Animas-La PLata Project Environmental Impact Statement

TABLE OF CONTENTS (continued)
Chapter
Page No.
4.4.3 Short-term Use of Resources ...... ........:...................... 4 -12
4.5 IRREVERSIBLE AND IRRETRIEVABLE COMMITMENTS OF
RESOURCES . 4 -12
4.6 ENVIRONMENTAL JUSTICE AND INDIAN TRUST ASSETS ............... 4 -14
4.6.1 Indian Trust Assets ............................................. 4 -14
4.6.2 Environmental Justice ........ ............................... 4 -15
4.6.3 Affected Environment ............................................ 4 -16
.4.6.3.1 Colorado Ute Tribes ..... ............................... 4 -16
4.6.3.2 Navajo Nation ......................................... 4 -16
4.6.3.3 Jicarilla Apache Tribe ... ............................... 4 -16
4.6.3.4 Affected Environment - Water ............................ 4 -16
4.6.3.4.1 Colorado Ute Tribes ........................ 4 -16
4.6.3.4.2 Navajo Nation ............................. 4 -17
4.6.3.4.3 Jicarilla Apache Tribe ...................... 4 -19
4.6.3.5 Affected Environment - Trust Lands ....................... 4 -19
4.6.3.5.1 Colorado Ute Tribes ........................ 4 -19
4.6.3.5.2 Navajo Nation ............................. 4 -21
4.6.3.6 Affected Environment - Mineral Resources .................. 4 -21
4.6.3.6.1 Colorado Ute Tribes ........................ 4 -21
4.6.3.6.2 Navajo Nation ............................. 4 -21
4.6.3.7 Affected Environment - Hunting Rights .................... 4 -22
4.6.3.7.1 Colorado Ute Tribes ........................ 4 -22
4.6.4 Environmental Consequences ..................................... 4 -22
4.6.4.1 Indian Trust Assets - Significance Criteria .................. 4 -22
4.6.4.2 Environmental Justice - Significance Criteria ................ 4 -22
4.6.4.3 Impact Analysis ........ ............................... 4 -23
4.6.4.3.1 Refined Alternative 4 ........................ 4 -22
4.6.4.3.2 Refined Alternative 6 ........................ 4 -31
4.6.4.3.3 No Action Alternative ....................... 4 -33
4.7 BIODIVERSITY AND SUSTAINABELITY ......... , ............. 4 -34
5 PURPOSE AND NEED, RECOMMENDATIONS AND COMMITMENTS ........... 5-1
5.1 INTRODUCTION . 5 -1
5.2 EXPLANATION OF PURPOSE AND NEED ............................. 5 -1
5.2.1 Purpose and Need Factors ........................................ 5 -1
5.2.1.1 Yield .. ....... ............................... . 5 -2
5.2.1.2 Practicability ............ ............................... 54
5.2.1.2.1 Socioeconomic Issues ........................ 5-4
5.2.1.2.2 Changes in Water Use ........................ 5 -5
5.2.1.2.3 Timing ..... ............................... 5 -5
5.2.1.2.4 Indian Trust Assets .......................... 5 -6
5.2.2 Conclusion 5 -7
5.2.3 Clean Water Act Analysis .... 5 -7
5.3 RECOMMENDATION OF THE PREFERRED ALTERNATIVE , 5 -8
5.4 ENVIRONMENTAL COMMITMENTS .................... ........ 5 -10
5.4.1 General Commitments 5 -10
5.4.2 Water Resources and Hydrology Commitments ....................... 5 -11
5.4.3 Water Quality Commitments 5 -11
5.4.4 Vegetation Commitments ........ ............................... 5 -11
xviii