FLOOD02242

• County: Gunnison
• Community: Uncompahgre Valley
• Basin: Gunnison
• Title: Uncompahgre Valley Reclamation Project - Hydropower - Part 1 - Final Environmental Impact Statement
• Date: 8/28/1990
• Floodplain - Doc Type: Project

TABLE OF CONTENTS (Continued)

FIGURES

Page

Frontispiece Map

SUMMARY

S-l Schematic of AB Lateral Project (looking south
towards San Juan Mountains) . . . . S-2
S-2 Summer operation of AB Lateral Project
(looking south) . . . 8-3
S-3 winter operation of AB Lateral Projeet
(looking south) . S-4

CHAPTER 1

PURPOSE AND NEED

1.1 Uncompahgre Valley Reclamation Project
1.2 Gunnison River Basin. . . . . . . . .

8
10

CHAPTER 2

ALTERNATIVES INCLUDING PROPOSED ACTION

2.1
2.2
2.3

2.4
2.5
2.6

2.7
2.8a

2.8b

2.9

Location of project features .. .
Proposed modification to AB Lateral
Selected and alternative penstock
alignments . . .
Plan of powerhouse site .
Tailrace details .
Proposed location of transmission
line
Bank stabilization plan and details
Proposed bank stabilization locations for the
Uncompahgre River between Delta and Olathe
(AB Lateral Project; 36 planned sites)
Proposed bank stabilization locations for the
Uncompahgre River between Olathe and Montrose
(AB Lateral project; 30 planned sites)
Location of Alternative G (South Canal sites)

25
27
29
31
32
33
37

40

41
64

CHAPTER 3

AFFECTED ENVIRONMENT AND ENVIRONMENTAL CONSEQUENCES

3.1

3.2
3.3

General area map, Uncompahgre Reclamation

Project . . . . . . . . . . . . .
Gunnison Gorge area . . . . . . . . . . .
Flow duration curve of historic flow data
(Gunnison River below Gunnison Tunnel
for the period 1903 through 1988)

78
79

85

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