FLOOD00413

• Designation Number: 339
• County: Delta
• Community: Unincorporated Delta County
• Title: FIS - Delta County, Colorado, Unincorporated Areas
• Date: 8/1/1991
• Designation Date: 3/1/1993
• Floodplain - Doc Type: Floodplain Report/Masterplan

TABLE OF CONTENTS
Page
1.0 INTRODUCTION . . . 1
1.1 Purpose of Study . . . . 1
1.2 Authority and Acknowledgments . 1
1.3 Coordination . . 1
2.0 AREA STUDIED . . . . . . . . . 2
",.
2.1 Scope of Study . . . . . 2
2.2 Community Description . . . . 4
'" 2.3 Principal Flood Problems . 6
2.4 Flood Protection Measures . 10
3.0 ENGINEERING METHODS 18
3.1 Hydrologic Analyses 19
3.2 Hydraulic Analyses 20
4.0 FLOOD PLAIN MANAGEMENT APPLICATIONS 23
4.1 Flood Boundaries . . 23
4.2 Floodways 24
5.0 INSURANCE APPLICATION . . . . . . . 38
5.1 Reach Determinations . . . . . . 38
5.2 Flood Hazard Factors . 38
5.3 Fl ood Insurance Zones . . 38
5.4 Flood Insurance Rate Map Description . . . 40
6.0 OTHER STUDIES . . . 40
. 7.0 LOCATION OF DATA . . . 42
. 8.0 BIBLIOGRAPHY AND REFERENCES . 42
9.0 REVISIONS DESCRIPTIONS . . . 45
9.1 First Revision . . . . 45
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