C150307 Final Supplimental Impact Statement

• Contract/PO #: C150307
• Contractor Name: Animas La Plata
• Contract Type: Loan
• Loan Projects - Doc Type: Report

VOLUME 1
TABLE OF CONTENTS
Chapter Page No.
EXECUTIVE SUMMARY ES-1
1 INTRODUCTION,PURPOSE OF,AND NEED FOR THE PROJECT 1-1
1.1 INTRODUCTION 1-1
1.2 PROJECT HISTORY 1-2
1.3 PURPOSE OF AND NEED FOR THE PROJECT 1-9
1.4 OBJECTIVES OF THIS FINAL SUPPLEMENTAL ENVIRONMENTAL I
IMPACT STATEMENT 1-10
1.4.1 Structural Components 1-12
1.4.2 Non-Structural Components 1-12
1.4.3 Future Water Uses 1-13
1.5 RELATIONSHIP OF PROJECT TO OTHER ACTIVITIES OR CONNECTED
ACTIONS 1-13
1.6 ENVIRONMENTAL REVIEW AND CONSULTATION REQUIREMENTS 1-14
1.7 ORGANIZATION OF DOCUMENT 1-15
2 DEVELOPMENT OF ALTERNATIVES 2-1
2.1 INTRODUCTION AND BACKGROUND 2-1
2.1.1 Future Water Uses 2-2
2.1.1.1 Future Water Uses of the Navajo Nation,ALPWCD and SJWC . 2-3
2.1.1.2 Colorado Ute Tribal Future Water Uses 2-4
2.1.1.2.1 Municipal Water Use 2-4
2.1.1.2.2 Industrial Park Water Use 2-7
2.1.1.2.3 Recreation and Tourism Development Water Use . 2-7
2.1.1.2.4 Energy Development Water Use 2-7
2.1.1.2.5 Livestock and Wildlife Water Use 2-7
2.1.1.2.6 Regional Municipal and Industrial Water Supply . 2-8
2.1.1.2.7 Instream Leasing 2-8
2.1.1.3 Summary of Municipal and Industrial Water Uses by Colorado
Ute Tribes and Other ALP Project Beneficiaries 2-8
2.1.1.3.1 Rationale for Using a Fifty(50)Percent Depletion I
Factor For M&I Uses 2-10
2.1.1.4 Future Environmental Compliance 2-10
2.1.1.4.1 Conveyance and Use of Water Associated With
Structural Components 2-11
• 2.1.1.4.2 Conveyance and Use of Water Associated With
Non-Structural Components 2-12
2.1.2 Sources of Water 2-13
2.1.3 Legal and Institutional Constraints to the Purchase of Water Rights for
the ALP Project 2-15
2.1.3.1 Constraints to the Change of Use of Acquired Direct Flow of
Water Rights and Interstate Leasing of Water 2-15