FLOOD02784

• Designation Number: 315
• County: Broomfield
• Community: Broomfield
• Basin: South Platte
• Title: Flood Insurance Study - Broomfield, Colorado, Adams, Boulder and Jefferson Counties
• Date: 9/1/1990
• Designation Date: 3/1/1991
• Floodplain - Doc Type: Historic FEMA Regulatory Floodplain Information

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 1
2.1 Scope of Study . . . . . 1
2.2 Community Description . . . . 4
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2.3 Principal Flood Problems . . 4
2.4 Flood Protection Measures . . . . . 5
3.0 ENGINEERING METHODS . . . . . . 5
3.1 Hydrologic Analyses . . . 5
3.2 Hydraulic Analyses . . . . . . . 10
4.0 FLOODPLAIN MANAGEMENT APPLICATIONS . 13
4.1 Floodplain Boundaries . . 13
4.2 Floodways . . . . 14
5.0 INSURANCE APPLICATION . . 15
5.1 Reach Determinations . . . . . . . 15
5.2 Flood Hazard Factors . . . . . . 28
5.3 Flood Insurance Zones . . . . . . . . 29
5.4 Flood Insurance Rate Map Description 32
6.0 OTHER STUDIES . 32
7.0 LOCATION OF DATA . . 32
8.0 BIBLIOGRAPHY AND REFERENCES . . . 32
9.0 REVISIONS DESCRIPTION . . . 34
9.1 First Revision 34
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