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WFRC PDM Plan 2009

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WFRC PDM Plan 2009 Weber County Pre-Disaster Mitigation Plan Assistance and guidance provided by the Utah Department of Public Safety – Division of Emergency Management August 2015 TABLE OF CONTENTS Executive Summary .......................................................................................................................................... 6 Part I. Introduction ......................................................................................................................................... 10 Part II. Adoption Process and Documentation .......................................................................................... 14 Part III. Planning Process .............................................................................................................................. 17 Part IV. 2009 Mitigation Goals and Objectives Review ...................................................................... 23 Part V. Regional Data .................................................................................................................................. 35 Part VI. Capabilities Assessment ................................................................................................................ 46 Part VII. Risk Assessment .............................................................................................................................. 55 Part VIII. Regional Hazards ........................................................................................................................ 77 Part IX. Weber County Hazards ............................................................................................................... 98 Part X. Mitigation Strategies, Objectives, Actions ................................................................................ 142 Part XI. Weber County Communities ....................................................................................................... 158 Part XII. Specialized Local Districts .......................................................................................................... 207 Part XIII. Plan Maintenance and Implementation .................................................................................. 230 Appendix A. Environmental Considerations ........................................................................................... 239 Appendix B. General Mitigation Strategies .......................................................................................... 241 Appendix C. Hazard Histories ................................................................................................................. 256 Appendix D. Critical Facilities .................................................................................................................. 258 Appendix E. Participating Organizations .............................................................................................. 265 Appendix F. FEMA Local Mitigation Planning Tools ............................................................................. 268 Appendix G. Local Land Use Plans ......................................................................................................... 270 Appendix H. Glossary of Terms ............................................................................................................... 271 Appendix I. List of Acronyms .................................................................................................................... 279 Appendix J. Works Cited.......................................................................................................................... 281 Weber County Pre-Disaster Mitigation Plan Page 1 August 2015 TABLES, MAPS & FIGURES Table 2-1. Participating Jurisdictions .......................................................................................................................... 15 Table 3-1. Plan Participants and Stakeholders ......................................................................................................... 18 Table 3-2. Planning Process Timeline .......................................................................................................................... 20 Map 5-1. Weber County Location in Utah ................................................................................................................ 35 Table 5-1. Population Estimates ................................................................................................................................... 36 Map 5-2. Weber River Basin ........................................................................................................................................ 38 Table 5-2 Population Projections ................................................................................................................................. 39 Table 5-3. Superfund Sites in Weber County ........................................................................................................... 42 Table 6-1. Fire Services by Municipality .................................................................................................................... 48 Table 6-1. Weber County GIS Staff .......................................................................................................................... 49 Table 7-1. Local Hazards Identification ..................................................................................................................... 56 Table 7-3. City Hazard Identification ......................................................................................................................... 58 Figure 7-1. Wasatch Fault Segments and Timeline of Major Ruptures ............................................................... 63 Table 8-1. Severe Weather 20-year Summary ....................................................................................................... 78 Table 8-2. Critical Facilities Number of Buildings Vulnerable to Wind ............................................................... 79 Table 8-3. Lightning Fatalities in Utah, 1995-2014 ................................................................................................ 80 Map 8-1. Weber County High Wind Events ............................................................................................................. 82 Map 8-2. Weber County Hail Hazard ....................................................................................................................... 83 Map 8-3 Weber County Lightning Hazard ............................................................................................................... 84 Map 8-4. Weber County Tornado Hazard ............................................................................................................... 85 Map 8-5. Weber County Flash Flood Hazard .......................................................................................................... 86 Map 8-6. Regional Extreme Cold Hazard ................................................................................................................. 87 Map 8-7. Regional Extreme Heat Hazard ................................................................................................................. 88 Table 8-4. Palmer Drought Severity Index ................................................................................................................ 89 Map 8-8. Average Maximum Drought Year ............................................................................................................. 92 Table 8-5. Insects Currently Monitored in Weber County by Utah Department of Agriculture and Food ... 93 Map 8-9. Mormon Cricket and Grasshopper Hazard Potential............................................................................ 95 Map 8-10 Gypsy Moth Hazard Potential ................................................................................................................. 96 Map 8-11. Other Insect Hazards ................................................................................................................................. 97 Map 9-1. Weber County ............................................................................................................................................... 98 Largest Weber County Employers ............................................................................................................................... 99 Table 9-1. Largest Employers, Weber County ......................................................................................................... 99 Figure 9-2. Major Disaster Event Averages 1960 – 2011, Weber County ..................................................... 100 Figure 9-3. Major Disaster Average Annual and Per Event Statistics, 1960 -2011, Weber County .......... 101 Table 9-2. Critical Facilities Vulnerability Matrix for Local Hazards, Weber County ................................... 102 Map 9-2. Emergency Operation Center Locations in Weber County ................................................................ 103 Map 9-3. Hospitals and Medical Facilities in Weber County .............................................................................. 103 Map 9-4. Rail Hazmat Transportation Routes ......................................................................................................... 104 Map 9-5. Power Systems in Weber County ...........................................................................................................
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