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WSP00881
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Last modified
1/26/2010 12:28:16 PM
Creation date
10/11/2006 9:59:57 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8220.105.I
Description
Colorado River-Water Projects-Navajo-Environmental Studies
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
12/21/2001
Title
Navajo Dam EIS-Preliminary Draft-US Army Corps of Engineers Comments
Water Supply Pro - Doc Type
Report/Study
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<br />09:54am From- <br /> <br />T-I!3 P.D03/DD4 F-4IT <br /> <br />COlIlDlents on the PDEIS on Navajo Reservoir Operations <br /> <br />Page 1-1, Une 31 <br />Add: :w cDll"t:1't with this proposed action, the; CClpS cfEI:gineers (Corps) win revise the <br />safe channel capacity described in the Navajo Dam and Reservoir Water Control ManuaL <br /> <br />Page 1-7, Line 176 <br />Suggest you insert a description of the channel capacity study conducted by Rec1amation <br />and the Corps, dated August 1998, along with a Da1T8livc: ofthc: results. <br /> <br />Insert: By letter from the Corps to Reclamation, dated December ~ 2001, the Corps has <br />determined that the current "hanno.l capacity for the San JUBIl River i=ediately below <br />Navajo Dam is 5,000 cfs. <br /> <br />Page 1-8, Line 250 <br />Add: The Corps feels that flood control regulation at Navajo Reservoir is a comected <br />action because the maximum release from the dam in support of the flow <br />recommendations must be consistent with the Corps' designation of safe channel <br />capacity. <br /> <br />Page 1-9, Line 277 (at bottom) <br />/Insert: Code of Federal Regulations, Title 33, Pa:t 208.11, Regulations for use of storage <br />allocated for. flood control or navigation of reservoirs construCted wholly or in part with <br />Federal funds. <br /> <br />r-- <br /> <br />Page 1-13, Line 393 <br />Insert "S"mm9ry Report, Channel Capacity Below Navajo Dam and the Potential for <br />Increasing it to 6,000 cfs". <br /> <br />Page n-4, Line 146 , <br />Insert: Operate Navajo Dam to provide flood protection for areas along the SlU1 Juan <br />River downstream from the dam. The "},,....""! capacity as defined in Navaio Dam 9ntl <br />Reservon-. San In'''' River Basin. Colorado and New Mexico. Reoort on Reservon- <br />Regulation for Flood Control (soon to be revised) is 16,000 cis immediately downstream <br />fromNavajo Dam. By letter from the Corps to Reclamation, dated December 6,2001, <br />the Corps has determined that the current safe channel capacity for this relich. is 5,000 cfs. <br /> <br />Page n-21, Line 735 <br />Change: '01999" to "1998" <br /> <br />Page n-21, Line 736 <br />Change: "increasing channel capacity" to ""hllT1nel and diversion improvements" <br /> <br />Page n-21, Line 739 <br />Add: By letter to Reclamation, dated December 6, 2001, the Corps has detemtined that <br />the c:urrent safe channel capacity for this reach is 5,000 cis. <br /> <br />01066. <br />
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