FLOOD05456

• County: Adams
• Community: Adams County, Brighton, Commerce City
• Stream Name: South Platte River
• Basin: South Platte
• Title: Flood Hazard Area Delineation
• Date: 9/1/1977
• Prepared For: Adams County
• Prepared By: UDFCD
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE OF CONTENTS

Page

PREFACE

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Table II

Authorization
Purpose and Scope
Acknowledgments

Table I

STUDY AREA DESCRIPTION

FLOOD HISTORY

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FACTORS AFFECTING FLOOD HAZARD

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Factors Which Increase the Flood Hazard
Factors Which Reduce the Flood Hazard

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Figure 1

FLOOD RELATED STUDIES AND PERTINENT DATA

HYDROLOGIC AND HYDRAULIC DETERMINATIONS

Figure 2

Hydrologic Analysis
Hydraulic Analysis

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FUTURE FLOODS

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Figure 3

Flood Frequency and Discharge
Flooded Areas
Flood plain and Floodway Data
Flood Velocities.

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Figure 4

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SUMMARY

Figure 5

APPENDIX

A-I

Figure 6

DRAWINGS

Figure 7

Figure 8

TABLE OF CONTENTS - Continued

LIST OF TABLES

Floodplain and Floodway Reference
Data - South Platte River

Floodplain and Floodway Reference
Data - South Platte River - Levee
Overflow Profile

LIST OF FIGURES

South Platte River One Half Mile North
of East 88th Avenue, June 17, 1965.

South Platte River Swirls through Farm
Yard Along East 104th Avenue West of
River, May 7, 1973.

South Platte River Flows Through Barn-
yard Approximately One Mile Northwest
of the City of Brighton, May 9, 1969.

South Platte River at East 160th Ave-
nue Bridge, May 9, 1973. The City of
Brighton is in Upper Right Background.

South Platte River at Franklin Street
Near Commerce City, June 17, 1965.

South Platte River at East 78th Avenue,
June 17, 1965. The Welby Bridge is
Washed Out Onto South River Bank. The
Union Pacific Dent Branch Railroad
Trestle is Also Destroyed.

South Platte River at East 74th Avenue,
June 17, 1965. The Burlington Ditch is
in Right Foreground.

South Platte River at East 88th Avenue
Bridge, June 17, 1965.

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