2011 Hazard Mitigation Plan 11/4/2011 Benton County Hazard Mitigation Plan - TOC Benton County Section I I. Community Profile – Purpose and General County Overview .............................................................. Page 1-2 Historical Setting, Physical Characteristics – Topography and Soils ...................................... Page 3 Climate – Average Temperatures and Precipitation, Geology ............................................................................................................... Page 4-5 Hydrology – Lakes, Rivers, Wetlands Land Cover and Use ............................................................................................ Page 6-7 Community Infrastructure Schools Important Public Facilities ................................................................................ Page 8-11 Important Public Facilities Historic Resources County and State Parks and Natural Areas .................................................... Page 12-13 Telecommunications Facilities Cable Companies, Telephone Companies Cell phone towers, Power Facilities ..................................................................... Page 13 Transportation Roads, Railroads, Air transportation, Transit, Trails ........................................................................................................ Page 14 Sewer and Water Systems ................................................................................................. Page 15-16 Population and Housing ..................................................................................................... Page 16-26 County Population Continues Growth .................................................................. Page 21 Township and City Populations chart ................................................................... Page 21 Residents Predominately English Speaking chart ................................................. Page 22 Language Spoken at Home and Ability to Speak English chart ........................... Page 22 Number of Households Increased, household size declined ................................. Page 22 Benton County Population and Household Size Over Time chart ........................ Page 23 Benton County Household Profile chart I ............................................................. Page 24 Housing is newer, mostly single family ............................................................... Page 24 Benton County Housing Profile Chart II ........................................................ Page 24-26 Economic Synopsis .................................................................................................................... Page 27 Benton County’s Largest Employers Chart .......................................................... Page 27 Benton County Economic Trends ......................................................................... Page 27 Benton County Labor Force Commuting Trends………………………………. Page 28 Benton County Farming and Agriculture………………………………….……. Page 28 Emergency Response Capabilities Health and Wellness…………………………………………………………...... Page 28 Medical Facilities .................................................................................................. Page 29 Benton County Medical Resources Chart ............................................................. Page 29 Fire Services ....................................................................................................... Page 30 Law Enforcement Centers ..................................................................................... Page 31 Emergency Warning Systems ............................................................................... Page 31 Heavy Equipment Inventory – County Highway Department ............................ Page 32 TOC - Table of Contents BCHMP Page ii Benton County Section II II. Hazards Facing the Community Hazard Summary ........................................................................................................................ Page 1 Hazard Profiles Summer Storm ............................................................................................................................ Page 2 Fire ............................................................................................................................... Page 12 Flood ............................................................................................................................... Page 15 Winter Storm............................................................................................................................. Page 22 Drought ............................................................................................................................... Page 26 Extreme Temperature .............................................................................................................. Page 28 Infectious Disease / Bio-Terrorism .......................................................................................... Page 30 Radon Gas ............................................................................................................................... Page 35 Hazardous Materials ................................................................................................................ Page 37 Radiological Incident ................................................................................................................ Page 42 Water Supply Contamination .................................................................................................. Page 45 Jurisdictional Hazard Summary ............................................................................................. Page 48 2010 Assessed Property Value for Benton County and Jurisdictions .................................. Page 49 Benton County Section III III. Risks and Vulnerabilities. Introduction ................................................................................................................................. Page 1 Prioritized Risk Assessment.................................................................................... Page 2 Weighting Scheme .................................................................................................. Page 3 Calculate Risk Priority Index - CPRI Results ......................................................... Page 4 Hazards that had ranking changed .......................................................................... Page 4 Committee/Planning Team Rankings ..................................................................... Page 5 West Central Minnesota Regional Natural Hazard Rankings chart ........................ Page 5 Rankings of hazards by public ................................................................................ Page 5 Analysis of differences ........................................................................................ Page 6-7 Increased Risk Factors ....................................................................................... Page 8-9 Composite Emergency Response Risk Map .......................................................... Page 9 Composite Risk Hazard Potential .......................................................................... Page 9 TOC - Table of Contents BCHMP Page iii Benton County Section IV IV. Goals, Objectives and Mitigation Strategies Brief Discussion of How Priorities Selected.............................................................................. Page 1 Mitigation Selection Process ...................................................................................................... Page 1 Hazard: Summer Storms ......................................................................................................... Page 2 Goal 1 - Violent Storms .......................................................................................... Page 2 Goal 2 - Violent Storms .......................................................................................... Page 3 Hazard: Fire .............................................................................................................................. Page 3 Goal 1 - Fire Risks Reduced ............................................................................... Page 3-4 Hazard: Flood............................................................................................................................ Page 4 Goal 1 - Flood: Reduce Benton County's vulnerability to flood............................. Page 4 Goal 2 - Flood: Reduce the level of flooding .......................................................... Page 5 Goal 3 - Flood: Reduce safety hazards during times of flooding ........................... Page 5 Hazard: Winter Storm ............................................................................................................. Page 6 Goal 1 - Winter Storm: Improve Public Awareness ............................................... Page 6 Goal 2 - Winter Storm ............................................................................................ Page 6 Goal 3 - Winter Storm ............................................................................................ Page 7 Goal 4 - Winter Storm ............................................................................................ Page 8 Hazard: Drought ....................................................................................................................... Page 8 Goal 1 - Drought: Reduce Financial Loss .............................................................. Page 8 Goal 2 - Drought: Reduce Water Usage ................................................................ Page 9 Goal 3 - Drought: Educate Public on Associated Dangers of Drought................... Page 9 Hazard: Extreme Temperatures ........................................................................................... Page 10 Goal 1 - Extreme Temperatures: Identify Vulnerable Population ....................... Page 10 Goal 2 - Temperatures: Identify Safe Areas ........................................................ Page 10 Goal 3 - Extreme Temperatures: Reduce Effects ................................................. Page 11 Hazard: Infectious Disease / Bio-Terrorism ......................................................................... Page 11 Goal 1 - Infectious disease .................................................................................... Page 11 Goal 2 - Infectious disease ................................................................................... Page 12 Goal 3 - Infectious disease ................................................................................... Page 12 Goal 4 - Infectious disease ................................................................................... Page 13 Hazard: Radon Gas ................................................................................................................ Page 13 Goal 1 - Radon Gas ............................................................................................... Page 13 Goal 2 - Radon Gas ............................................................................................... Page 14 Hazard: Hazardous Materials ............................................................................................... Page 14 Goal 1 - Hazardous Materials: Anhydrous Ammonia........................................... Page 14 Goal 2 - Hazardous Materials: Liquid Petroleum (LP) ......................................... Page 15 Goal 3 - Hazardous Materials: Natural Gas .......................................................... Page 16 Goal 4 - Hazardous Materials: Miscellaneous Chemicals .................................... Page 16 Hazard: Radiological Incident ............................................................................................... Page 17 Goal 1 - Radiological Incident: Educate the Public .............................................. Page 17 Goal 2 - Radiological Incident: Better Alert System ........................................... Page 17 Goal 3 - Radiological Incident: Increase Training ............................................... Page 18 Hazard: Water Contamination .............................................................................................. Page 19 Goal 1 - Water Contamination: Reduce Threats .................................................. Page 19 Goal 2 - Water Contamination: Educate the Public ............................................. Page 19 TOC - Table of Contents BCHMP Page iv Goal 3 - Water Contamination: Alternative Water Sources ................................ Page 20 Miscellaneous Goals, Objectives and Mitigation Strategies ................................................. Page 20 Mitigation Strategies of Each Jurisdiction ............................................................................. Page 21 Priority of Mitigation Methods ................................................................................................ Page 23 Benton County Section V V. The Planning Process Organizations involved ............................................................................................................... Page 1 Role of Team Members .............................................................................................................. Page 1 Documents Used During Development of Mitigation Plan ..................................................... Page 2 Other Essential Personnel .......................................................................................................... Page 3 Initial Meeting ............................................................................................................................. Page 3 Mind Map - Major Hazards..................................................................................... Page 3 Mind Map - Hazard Breakdown ............................................................................. Page 4 Methods Used to Obtain Input Online Survey ......................................................................................................... Page 