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<br />r <br /> <br />ChaDter <br /> <br />rr <br /> <br />TABLE OF CONTENTS (continued) <br /> <br />Palle No. <br /> <br />2.5 <br /> <br />2.4.2.2 Purgatory Dam Site .................................... 2-91 <br />2.4.2.3 Teft Diversion Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-91 <br />2.4.2.4 Bondad Dam Site ...................................... 2-92 <br />2.4.2.5 Cedar Hill Dam Site ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-92 <br />2.4.2.6 Aztec Dam Site. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-92 <br />DESCRIPTION OF ALTERNATIVES SELECTED FOR FURTHER <br /> <br />REFINEMENT ...................................................... 2-92 <br />2.5.1 Refined Alternative 4 ........................................... 2-93 <br />2.5.1.1 Water Supply of Refined Alternative 4 ..........,.......... 2-94 <br />2.5.1.1.1 Source and Amount of Water Supply ........... 2-94 <br />2.5.1.1.2 Depletion of San Juan River Basin Water Supply. . 2-94 <br />2.5.1.2 Operational Requirements of Refined Alternative 4 ...........2-97 <br />2.5.1.2.1 Project Operation. .. ..... . . ...... . ........ ..2-97 <br />2.5.1.2.2 Project Power. . . . . .. .. .. . . . .. . . . . . . . . . . . .. . 2-97 <br />2.5.1.2.3 San Juan River Basin Recovery Implementation <br /> <br />Program ............................................. 2-97 <br />2.5.1.2.4 Filling Period of Ridges Basin Reservoir...... ..2-98 <br />2.5 .1.3 Structural Components and Associated Features of Refined <br />Alternative 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-98 <br />2.5.1.3.1 Durango Pumping Plant and Ridges Basin Inlet <br />Conduit..................................2-98 <br />2.5.1.3.2 Ridges Basin Darn and Reservoir ............. 2-104 <br />2.5.1.3.3 Navajo Nation Municipal Pipeline ............2-105 <br />2.5.1.3.4 Electrical Transmission Lines. ...... . ... . ....2-116 <br />2.5.1.3.5 Ridges Basin Reservoir Recreation Elements. . . . 2-116 <br />2.5.1.3.6 Relocations.............................. 2-117 <br />2.5.1.3.7 Construction Program ......................2-118 <br />2.5.1.3.8 MitigationMeasures .......................2-123 <br />2.5.1.3.9 Total Costs for Refined Alternative 4 ..........2-123 <br />2.5.1.4 Description of Non-Structural Component of Refined <br />Alternative 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-124 <br />2.5.1.4.1 Amount of Land Purchased in Various River <br /> <br />Basins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-124 <br />2.5.1.4.2 Implementation Schedule for Purchase of Land for <br />Refined Alternative 4. . . . . . . . . . . . . . . . . . . . . . . 2-125 <br />2.5.1.5 Conveyance Options to Deliver Municipal and Industrial <br />Water to Future Non-Binding End Uses ................... 2-125 <br />2.5.1.6 Land Requirements for Non-Binding Future Water Use....... 2-131 <br />2.5 .1.6.1 Conveyance Pipelines and Associated Facilities. . 2-133 <br />2.5.1.6.2 Construction Procedures and Impacts.. ........2-135 <br />2.5.2 Refined Alternative 6 .......................................... 2-139 <br />2.5.2.1 Water Supply for Refined Alternative 6. . . . . . . . . . . . . . . . . . . . 2-139 <br />2.5.2.1.1 Sources and Amount of Water Supply .........2-139 <br />2.5.2.1.2 Depletion of San Juan River Water Supply. . . . . . 2-139 <br />2.5.2.2 Development of Component of Refined Alternative 6 <br />Commensurate with Refined Alternative 4 for Developing up to <br />57,100 afy of Depletions to Serve M&I Needs .............. 2-143 <br />2.5.2.2.1 Purchase of Land and Water Rights to Yield <br />17,432 afY of Depletions .................... 2-143 <br /> <br />v <br />