FLOOD00052

• Designation Number: 528
• County: Dolores
• Community: Rico
• Title: Floodplain Information Report - Rico, Dolores County, CO
• Date: 8/1/1986
• Designation Date: 9/1/2000
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE OF CONTENTS

PREFACE .u.....u.u.......u............u..................u....................................u...............u........................ ii

TABLE OF CONTENTS u.u............................................................u..u.............u.........................iii

INTRODUCTION ................. .......................................................u...............................uuu.u.u...... I

Purpose and Scope........ u......... u...................... u u............... u................ u u. u........................ 1

Authorization...u.u................u.uuuuumummu......uuumu........mm.............mum.ummuum. 1

STUDY AREA DESCRIPTION ......u............u...u.u....u.............u......u.u............mu.................um 2

Community Description ................... ..................uu.................u.......................u...um.uu.m 2

Watershed Description.......... u. u............................................... u.... u............... u... u u.......... 2
Flooding Problems and Flooding History .....u.uuuuuuu......uuuu.uu...........ummuum.uum 2

Previ ous Studies...................... u............................................. u. u.... u............... u... u u........ u 2
Community Response to the CWCB Designation and Approval Process ..........................3

ENGINEERING METHODS .................u..........u.u.u...................................u.....u......................m 4

Hydrologic Analysis ........u.......................mu................................................u...umu.......m 4
Hydraulic Analysis .... ........u.. ...........u....................u..u............u...u......u.....m.................... 5

Floodplain Mapping ....................uu...uu.u...................u.........................u.uu...................u 6

FLOODPLAIN MANAGEMENT ...........u.....u.u....u.........................u.................u..........u........... 7
Local Ordinance Requirements ....................u.u..........u...............u..u.................................7

Flood Insurance.......... u.......... u...................... u............................ u u................................... 7
Floodplain Management Alternatives ....................u..............................u.........................u 7

APPENDIX .u.u.....u.............. ..... .u......u..........................u...u...u.................u................................. 9
Designation Request Letter
Flood Hazard section, "Documentation for Hazard & Constraint Maps, Town of Rico,
Colorado", Wilbur Engineering, Inc.
CWCB Hydrology Worksheet
FFAlPeak Discharge at Ungaged Sites worksheets

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