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<br />Chanter
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<br />2.5
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<br />TABLE OF CONTENTS (continued)
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<br />Pae-e No.
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<br />Water Conservation Through Irrigation System Improvement ,.. 2-93
<br />Raising ofVallecito and McPhee Darns . . . . . . . , . . . . . . . . . . . . . 2-93
<br />Availability of Unused Water in McPhee Reservoir and
<br />ValIecito Reservoir ................................,... 2-94
<br />2.4.2 Structural Components Eliminated ..,..........,.................. 2-94
<br />2.4.2.1 HowardsvilIe Darn Site. . . . . . . . . . . . , . . . . . . . . . . , .. . . . . .. . . 2-94
<br />2.4.2.2 Purgatory Darn Site ..................................,. 2-95
<br />2.4.2.3 TeftDiversion Site. . .. .. . . .. . . .. . . . . . . . . . . . . . . . . . .. . . . . 2-95
<br />2.4.2.4 Bondad Darn Site ...........,.......................... 2-95
<br />2.4.2.5 Cedar HilI Darn Site . . . . .. . . . .. . . . . . .. . . . . . . . . .. . .. . . .. . 2-95
<br />2.4.2.6 Aztec Darn Site. . . . . .. . .. . . . . . .. . . . . , . . . , . . . . . .. .. . , . , . 2-95
<br />DESCRIPTION OF ALTERNATNES SELECTED FOR FURTHER
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<br />REFINEMENT ,...,........,...............".....,......,........,. 2-96
<br />2.5.1 Description of Refined Alternative 4 .. . . . . . . . . . . . . . . . . . . . . . . . , . , . . . 2-96
<br />2.5. I.I Water Supply ofRefmed Alternative 4 .,................... 2-98
<br />2.5.Ll.I Source and Amount of Water Supply ...........2-98
<br />2.5.1.1.2 Depletion of San Juan River Basin Water Supply.. 2-98
<br />2.5.1.2 Operational Requirements ofRefmed Alternative 4 .......,..2-101
<br />2.5.1.2.1 Project Operation.. .. . .. . . . . . . . .. . . . . .. . . . . 2-101
<br />2.5.1.2.2 Project Power. . , . . . . . . . . . . . , . . . . . . , . . . . , . , 2-101
<br />2.5.1.2.3 San Juan River Basin Recovery Implementation
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<br />Program. . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . 2-101 ,
<br />2.5.1.2.4 Filling Period of Ridges Basin Reservoir .......2-102
<br />2.5.1.3 Structural Components and Associated Features of Refined
<br />
<br />Alternative 4 ...........,.......................,.....2-102
<br />2.5.1.3.1 Ridges Basin Darn and Reservoir ..,.......... 2-102
<br />2.5.1.3.2 DurangoPurnpingPlant.,..,....,.......... 2-106
<br />2.5.1.3.3 Ridges Basin Inlet Conduit ,................. 2-109
<br />2.5.1.3.4 Navajo Nation Municipal Pipeline ............2-110
<br />2.5.1.3.5 Electrical Transmission Lines. . . . . . . . . . . . . . . . 2-110
<br />2.5.1.3.6 Ridges Basin Reservoir Conservation Pool for
<br />Water Quality and Recreation. . . . . . . , . . . . . . . . 2-110
<br />2.5.1.3.7 Utility and Transportation Relocations. . . . . . . . . 2-111
<br />2.5.1.3.8 Cultural Resources Mitigation. . . . . , . . . . . . . . . . 2-115
<br />2.5.1.3.9 Wetlands, Fish and Wildlife Mitigation ...,.... 2-115
<br />2.5.1.4 Description of Non-Structural Component of Refined
<br />Alternative 4 . .. . . . . . . . .. , . . .. . , . , . . . . .. . . . .. .. . , . . .. . 2-116
<br />2.5.1.4.1 Time Frarnefor Purchase of Water Rights...... 2-116
<br />2.5,1.4.2 Procedure for Detennining Land to be Purchased. 2-116
<br />2.5.1.4.3 Amount of Land Purchased in Various River
<br />
<br />Basins. . . , . .. .. .. . . . . . . . . . , . . .. .. . . . .. . . . 2-117
<br />2.5.1.5 Conveyance Options for Refined Alternative 4 to Deliver
<br />Municipal and Industrial Water to Future Non-Binding End
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<br />Uses .....,..,........,....,.,.,.................... 2-117
<br />2.5.1.6 Total Costs and Development Program for Refined
<br />
<br />Alternative 4 .............,...................,....,..2-123
<br />2.5.1.6.1 Costs for Refmed Alternative 4 ............... 2-123
<br />2.5.1.6.1.1 Capital Costs ................ ....2-123
<br />2.5.1.6.1.2 Annual Operating Costs........... 2-125
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<br />2.4. I.I
<br />2.4.1.2
<br />2.4.1.3
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