C150094 Phase I Report

• Contract/PO #: C150094
• Contractor Name: La Plata Water Conservancy District
• Contract Type: Grant
• County: La Plata
• Loan Projects - Doc Type: Report

TABLE OF CONTENTS
Page
1.0 INTRODUCTION 1
1.1 Study Objective and Scope 1
1.2 Project Location and Description 2
1.3 Project Purpose 3
1.4 Project Need 3
1.5 Water Rights 4
1.6 Comparison of LHR Project with Red Mesa Ward Reservoir Enlargement 5
1.7 Report Organization 5
2.0 REVIEW OF EXISTING DATA 5
3.0 TOPOGRAPHY 7
4.0 GEOLOGIC RECONNAISSANCE 7
5.0 GROUNDWATER HYDROLOGY 8
6.0 REGULATORY AND INSTITUTIONAL ISSUES 9
6.1 NEPA 9
6.2 T&E Species _ 9
6.2.1 Federally Listed Species Considered and Evaluated 9
6.2.2 Sensitive Species 10
6.2.3 San Juan River Basin Recovery Implementation Plan 10
6.2.4 Summary of Conclusions of T&E Species Evaluation 11
6.3 Wetlands 11
6.3.1 Direct Impacts 12
TABLE 3 12
6.3.2 Preliminary Wetlands Mitigation Plan 12
6.3.3 Permitting 13
6.4 Cultural Resources 13
6.5 Local Consultations 14
6.6 Indian Trust Assets 16
6.7 Findings of Regulatory and Institutional Investigations 16
7.0 WATER QUALITY 16
8.0 RESERVOIR OPERATIONS, RIGHTS-OF-WAY, COST AND FINANCING 17
8.1 Water Allocation and Reservoir Operations 17
8.2 Payment Issues 19
8.3 Rights-of-Way 19
8.4 Reconnaissance-Level Opinion of Cost and Financing 20
9.0 SUMMARY OF FEASIBILITY STUDY FINDINGS 21
10.0 PHASE I AND RELATED STUDIES 23