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

TABLE OF CONTENTS (continued)

Chanter 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 JicarillaApacheTribe..........................,....... 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 JicarilIa 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 hnpact Analysis ........,............,...,............. 4-23
4.6.4.3.1 Refmed Alternative 4 ..........,............,4-22
4.6.4.3.2 Refmed Alternative 6 .. .. .. . . .. . . . . .. . .. .. . .. 4-31
4.6.4.3.3 No Action Alternative ....................... 4-33
4.7 BIODIVERSITY AND SUSTAlNABILITY ...............................4-34

5 PURPOSE AND NEED, RECOMMENDATIONS AND COMMITMENTS........ .. . 5-1

I

5.3
5.4

I

5.1
5.2

INTRODUCTION....,................................................ 5-1
EXPLANATION OF PURPOSE AND NEED ................,..,......,..,. 5-1
5.2.1 PuzposeandNeedFactors.........,........,...,.,..... ..........5-1

5.2.1.1 Yield. .. . . . . . . . . . .. .. . .. . . . . . . .. . , .. . . , . . . . . . . .. .. , . .. 5-2
5.2,1.2 Practicability. , . . . .. . .. .. . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . 5-4
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
RECOMMENDATION OF THE PREFERRED ALTERNATIVE ............... 5-8
ENVIRONMElfTALCO~NTS ..... .,....,..... ................. 5-10
5.4.1 General Commitments ,..........,..................,........... 5-10
5.4.2 Water Resources and Hydrology Commitments. . . . . . . . . . , , . . . . . . . . . . . 5-l!
5.4.3 Water Quality Commitments .....".........,.................... 5-11
5.4.4 Vegetation Commitments. . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . .. . 5-l!

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