7886

• UCREFRP Catalog Number: 7886
• Author: Hydrosphere Resource Consultants.
• Title: Yampa River Basin Recommended Alternative, Detailed Feasibility Study
• USFW Year: 1995.
• USFW - Doc Type: Final Report.
• Copyright Material: NO

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TABLE OF CONTENTS
EXECUTIVE SUMMARY'
S-1
INTRODUCTION ...................................................................
...............................................................................
Background S-1
.........
.
Objectives of Present Study ....................... S-1
.............................................
RESERVOIR OPERATIONS STUDIES .......... . S-2
Overview of Methodology ......................................................................
Preliminary Flow Recommendations at Maybell .................................. S-2
S-2
Current Conditions Analysis . .......... . S-3
Future Conditions Without Project ............................................................ S-5
Future Conditions With Project .............................................. SS
SITE CHARACTERISTICS .................................................... ................. S-6
Geotechnical Conditions ......................................................................... S-6
Hydrology and Sediment Movement .......................................................... S-6
PRELIMINARY DESIGN . . S-7
Dam Embankment ................................................................................ S-7
.
Outlets and Spillways ...................... S-7
......................................................
DEVELOPMENT PLAN .................... . S-7
Permits and Acquisitions ........................................................................
.
Development Schedule S-7
S-9
..........................................................................
Cost Estimate . . S-9
ENVIRONMENTAL IMPACTS AND MITIGATION ....................................... S-9
CHAPTER 1 - INTRODUCTION
BACKGROUND .....................................................................................
PREVIOUS BASIN STUDY ...................................................................... 1-1
1-2
CURRENT BASIN STUDY ....................................................................... 1-3
EXISTING ELKHEAD RESERVOIR ........................................................... 1-3
ORGANIZATION OF REPORT ................................................................. 1-6
CHAPTER 2 - RESERVOIR OPERATING STUDIES
OVERVIEW OF OPERATIONS STUDIES .................................................... 2-1
YAMPA RIVER BASIN MODEL ................................................................ 2-2
Background ........................................................................................
Hydrology .......................................................................................... 2-2
2-2
Water Demands ................................................................................... 2-3
Water Rights .......................................................................................
Reservoir Operations ............................................................................. 2-5
2-7
EARLY OPERATING STUDIES ................................................................ 2-9
Studies of the Juniper Contemplated Draft ................................. .................. 2-9
Studies to Define an Environmental Baseline at Maybell ................................. 2-10
Preliminary Flow Recommendations at Maybell ............................. .... 2-10
FINAL OPERATIONS STUDIES FOR THE ENLARGED
ELKHEAD RESERVOIR ................................................................................. 2-12
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