7850

• UCREFRP Catalog Number: 7850
• Author: Hydrosphere Resource Consultants.
• Title: Yampa River Basin Recommended Alternatives, Detailed Feasibility Study
• USFW Year: 1994.
• USFW - Doc Type: Draft.
• 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
Current Conditions Analysis .................................................................... S-3
Future Conditions Without Project ........................................................... S-5
Future Conditions With Project ................................................................ S-5
SITE CHARACTERISTICS ....................................................................... -
S-6
Geotechnical Conditions .........................................................................
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 ........................................................................ S-7
Development Schedule ........................................................................... S-9
Cost Estimate ...................................................................................... S-9
ENVIRONMENTAL IMPACTS AND MITIGATION ....................................... S-9
CHAPTER 1 - INTRODUCTION
BACKGROUND ..................................................................................... 1-1
PREVIOUS BASIN STUDY ...................................................................... 1-2
1-
CURRENT BASIN STUDY .......................................................................
EXISTING ELKHEAD RESERVOIR .... :...................................................... 1-3
ORGANIZATION OF REPORT ................................................................. 1-6
CHAPTER 2 - RESERVOIR OPERATING STUDIES
OVERVIEW OF OPERATIONS STUDIES .................................................... 2-1
2-
YAMPA RIVER BASIN MODEL ................................................................
2-
Background ........................................................................................
2-
Hydrology ..........................................................................................
2-
Water Demands ...................................................................................
Current Potential Demands .................................................................... 2-3
Projected Future Demands ................................................................... 2-4
Water Rights ....................................................................................... -
2-
Reservoir Operations .............................................................................
2-
Stagecoach Reservoir ..........................................................................
2-
Steamboat Lake .................................................................................
Elkhead Reservoir ............................................................................. 2-8