2016 All-Hazard Mitigation Plan
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ALL-HAZARD MITIGATION PLAN 2016 DAKOTA COUNTY MINNESOTA Expires January 31, 2022 Dakota County Board of Commissioners Mike Slavik, District 1 Liz Workman, District 5 Kathleen Gaylord, District 2 Mary Liz Holberg, District 6 Thomas A. Egan, District 3 Chris Gerlach, District 7 Joe Atkins, District 4 Dakota County Planning Commission Mike Greco, District 1 Barry Graham, District 4 Jeff Busse, District 2 Ram Singh, District 5 Lori Hansen, District 2 Paul Thomas, District 5 Jill Smith, District 3 Nate Reitz, District 6 Greg Oxley, District 3 Luke Hellier, District 6 Amy Hunting, District 4 Anthony Nelson, District 7 Plan Team: B.J. Battig, Dakota County Risk Management-Homeland Security Ben Rutter, Dakota County Risk Management-Homeland Security Doug Nelson, Dakota County Sheriff’s Office Mary Jackson, Dakota County Office of Planning Kurt Chatfield, Dakota County Office of Planning Todd Lusk, Dakota County Office of GIS David Goodman, Dakota County Physical Development Administration The Dakota County All-Hazard Mitigation Plan was adopted by the County Board on January 24, 2017 and approved by the Federal Emergency Management Agency on March 7, 2017. This plan is valid until its expiration in January 31, 2022. Cover Photo: Propane Explosion and Fire, 1974 - West Saint Paul (Dakota County Historical Society) CONTENTS SECTION I – INTRODUCTION .................................................................................................. 1 Planning Authority and Guidance ........................................................................................................ 1 Planning Vision and Goals .................................................................................................................... 1 Recent Hazard Declarations ................................................................................................................. 2 Participating Jurisdictions ..................................................................................................................... 3 Plan Adoption ....................................................................................................................................... 3 Relationship to Emergency Operations Plan ........................................................................................ 3 2016 Update ......................................................................................................................................... 4 Hazards Profiled in 2016 ...................................................................................................................... 4 Organization of this Plan ...................................................................................................................... 5 SECTION II - THE PLANNING PROCESS .................................................................................... 7 Summary ............................................................................................................................................ 7 Community Participation Events and Findings..................................................................................... 8 Interagency Participation ................................................................................................................... 10 Related Plans, Studies, Reports, and Technical Information ............................................................. 14 Plan Implementation .......................................................................................................................... 15 Plan Evaluation ................................................................................................................................... 15 Plan Updates ...................................................................................................................................... 15 Continued Public Involvement ........................................................................................................... 16 SECTION III - COMMUNITY PROFILE ..................................................................................... 17 Section Overview ................................................................................................................................ 17 General County Overview .................................................................................................................. 18 Physical Characteristics ...................................................................................................................... 19 Land Cover and Use ............................................................................................................................ 29 Future Land Use ................................................................................................................................. 32 Community Infrastructure .................................................................................................................. 34 Transportation .................................................................................................................................... 38 Energy, Utilities, Communication Infrastructure ............................................................................... 45 Demographic and Economic Conditions ............................................................................................ 47 Public Safety and Emergency Response Capabilities ......................................................................... 52 Vulnerable Populations ...................................................................................................................... 55 SECTION IV - HAZARDS FACING THE COMMUNITY ................................................................ 57 Dam Failure ........................................................................................................................................ 59 Drought .......................................................................................................................................... 62 Extreme Temperatures....................................................................................................................... 65 Flood (Flash and Overland Flood) ...................................................................................................... 69 Hazardous Material Incident .............................................................................................................. 76 Infectious Disease ............................................................................................................................... 81 Structural Fire ..................................................................................................................................... 85 Terrorism .......................................................................................................................................... 87 Tornado .......................................................................................................................................... 89 Violent Summer Storms ..................................................................................................................... 94 Violent Winter Storms ...................................................................................................................... 100 Wastewater Treatment System Failure ........................................................................................... 101 Water Supply Contamination ........................................................................................................... 103 i Wildfire ........................................................................................................................................ 105 Cyber-Attack ..................................................................................................................................... 106 Landslide ........................................................................................................................................ 108 SECTION V – DAKOTA COUNTY VULNERABILITIES, STRATEGIES, AND PRIORITIES ................ 111 Hazard Rankings ................................................................................................................................ 111 Community Perception of Hazards .................................................................................................. 112 Vulnerability ...................................................................................................................................... 113 Population Vulnerability ................................................................................................................... 113 Structural Inventory and Valuation .................................................................................................. 116 Flood ........................................................................................................................................ 118 Floodplain Structures Countywide ................................................................................................... 121 Potential Dollar Loss - Other Hazards............................................................................................... 122 Vulnerable Structures ....................................................................................................................... 124 Vulnerability of Future Structures ...................................................................................................