8211

• UCREFRP Catalog Number: 8211
• Author: U.S. Bureau of Reclamation and Fish and Wildlife Service.
• Title: Final Environmental Assessment
• USFW Year: 1997.
• USFW - Doc Type: Providing Fish Passage at the Grand Valley Irrigation Company diversion Dam on the Colorado River.
• Copyright Material: NO

APPENDIX A
BACKGROUND MATERIAL ON THE ENDANGERED FISHES ............. A-1
APPENDIX B
WATER SUPPLY AND HYDROLOGY ISSUES ........................... B-1
Fish Passage Structure Water Supply ..................................... B-1
Historic Flows ....................................................... B-1
Opportunities to Enhance River Flows .................................... B-4
Water Supply for Upstream Fish Passage Structures .......................... B-5
Price-Stubb Dam ..............................................B-5
Grand Valley Project Diversion Dam ............................... B-6
APPENDIX C
DISTRIBUTION LIST FOR FINAL ENVIRONMENTAL ASSESSMENT ....... C-1
APPENDIX D
SUMMARY OF CONSTRUCTION, OPERATION, AND MAINTENANCE
AGREEMENTS ....................................................D-1
FIGURES
1 Artists Rendition of Proposed Fish Passage .................................... 9
2 Preferred Alternative ...................................................10
TABLES

1 Summary of Potential Impacts Associated with Two Alternatives ..................21
B-1 Calculated Mean Monthly Flows in the Colorado River above Grand Valley
Irrigation Company's Diversion Dam Historically Available for Fish Passage ........B-2
B-2 Passage with and without a Fish Passage Structure Using Data for 1930 - 1986 ......B-5