9467

• UCREFRP Catalog Number: 9467
• Author: Colorado Water Conservation Board.
• Title: Floodplain Information Report\
• USFW Year: 1995.
• Copyright Material: NO

' TABLE OF CONTENTS
Preface
1.0 INTRODUCTION 1
................................................ 1.1 Purpose 1
1.2 Acknowledgements ....................................... 1
1.3 Related Flood Studies ..................................... 1
2.0 STUDY AREA .............................................. 3
2.1 Location .............................................. 3
2.2 Study Reach ........................................... 3
2.3 Basin Characteristics ......................................
2.4 Summary of Drainage Areas ................................ 5
5
2.5 Flood Characteristics ...................................... 7
3.0 HYDROLOGIC ANALYSIS .................................... 10
3.1 Existing Data .......................................... 10

' 3.2 New Hydrologic Information ...............................
3.3 Equation Selection Process ................................. 10
11
3.4 Hydrologic Findings ..................................... 11
' 4.0 HYDRAULIC ANALYSIS ..................................... 14
4.1 Base Mapping ......................................... 14
4.2 Stream Reaches ....................
4.3 Field Surveys and Cross-Section Preparation . . . . . . . . . . . . . . . . . . . . 14
17
4.4 Computing Flood Depths .................................. 18
' 4.5 Delineating Flood Boundaries ............................... 19
5.0 INTERPRETATION OF THIS REPORT ............................ 22
5.1 Hydrologic Findings 22
. • . ' ... • ... • .......... • ...... • ........
5.2 Hydraulic Findings
22
5.3 Floodplain Delineations ................................... 22
6.0 REFERENCES ............................................. 23
LIST OF TABLES
' TABLE PAGE
1 Stream Gage Data. 3

' 2
3 Drainage Area Summary
Flow Summary 7
12
4 Reach Classifications 15
5
6 Cross-Section Summary
Depth of Flooding Summary 18
20
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