FLOOD00265

• County: Weld
• Community: Evans
• Title: FIS - Evans
• Date: 10/1/1978
• Prepared For: Evans
• Prepared By: FEMA
• Floodplain - Doc Type: Current FEMA Regulatory Floodplain Information

TABLE OF CONTENTS

1. 0 INTRODUCTION. . . . . . . . . . . . . .. . . .. . . . . . . .. .. . . . . . .. . . . . .. . . . . .. . _ .. 1

Page

1.1
1.2
1.3

Purpose of Study....................................................
Coordination. .. . . . . . . . . . . . . .. .. . . . . . . . . . . . . . . .. . . . . . . . .. . . . . . . . .
Authority and Acknowledgments....................................

1
1
1

2.0 AREA STUDIED _ - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2.1
2.2
2.3
2.4

Scope of Study............................................_
Conununity Description..................................................
Principal Flood Problems.............................................
Flood Protection Measures...........................................

1
3
3
4

3. 0 ENGINEERING METHODS.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . 4

3.1 Hydrologic Analyses........................................ 4
3.2 Hydraulic Analyses.................................... _ " _. 8

4.0 FL~~!,LA:[N_ MANAGEMENT APPLICATIONS........... _ . . . . . . . . . . . . . . . . . 9

4.1
4.2

Flood BOllildaries.................................................
F1oodways.. ......... ... ........................... .........

9
9

5. 0 INSURANCE APPLICATION.......... . . . . . . . . . . . . . . . . . _ . . _ . . . _ . . . . . . _ . 12

5.1
5.2
5.3
5.4

Reach Determinations............................................
Flood Hazard Factors.................................................
Flood Insurance Zones................................................
Flood Insurance Rate Map Description. ....... ......... ........

12
12
12
13

6.0 OTHEp, STUD!_]';:3.............. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

7.0 LOCATIO~~!)!\TI\' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

8.0 BIBLIOGRAPHY AND REFERENCES..................................... 15