FLOOD10358

• County: Eagle
• Stream Name: Eagle River, Colorado River
• Basin: Colorado Mainstem
• Title: Correspondence presenting Revised Copies of FIRMS for Incorporated Eagle County
• Date: 12/16/2005
• Prepared For: Arn Menconi, Chairman, Eagle County Board of Commissioners
• Prepared By: Kevin Long
• Floodplain - Doc Type: Correspondence

TABLE OF CONTENTS

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1.0 INTRODUCTION .................................................................................................................... ......1

1.1 Purpose of Study. ............... ............ ............. ....... .............. ............ ........ .......................... ......1

1.2 Authority and Acknowledgments ...... ................ .......... .... ..... .......... ..... ........ ................ ........1

1.3 Coordination.................................................................... ....................................................4

2.0 AREA STUDIED....................................................................................................................... .....6

2.1 Scope of Study....... .............. ..... .............. .... ............ ......... ..... ..... ..... ..................... ................ 6

2.2 Community Description....................................................................................................... 8

2.3 Principal Flood Problems........................ ........ ........ ........................ .... ................ ...............12

2.4 Flood Protection Measures ..................... ................ ......... ........... .......................................15

3.0 ENGINEERING METHODS. ........ ................. ................ ......................... ..... ............... ......... ......16

3.1 Hydrologic Analyses....... .... ................... ............... ...................... ......... ........ ........ ........ ......17

3 .2 Hydraulic Analyses............................................................................................................ 24

3 .3 Vertical Datum.. ....... ........................... ........ ............ ................. .............. ..... ....... ......... ......26

4.0 FLOODPLAIN MANAGEMENT APPLICATIONS ...............................................................27

4.1 Floodplain Boundaries....... ........ ......... ........ ....... .... ...... .......... ..... ......... ... ..... .... .... .......... ....27

4.2 Floodways..................................................................................................... .....................29

5.0 INSURANCE APPLICATION.................................................................................................... 30

6.0 FLOOD INSURANCE RATE MAP ...........................................................................................63

7.0 OTHER STUDIES........................................................................................................................ 63

8.0 LOCATION OF DATA............... .......... .............. ................. ................ ............. ..... ....... ............... 63 '

9.0 BmLIOGRAPHY AND REFERENCES ..... ...... .................... ...... .......... ..... ...................... ......... 65