Madison County Multi‐Jurisdictional All Hazards Mitigation Plan Update Madison County, Illinois PARTICIPANTS Alhambra, Village of Highland, City of Alton, City of Livingston, Village of America’s Central Port Madison, City of Bethalto, Village of Madison, County of Collinsville, City of Marine, Village of East Alton, Village of Maryville, Village of Edwardsville, City of Pontoon Beach, Village of Glen Carbon, Village of Troy, City of Godfrey, Village of Venice, City of Granite City, City of Wood River, City of Grantfork, Village of Worden, Village of Hamel, Village of May 2020 The five year update of this Plan must be completed on or before October 13, 2025. Madison County Multi-Jurisdictional All Hazards Mitigation Plan Cover photographs provided courtesy of The Telegraph and the Madison County Emergency Management Agency. From left to right: May 31, 2013 thunderstorm with straight-line winds – St. Louis Street in Edwardsville (photograph taken by Margie M. Barnes) March 24-25, 2013 winter storm – Wilkinson Street near Mills Street in Alton (photograph taken by John Badman) May 2013 flooding – downtown Alton (photograph taken by Mary Kate Brown) Madison County Multi-Jurisdictional All Hazards Mitigation Plan MADISON COUNTY MULTI-JURISDICTIONAL ALL HAZARDS MITIGATION PLAN MADISON COUNTY, ILLINOIS TABLE OF CONTENTS 1.0 INTRODUCTION .........................................................................................................................1 1.1 PARTICIPATING JURISDICTIONS ....................................................................................2 1.2 COUNTY PROFILE .........................................................................................................3 1.3 LAND USE AND DEVELOPMENT TRENDS ......................................................................6 2.0 PLANNING PROCESS .................................................................................................................9 2.1 PLANNING COMMITTEE ..............................................................................................10 2.2 PUBLIC INVOLVEMENT ...............................................................................................14 2.3 PARTICIPATION OPPORTUNITIES FOR INTERESTED PARTIES ........................................16 2.4 INCORPORATING EXISTING PLANNING DOCUMENTS ...................................................16 3.0 RISK ASSESSMENT ..................................................................................................................18 3.1 SEVERE STORMS (THUNDERSTORMS, HAIL, LIGHTNING & HEAVY RAIN) ..................21 3.2 SEVERE WINTER STORMS & EXTREME COLD .............................................................37 3.3 FLOODS ......................................................................................................................49 3.4 EXCESSIVE HEAT ........................................................................................................75 3.5 TORNADOES ...............................................................................................................85 3.6 DROUGHTS ...............................................................................................................113 3.7 EARTHQUAKES .........................................................................................................120 3.8 MINE SUBSIDENCE ...................................................................................................135 3.9 LANDSLIDES .............................................................................................................149 3.10 LEVEE FAILURES ......................................................................................................156 3.11 DAM FAILURES .........................................................................................................169 3.12 MAN-MADE HAZARDS .............................................................................................181 3.12.1 Hazardous Substances ..............................................................................181 3.12.1.1 Generation ..............................................................................182 3.12.1.2 Transportation ........................................................................182 3.12.1.3 Storage/Handling ...................................................................188 3.12.2 Waste Disposal.........................................................................................189 3.12.2.1 Solid Waste ............................................................................189 3.12.2.2 Potentially- Infectious Medical Waste ...................................189 3.12.2.3 Hazardous Waste ...................................................................189 3.12.3 Hazardous Material Incidents ..................................................................190 3.12.4 Waste Remediation ..................................................................................190 3.12.5 Terrorism..................................................................................................192 May 2020 Table of Contents i Madison County Multi-Jurisdictional All Hazards Mitigation Plan 4.0 MITIGATION STRATEGY ........................................................................................................194 4.1 MITIGATION GOALS REVIEW ....................................................................................194 4.2 EXISTING MITIGATION ACTIONS REVIEW .................................................................195 4.3 NEW MITIGATION ACTION IDENTIFICATION .............................................................195 4.4 MITIGATION ACTION ANALYSIS ...............................................................................196 4.5 MITIGATION ACTION PRIORITIZATION METHODOLOGY REVIEW ..............................196 4.6 MITIGATION ACTION IMPLEMENTATION, ADMINISTRATION & COST/BENEFIT ANALYSIS .................................................................................................................197 4.7 RESULTS OF MITIGATION STRATEGY ........................................................................199 5.0 PLAN MAINTENANCE ............................................................................................................327 5.1 MONITORING, EVALUATING & UPDATING THE PLAN ...............................................327 5.1.1 Monitoring and Evaluating the Plan ........................................................327 5.1.2 Updating the Plan .....................................................................................328 5.2 INCORPORATING THE MITIGATION STRATEGY INTO EXISTING PLANNING MECHANISMS ...........................................................................................................328 5.3 CONTINUED PUBLIC INVOLVEMENT .........................................................................329 6.0 PLAN ADOPTION ...................................................................................................................330 6.1 PLAN ADOPTION PROCESS ........................................................................................330 7.0 REFERENCES .........................................................................................................................331 APPENDICES Planning Committee Meeting Attendance Sheets ......................................................... APPENDIX A Planning Committee Meeting Minutes .......................................................................... APPENDIX B Citizen Questionnaire..................................................................................................... APPENDIX C Frequently Asked Questions Fact Sheet ....................................................................... APPENDIX D Media Outlets Serving the County ................................................................................. APPENDIX E Press Releases and News Articles Published ................................................................. APPENDIX F Public Forum – Planning Process Summary Handout .................................................. APPENDIX G Public Forum – Plan Comment Survey ........................................................................ APPENDIX H Hazard Mitigation Planning Memo Sent to Adjacent Counties ...................................... APPENDIX I Hazard Event Risk Assessment Tables ........................................................................... APPENDIX J FIRMs for Participating Jurisdictions ............................................................................ APPENDIX K Hazard Event Photographs ............................................................................................. APPENDIX L Directory of Coal Mines in Madison County ............................................................... APPENDIX M 7.5-Minute Quadrangle Series Maps & Directories of Coal Mines in .......................... APPENDIX N Madison County Levee System Maps ...................................................................................................... APPENDIX O Plan Adoption Resolutions ............................................................................................ APPENDIX P LIST OF FIGURES Figure I-1 Federal Disaster Declarations: Madison County ................................................1 Figure I-2 Participating Jurisdictions Represented in the Plan ...........................................2 Figure I-3 Location Map .....................................................................................................4