FLOOD06275

• County: Moffat
• Community: Moffat County and Unincorporated Areas
• Basin: Yampa/White
• Title: FIS - Moffat County and Unincorporated Areas
• Date: 2/2/1982
• Prepared For: Moffat County
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

TABLE OF CONTENTS

Page

1.0

INTRODUCTION. . . . . . . _ . _ _ . . _ . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1

1.1
1.2
1.3

Purpose of Study.................. _. _......... _.... _.......
Author i ty and Acknowledgments.. _ . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coordination............................ _.. _. _.............

1
1
1

2.0

AREA STUDIED................... _ . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . .

2

2.1
2.2
2.3
2.4

Scope of Study _ . . . . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conununi ty Descr iption.. . .. . . .. .. . .. . . . . .. . .. . . .. . . . .. . . . . . .
Principal Flood Problems................ _.... ... ...........
Flood Protection Measures............... _ . . _ . . _ . . . . . . . . . . . .

2
4
7
9

3. 0 ENGINEER! NG METIIODS......... _ . . . . . . . . . . . . . . _ . . . . . . . . . _ . _ . . . . . _ . . . 10

3.1 Hydrologic Analyses....... _.... _.. _ _.... _.... _... _......... 10
3.2 Hydraulic Analyses.. _...... ............ .................... 12

4.0 FLOOD PLAIN MANAGEMENT APPLlCATIONS....................__._._._.. 15

4. 1 Flood Boundar i es . . . . . _ . . . . _ . . . . . . . . . . . . . . . . . . . _ . . _ . . . . . . _ . . 15
4.2 Floodways. . . . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . _ . . . 16

5.0 INSURANCE APPLICATION............................ _ . . . . . . . . . . . . . . . 25

5.1 Reach Determi na tions. . . . . . . . . . . . _ . . . . . . . . . . . . . . . . _ . . . . . . . . . 25
5.2 Flood Hazard Factors....................................... 25
5 _ 3 Flood Insurance Zones......... _ . . . _ . . . . . _ _ . . _ . . . . . . . . . . . . . . 25
5.4 Flood Insurance Rate Map Description.... _.................. 28

6.0 OTHER STUDIES.............................................. _ . . . . . 29

7.0 LOCATION OF DATA.......................................... _...... 29

8.0 BIBLIOGRAPHY AND REFERENCES...................................... 29

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