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Colorado River Interim Guidelines for
Lower Basin Shortages and Coordinated Operations
for Lakes Powell and Mead


Draft Environmental Impact Statement
February 2007



Note: All files are formatted as PDF files and require Adobe Acrobat Reader to view.

Document Section File Size
Volume 1 - Cover/Table of Contents 190 KB
     Executive Summary 285 KB
     Chapter 1 - Purpose and Need 464 KB
     Chapter 2 - Description of Alternatives 191 KB
     Chapter 3 - Affected Environment 2.0 MB
     Chapter 4 - Environmental Consequences 2.7 MB
     Chapter 5 - Other Considerations & Cumulative Impacts 93 KB
     Chapter 6 - Consultation and Coordination 116 KB
     Index, References Cited, Acronyms, Glossary and List of Preparers 282 KB
Vol 2- Cover/Table of Contents 153 KB
     Appendix A - CRSS Model Documentation 161 KB
     Appendix B - Colorado River System Facilities & Current River System Operations from Lake Powell to SIB 429 KB
     Appendix C - Upper Basin State Depletion Schedules 32 KB
     Appendix D - Lower Basin State Depletion Schedules 80 KB
     Appendix E - Colorado River Water Entitlement Priority Systems within Arizona, California, and Nevada 65 KB
     Appendix F - Water Quality Modeling Documentation 260 KB
     Appendix G - Shortage Allocation Model Documentation 771 KB
     Appendix H - Socioeconomics Data 261 KB
     Appendix I - Public Outreach, Coordination and Consultation Efforts 2.3 MB
     Appendix J - Seven Basin States Preliminary Proposal Regarding Colorado River Interim Operations - Feb 3, 2006 987 KB
     Appendix K - “Conservation Before Shortage II” Proposal - Jul 7, 2006 1.5 MB
     Appendix L - Federal Register Notices 644 KB
     Appendix M - Modeling Assumptions: Lake Mead Storage & Delivery of Conserved System & Non-System Water 82 KB
     Appendix N - Analysis of Hydrologic Variability Sensitivity 470 KB
     Appendix O - Analysis of Power & Energy Impacts to Glen Canyon Dam, Shortage Criteria EIS 173 KB
     Appendix P - Additional CRSS Modeling Output 3.3 MB

Webmaster: sha-lcr-webcomments@usbr.gov
Updated: February 2007