation are <br />being consulted on the proposed determination of effect for historic properties. <br /> <br />Researchers working with resident fish or wildlife species would need an Arizona <br />Game and Fish Department permit. No other permits would be required. <br />
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