WSP00401

• File Number: 8443.400
• Description: Narrows Unit - Reports
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 2/1/1978
• Author: US DoI BoR
• Title: Special Report Investigation of Review Issues Narrows Unit Colorado
• Water Supply Pro - Doc Type: Report/Study

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TABLE OF CONTENTS

General Map. . .
List of Tables .
List of Exhibits

SUMMARY. . . . . . . . . . . .
Review Issue Investigations . . . . . . . . . .
Safety of Narrows Dam and Reservoir Seepage.
Flood Control. . . . . . . . . . . . . . . .
Water Quality for Recreation . . . . . . . .
Effects of Narrows Unit on the Platte River

System. . . . . . . . . . . . . .
Ground-Water Recharge Alternative.
Other Items . . . . .
Relocation . . . .
Economic Analysis.

CHAPTER I--INTRODUCTION.
Purpose . . . . . . .
Project Description,
Rev; ew Issues . . . .
State and Local Interest.
Cooperating Agencies.. . .

.,

CHAPTER I I--INVESTIGATION OF REVIEW ISSUES . .
Safety of Narrows Dam and Reservoi r Seepage
Dam Sa fety . . . . . . . ... . . . . . .
.. .-- .- -Background.--;-;- -;--;.,---,--;--0 -.-~--. .. .
Stability Study. .
Conclusions. . .
Safety Review Panel
Reservoir Seepage. . .
Background. . . .. .
Results of "Steady-State" Analysis.
Status of "Transient" Analysis.
Flood Control . . . .
Introduction . . .
Study Area . . . .
Existing projects.
Potential Projects
Flood Damage Analysis. .. . ..
Types of Flood Damages Considered
Flood Control Storage Requirements for Narrows
Reservoir. . . . . . . .
Benefit Analysis . . . . .
Average Annual Benefits .

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