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

Table of Contents
CHAPTER I - INTRODUCTION ............................................... 1
Purpose and Need .............. ......................................1
Background Information ................................................ 1
Recovery Program ......................... .....................1
Colorado River ..................................................2
Endangered Fishes ...............................................2
Habitat Availability Upstream ....................................... 2
Related Projects .......................................................3
CHAPTER II - PROPOSED ACTION AND ALTERNATIVES ........................ 7
Alternatives ............................................ ............7
GVIC Fish Passage ....................................................7
Design ........................................................7
Construction ....................................................8
Operations and Maintenance ....................................... 11
Fish Screens ...................................................12
Alternatives Discarded ................................................. 13
CHAPTER III - AFFECTED ENVIRONMENT AND ENVIRONMENTAL
CONSEQUENCES ...................................................15
General ............................................................15
Overview ...........................................................15
Vegetation and Land Use ............................................... 15
River Flows, Water Rights, and Water Uses ................................. 16
Fish and Wildlife Resources ............................................. 17
Endangered Species .............. ....................................17
Historic and Cultural Resources .......................................... 18
Social, Economic, and Recreation Factors .................................. 19
Indian Trust Assets ................................................... 20
Environmental Justice ................................................. 20
Summary and Environmental Commitments ................................. 21
CHAPTER IV - CONSULTATION AND COORDINATION ........................ 23
General ........................................... ................23
Review Comments on Draft Environmental Assessment ........................ 24
Distribution List ...................................................... 29
REFERENCES CITED ...................................................... 31