|
<br />I
<br />
<br />I
<br />
<br />Colorado Flood Hazard Mitigation Plan -1999
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />I
<br />
<br />Table of Contents
<br />
<br />Preface
<br />Table of Contents
<br />1.0 Introduction 1-1
<br />
<br />1.1 Purpose ...............................................................................................................,.....1.1
<br />1.2 Scope.......... ...... '.. .............. ....................... ...................................................... ,..........1-1
<br />1.3 Authority and Responsibilities..................................................................................1-1
<br />
<br />1,3.1 Federal... ..,.., ..,.., ........,.. ..,.. ,..,.. ,..,.....,....,..,..' .....'.. ...,., ........, .........., ..........1-1
<br />1,3,2 Slate" "'" ." '.."",. ,.. ,....,., ..'.., .".., ...,.,.,.,.,., ,..."",..", ...,.......,." .."""", ..",., '" 1-2
<br />1,3,2,1 State Mttigation Pianning..................................,..........,.......,..,....,..1-2
<br />1,3,3 Local Government ............... .............,....., ,..........,.........................,..'."...., ..1-2
<br />
<br />1.4 Goals and Objectives ...........................................................................'....................1-2
<br />1.5 Methodology Used in Data Collection.............................................,.........................1.3
<br />
<br />1.6 Definitions .... .............. ...... ....................... ................. ............................,........ '.. ........ .1-3
<br />Hazard Identification and Evaluation 2.1
<br />
<br />2.1 People and Hazards................................................................................,..................2-1
<br />2.2 Types of Hazards......................................................................................................,2.1
<br />22,1 Floods, ... ..' .....,.., ..,..' ..,., ,.,..,.., ,. ,..,..,.. ,..,., ...... ................ ,..,.., .......... '..' ..,.. ...2-1
<br />2,2,1,1 General Rain Floods,.............................................................,..,2-2
<br />2,2,1,2 Thunderstorm Roods"""""".""".."."..,..,.., ".."""".." ,'.."., ..,.,,2-3
<br />
<br />2,2,1,3 Snowmeh Roods............,....,..............,.......".,.........,...,.,.......,..,2-7
<br />2.2,1.4 Rain on Snowmeh Roods......................................................,..,2-7
<br />
<br />2,2,1,5 Ice Jam Roods,.....,.....,.....,................,.....,.......,...,...........,........2-7
<br />2,2,1,6 Dam Failure Roods .......................................................,..,....,...2-8
<br />Geologic Hazards Closely Associated with Flooding ..........,..,....,........,........2-9
<br />2,2,2,1 Mud and Debris Rows......................................................,........2-9
<br />2.2,2.2 Catastrophic Landslides",.".,.,..",..,..",...",."...".".",..,...."..."", 2-9
<br />Historic Damages ................ .................... ................................................ ......... ,.... ..2-10
<br />2.3,1 Flood Damages ............' ..,.. ,.., ..,...., ,..,.... ,...., ,..,." '.,..'..' ......'.., ................., 2-1 0
<br />2.3.2 Mud and Debris Flow Damages ....,.........,..,..............,..........,..............,.....2-11
<br />2,3,3 Catastrophic Landslide Oamages........,.........,...,.....,.,.......,....,..........,......,2-11
<br />Buffalo Creek Rood Event (1996)....,....,.........,.....,.,.,..,................,...........2-11
<br />1999 Landslide Events .,....,..,........, ...,....................................................., 2-12
<br />Risk Information ............................. .................. .................... ... ........... ..................,.. 2-12
<br />2.4,1 Loss PotentiaL.............,....... ,..... ,...........,.' ............ ..,........'.,..,.... ,.., ..........,2-13
<br />2.4.2 Colorado Floodplain ManagemenL.,..,....,.....,................,.....,..."...."......,,2-13
<br />State Capability Assessment 3-1
<br />3.1 Legal Frameworl< ..................................,....................................................................3-1
<br />3.1,1 Floodplain Management ......................,.,.............,..,.,...,............'..'..'..........3-1
<br />3,1,2 Geologic Hazard Management.......,....................,...."..........,..,..................,3-1
<br />Government Organizations & Roles of Different Levels and Internal Organizations .. ,................... ......................................................... ..... ....3-1
<br />3,2,1 State Departments ..,....,..,............."..'..'.'..'........'..,..,....,...........................,3-1
<br />3,2,1,1 Governor's Office ....,..........................,.......,.....,.,..,............,......3-2
<br />3,2,1,2 Department of Natural Resources..................................,..........,3-2
<br />3.2,1,2,1 Colorado Water Conservation Board.....,...,.....,......3-2
<br />3,2.1,2.1.1 FMA Big/ble Project (s) ....................3-4
<br />Colorado Geological Survey............................ ,....,3-4
<br />Division of Water Resources .............................,...3-5
<br />Colorado Soil Conservation Board..............,..,.,..,..3-6
<br />
<br />2.0
<br />
<br />2,2,2
<br />
<br />2.3
<br />
<br />2.4
<br />
<br />3.0
<br />
<br />3,2
<br />
<br />3.2,1,2,2
<br />3,2,1,2,3
<br />3,2.1.2.4
<br />
<br />I
<br />
<br />Contents - 1
<br />
<br />, 2i23<99 7:49 PM
<br />
|