FLOOD00374

• Designation Number: 146
• County: Chaffee
• Community: Unincorporated Chaffee County
• Stream Name: Lower South Arkansas River
• Title: Floodplain Information Report - Lower South Arkansas River
• Date: 4/1/1979
• Designation Date: 12/1/1979
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE OF CONTENTS

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~-Page

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FIGURE 2

List of Figures and Plates
List of Tables

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FIGURE 1

Pre face

111

CHAPTER I - INTRODUCTION

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2
3
3

PLATE 1

FIGURE 3

Authorization
Purpose and Scope
Mapping and Surveys
Related Flood Studies

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PLATE 2

CHAPTER II - STUDY AREA DESCRIPTION

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5
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PLATES 3 - 13

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Location
Climate
Drainage Basins
Characteristics of Different Reaches

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PLATES 14 - 24

CHAPTER III - HISTORY OF FLOODING

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14
17

PLATES 25 - 28

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Excerpts from Local Papers
Local Input

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CHAPTER IV - HYDROLOGIC ANALYSIS

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20

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Flood Characteristics
Methods of Analysis
Hydrologic Procedures

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CHAPTER V - HYDRAULIC ANALYSIS

26

TABLE 1

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GLOSSARY

38

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CHAPTER VI - INTERPRETATION AND USE OF REPORT DATA

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TABLE 2

Flood Frequency and Discharge
Flood Elevations
Flooded Area

TABLE 3

TABLE 4

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BIBLIOGRAPHY

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LIST OF FIGURES AND PLATES

Peak Runoff - Area - Frequency Curves

Discharge - Frequency Curves

Peak Flow Profiles

Basin Map

Index Map

Flooded Areas / Flood with a 1% Chance
of Occurring in Any One Year

Flood Profiles

Cross Sections of the River Channel and
Valley

LIST OF TABLES

Stream Flow Measuring Stations

Peak Flows

Flood Elevations

Control Marker Data

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