5 Print Survey............................................................................................................. Page 5 Webinar .................................................................................................................. Page 6 Public Meetings - Open Forum ............................................................................... Page 9 City & Township Meetings ..................................................................................... Page 6 PowerPoint Presentation ......................................................................................... Page 6 County Web Site ..................................................................................................... Page 6 Secure Planning Development Team Online Site ................................................... Page 7 Local PSA's ............................................................................................................ Page 7 Benton County Board .............................................................................................. Page 7 Small Group Meetings of Critical Infrastructure/Key Resource Representatives .. Page 7 Invitation Letter to Businesses ................................................................................ Page 7 CI/KR Representatives ............................................................................................ Page 8 Survey Results. Total Survey Results ............................................................................................... Page 9 Online Results ....................................................................................................... Page 11 CI/KR Meeting Results ....................................................................................Page 12-15 Plan Maintenance Process ........................................................................................................ Page 16 Monitoring Evaluation Updating Continued Public Involvement ................................................................................................ Page 17 City Participation ...................................................................................................................... Page 18 Township Participation ............................................................................................................ Page 19 Map Indicating Survey Participation...................................................................................... Page 20 TOC - Table of Contents BCHMP Page v APPENDIX - A - City Information Benton County Cities Foley ................................................................................................................................. Page 1 Gilman ................................................................................................................................. Page 6 Rice ................................................................................................................................. Page 9 Sauk Rapids ............................................................................................................................... Page 15 Sartell/St. Cloud .......................................................................................................................... Page 20 APPENDIX - B - SURVEY MATERIALS Sample Online Survey .................................................................................................................. Page 1 Resident Letter .............................................................................................................................. Page 2 Print Survey .......................................................................................................................... Page 3 Business Letter .............................................................................................................................. Page 4 Survey Results .......................................................................................................................... Page 5-7 Actual Online Survey.............................................................................................................. Page 8-13 APPENDIX - C - Resolutions Resolutions of Participation Intro page .................................................................................................................................... Page 1 Benton County Resolution ............................................................................................................ Page 2 Foley Resolution .......................................................................................................................... Page 3 Gilman Resolution ........................................................................................................................ Page 4 Rice Resolution ............................................................................................................................. Page 6 Sauk Rapids Resolution ................................................................................................................ Page 8 Resolutions of Adoption Benton County Resolution ............................................................................................................ Page 7 Foley Resolution ........................................................................................................................... Page 8 Gilman Resolution ........................................................................................................................ Page 9 Rice Resolution ........................................................................................................................... Page 10 Sauk Rapids Resolution .............................................................................................................. Page 11 APPENDIX - D - Map Section All Hazard Mitigation Plan Maps Map # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Benton County, Minnesota City of Foley 1 City of Foley 2 City of Gilman 1 City of Gilman 2 City of Rice 1 City of Rice 2 City of Sauk Rapids 1 City of Sauk Rapids 2 Benton County Cities Benton County Topography Benton County Hydrology Benton County Wetlands Benton County Land Cover TOC - Table of Contents BCHMP Page vi 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Benton County Government Buildings Benton County Schools Benton County Emergency Responders - Fire Benton County Emergency Responders - Law Benton County Emergency Service Zones Benton County Emergency Responders Benton County Floodplains City of Foley Floodplains City of Rice Floodplains City of Sauk Rapids Floodplains Benton County Wells Benton County Vulnerable Populations Benton County Major Transportation Corridors Benton County Waste Facilities Benton County Waste Water Treatment Benton County & Surrounding Area Medical Facilities Benton County Utility Substations Benton County Bridges TOC - Table of Contents BCHMP Page vii