Draft Environmental Impact Statement

Colorado River Interim Surplus Criteria
July 2000

The Draft Environmental Impact Statement has been divided into separate documents for easy download. A PDF reader is required to view these documents.
Front Page
Interested Reader Letter
Table of Contents and Acronyms
I - Introduction and Background
II - Description of Alternatives
III - Affected Environment and Environmental Consequences
     3.01 - Introduction
     3.02 - Potentially Affected Area
     3.03 - River System Operations - Part I
     3.03 - River System Operations - Part II
     3.04 - Water Supply
     3.05 - Water Quality
     3.06 - Riverflow Issues
     3.07 - Aquatic Resources
     3.08 - Special-Status Species
     3.09 - Recreation
     3.10 - Energy Resources
     3.11 - Air Quality
     3.12 - Visual Resources
     3.13 - Cultural Resources
     3.14 - Indian Trust Assets
     3.15 - Environmental Justice
     3.16 - Transboundary Impacts
IV - Other NEPA Considerations
V - Consultation and Coordination
List of Preparers
Distribution List
Attachment A - Long Range Operating Criteria
Attachment B - Dams and Reservoirs Along the Lower Colorado River
Attachment C - Glen Canyon Dam Operation Record of Decision
     Part I
     Part II
Attachment D - Surplus Criteria Proposal by Six States
     Part I
     Part II
Attachment E - Surplus Criteria Proposal by California
Attachment F - Surplus Criteria Proposal by Pacific Institute
Attachment G - Lower Division Depletion Schedules
Attachment H - Draft Interim Surplus Guidelines
Attachment I - Detailed Modeling Documentation
Attachment J - Upper Division Depletion Schedule
Attachment K - Sensitivity Analysis OF Shortage Assumptions
Attachment L - Comparison of Colorado River Flows
Attachment M - Water Supply for Lower Division States
Attachment N - Energy Analysis Worksheets
Attachment O - Ten Tribes Depletion Schedule
Attachment P - Public Scoping Process
Attachment Q - Consultation with Mexico

Please contact the Water Operations Control Center via e-mail at bcoowaterops@usbr.gov or via phone at (702) 293-8373 for additional questions or information.

Last Updated: 12FEB2018