WSP03336

• File Number: 8220.101.09B
• Description: Glen Canyon Dam/Lake Powell
• State: AZ
• Basin: Colorado Mainstem
• Date: 1/1/1994
• Author: Bear West Consulting
• Title: Operation of Glen Canyon Dam Draft Environmental Impact Statement - Public Comments Analysis Report
• Water Supply Pro - Doc Type: EIS

TABLE OF CONTENTS

CHAPTER THREE: Summary of Public Comments (continued...)

Comments on Elimination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Reregulated flow ............................................ 22
Consideration ......................................... 22

Impacts ............................................. 22
Eliminated Concepts .......................................... 22
Sand Pumping and Beach Protection ......................... 22
Removing the Dam ..................................... 22

Comments on Resources ............................................. 22
Comments Concerning Multiple Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Water .................................................... 23
Water Rights and Delivery ................................ 23
Water Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Conservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Cost. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Sediment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Impacts to Sediment .................................... 24
Sediment Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Lake Powell Sediment ...................... . . . . . . . . . . . . . 25
Other Sediment Issues ................................... 25

fish ..................................................... 25
Native Fish Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Non-native Fish Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Predation ............................................ 26

Vegetation . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . . . . . 27
Definitions ........................................... 27
General Impacts (To All Types of Vegetation) .................. 27
Native Vegetation ....................................... 28
Non-native (Exotic) Vegetation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Marshes and Marsh Vegetation ............................. 28

Habitat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Wildlife and Habitat .......................................... 28
Preservation .......................................... 28

Impacts ............................................. 28
Other. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Endangered and Special Status Species ............................. 29

Legal Mandates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Impacts to Endangered Species ............................. 29
Protection of Endangered Species ........................... 30
Impacts of Endangered Species Issues on the Process . . . . . . . . . . . . . . 30
Cultural Resources ........................................... 30
Site Identification and Importance ........ . . . . . . . . . . . . . . . . . . . 30
Impacts, Protection, and Monitoring. . . . . . . . . . . . . . . . . . . . . . . . . . 31
Management Responsibility - Tribal Responsibilities .............. 3\
Legal Considerations ................... . . . . . . . . . . . . . . . . . 31

Air Quality ................................................ 31