WSP09693

• File Number: 8220.106
• Description: Animas-La Plata
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 7/1/2000
• Title: Final Supplemental Environmental Impact Statement - Volume 1
• Water Supply Pro - Doc Type: EIS

Chanter

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2.6

2.7

TABLE OF CONTENTS (continued)

Pal!e No.

2.5.1.6.2 Development Program. . . . . . . . , . . . . . . . . . . . . . 2-127
2.5.2 Description of Refined Alternative 6 .............................. 2-129
2.5.2.1 Water Supply for Refined Alternative 6 . . .. . . . . . . . . . . . . . . , . 2-130
2.5.2.1.1 Sources and Amount of Water Supply ....,..,.2-130
2.5.2.1.2 Depletion of San Juan River Water Supply. , . , . . 2-130
2.5.2.2 Development of Component ofRefmed Alternative 6
Commensurllte with Refmed Alternative 4 for Developing up
to 57,100 afy of Depletions to Serve M&I Needs ............ 2-130
2.5,2.2.1 Purchase of Land and Water Rights to Yield
17,432 afy of Depletions .....,.. ,..... ......2-130
Coordinated Operation of Existing Storage
Reservoirs with Streamflows for Increased
Availability of Water under Refined
Alternative 6 ....................,.....,.. 2-135
Purchase of Storage Space in Red Mesa

Reservoir ................................ 2-136
2.5.2.2.4 Enlarging Lemon Reservoir. . , . . . . . . . . . . . . . . , 2-136
2.5.2.3 Development of Component of Refined Alternative 6 to
Purchase Land and Water Rights for 13,000 afy Depletion
(Commensurllte with the Non-Structural Component ofRefmed
Alternative 4) . . . . . . . . . . . .. . . , . . . . . . . . . . . . . .. , . .. . . , . . 2-137
Cultural Resources Mitigation .......... . . . . . . . . . . . . . . . . . 2-138
Wetlands Mitigation. . . . . . , . . . . . . . . . . . . , . .. . . . . . . , . . . . . 2-138
Navajo Nation Municipal Pipeline, . . . . . . . . . . . . . . . . . . . . . . . 2-139
Conveyance Options to Deliver Municipal and Industrial Water
to Future End Uses . . . . . . . . . . . . .. . . . . . . . . .. . .. . . . , . . . . . 2-139
2.5.2.8 Total Cost and Development Program for Refined

Alternative 6 . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . , . . . . . . 2-143
2.5.2.8.1 Capital Costs .............................2-143
2.5,2.8,2 Annual Costs. . . . . . . . . . . . , . .. . . . . . . .. , . .. . 2-144
2.5.2.8.3 Development Program for Refined Alternative 6 .2-145
2.5.3 Common Elements of Refined Alternative 4 and Refined Alternative 6 . . . 2-147
2.5.3.1 Navajo Nation Municipal Pipeline.. .........,...... ,.....2-147
2.5.3.2 Land Requirements for Non-Binding Future Water Use For
Refmed Alternative 4 and Refmed Alternative 6 . . . . . . . . . . , . . 2-159
2.5.3.2.1 Land Requirements for Future End Uses .......2-159
2.5.3.2.2 Land Requirements for Conveyance Pipelines ...2-159
2.5.3.2.3 Land Requirements for Pumping Plants ........2-162
2.5.3.2.4 Land Requirements for Water Treatment Plants. . 2-163
2.5.3.3 Construction Procedures and Impacts ..,...,.....,....,... 2-163
COMPARISON OF REFINED ALTERNATIVE 4 AND REFINED

ALTERNATIVE 6. . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . , . . . . . . , . . 2-167
RISKS ASSOCIATED W1TH A WATER RIGHTS PURCHASE PROGRAM ...2-167
2.7.1 Risk of Availability of Lands with Senior Water Rights. . , . . . . . . . . . . . . 2-167
2.7.2 Risk Associated with Estimating Rate of Inflation of Land Prices ....... 2-169
2.7.3 Risk Associated with the Assumption There Would Be No Disruption to
Market Prices of Land .........................................2-170
2.7.4 Risk of Encountering Higher Costs Resulting From a Longer
Procurement Period for Land Purchases ....................,...,...2-170

2.5.2.2.2

2.5.2.2.3

2.5.2.4
2.5.2.5
2.5.2.6
2.5.2.7

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