Download the Final EIS


Vol. I – Final Environmental Impact Statement (PDF, 18 MB)

Vol. II – Appendices for Final Environmental Impact Statement (PDF, 26 MB)

Vol. III – Responses to Public Comments

·        Summary and Commenter Tables (PDF, 176 KB)

(Note on Commenter Table in the Summary: The table with commenters' names is linked to their actual comment. Some users may be able to click on a commenters name in the table to retrieve that particular comment. To do so, however, will require downloading and saving this file, and the next four files, into the same folder)

·        Federal, State and Local agency comments (PDF, 32 MB)

·        Tribal agency comments (PDF, 33 MB)

·        Special Interest comments (PDF, 38 MB)

·        Individual comments (PDF, 48 MB)

·        Appendices to Vol. III - Table of Contents (PDF, 175 KB)

o   Appendix AA 1 (PDF, 3 MB)

o  Appendix AA2 (PDF, 18 MB)

o   Appendix AA3 (PDF, 6 MB)

o   Appendix AA 4 (PDF, 15 MB)

o   Appendix AA 5 (PDF, 6 MB)

o  Appendix AA6 (PDF, 29 MB)

o   Appendix AB Vol. I FEIS (PDF, 26 MB)

o   Appendix AB Vol. 2 Appendices (23 MB)

  Individual sections of the FEIS are separated into smaller file sizes for faster downloads:

Vol. I – Final Environmental Impact Statement


Vol. II – Appendices to the Final Environmental Impact Statement (PDF file sizes range from 1 to 9 MB)

 Vol. III – Response to Comments (file size range from 2 to 9 MB)




Download the Draft EIS/EIR (September 2011)

 Complete Draft EIS/EIR (PDF, 50 MB) 

Complete Appendices of the Draft EIS/EIR (PDF, 42 MB)

For faster download and viewing, please select each component of the Draft EIS/EIR individually:

01 Abstract
02 Executive Summary
03 Table of Contents

04 List of Abbreviations

1 Introduction
2 Proposed Action and Description of Alternatives

EIS/EIR Section 3

3.1 Introduction
3.2 Water Quality
3.3 Aquatic Resources
3.4 Algae
3 5 Terrestrial Resources
3.6 Flood Hydrology
3.7 Groundwater
3.8 Water Supply_Water Rights
3.9 Air Quality
3.10 Greenhouse Gases_Global Climate Change
3.11 Geology Soils and Geologic Hazards
3.12 Tribal Trust
3.13 Cultural and Historic Resources
3.14 Land Use_ Agricultural_and_Forest_Resources
3.15 Socioeconomics
3.16 Environmental Justice
3.17 Population and Housing
3.18 Public Health and Safety
3.19 Scenic_Quality
3.20 Recreation
3.21 Toxic_Haz_Materials
3.22 Traffic_and_Transportation
3.23 Noise_and_Vibration 

4 Cumulative Effects 

5 Other Required Disclosures 

6 Compliance with Applicable Land 

7 Consultation and Coordination 

8 List of Preparers and Contributors 

9 Glossary

Appendix A Final_Alternatives_Report
Appendix B SOPs and BMPs Common to Action Alternatives
Appendix C WQ Supporting Technical Information
Appendix D EnviroEffDet_MethSupInfo
Appendix E Fisheries SSC
Appendix F Bedload Sediment
Appendix G Vegetation Communities and Habitat Types Mapped by PacifiCorp
Appendix H Special-Status Species Surveys Conducted by PacifiCorp
Appendix I Special-Status Species Table
Appendix J Modeled Changes to the 100 year Floodplain
Appendix K Groundwater
Appendix L Water Rights
Appendix M Air Quality Impacts
Appendix N GHG Final Spreadsheets
Appendix O County Economic Descriptions
Appendix P KBRA IMPLAN Analysis
Appendix Q Aesthetics_Visual Resources Technical Report
Appendix R Recreation Data Input
Appendix S Transp and Circ Analysis Data
Appendix T 2020 Traffic Volume Projections
Appendix U Noise and Vibration Impact Analysis