Hazard Mitigation Plan Storey County 2020 TABLE OF CONTENTS Executive Summary ............................................................................................................................... ES-1 Section 1 ONE Official Record of Adoption ................................................................ 1-1 1.1 Disaster Mitigation Act of 2000 .............................................................. 1-1 1.2 Adoption by the Local Governing Body and Supporting Document ...... 1-1 Section 2 TWO Background .......................................................................................... 2-1 2.1 Plan Purpose and Authority ..................................................................... 2-1 2.2 Stafford Act Grant Programs ................................................................... 2-1 2.3 Plan Organization..................................................................................... 2-2 Section 3 THREE Community Description ................................................................... 3-1 3.1 History, Location, and Geography ........................................................... 3-1 3.2 Government.............................................................................................. 3-2 3.3 Demographics .......................................................................................... 3-3 3.4 Land Use and Development Trends ......................................................... 3-4 Section 4 FOUR Planning Process ............................................................................... 4-1 4.1 Overview of Planning Process ................................................................. 4-1 4.2 Hazard Mitigation Planning Committee .................................................. 4-3 4.2.1 Formation of the Planning Committee ......................................... 4-3 4.2.2 Planning Committee Meetings & Monthly Progress ................... 4-6 4.3 Public Involvement .................................................................................. 4-7 4.4 Incorporation of Existing Plans and Other Relevant Information ........... 4-8 Section 5 FIVE Risk Assessment .................................................................................. 5-1 5.1 Hazard Identification ............................................................................... 5-1 5.2 Hazard Considerations ............................................................................. 5-3 5.2.1 Mitigation vs. Adaptation vs. Preparedness ................................. 5-3 5.2.2 Future Conditions ........................................................................ 5-4 5.2.3 Cascading Impacts ....................................................................... 5-5 5.3 Planning for Risk and Vulnerability ........................................................ 5-5 5.3.1 Stakeholder Feedback .................................................................. 5-5 5.3.2 Geospatial Analyses ..................................................................... 5-5 5.4 Vulnerability Assessment ........................................................................ 5-7 5.4.1 Identifying Critical Infrastructure ................................................ 5-7 5.4.2 Asset Inventory ............................................................................ 5-9 5.4.3 Data Limitations ........................................................................... 5-9 5.4.4 Repetitive Loss Properties ......................................................... 5-10 5.4.5 Exposure Assessment................................................................. 5-11 5.5 Hazard Profiles and Vulnerability Assessments .................................... 5-12 5.5.1 Avalanche .................................................................................. 5-13 5.5.2 Caving Ground (Mine Collapse) ................................................ 5-15 TABLE OF CONTENTS 5.5.3 Drought ...................................................................................... 5-16 5.5.4 Earthquake ................................................................................. 5-19 5.5.5 Epidemic .................................................................................... 5-22 5.5.6 Flood .......................................................................................... 5-30 5.5.7 Hazardous Materials Events ...................................................... 5-35 5.5.8 Severe Weather .......................................................................... 5-39 5.5.9 Terrorism.................................................................................... 5-43 5.5.10 Wildland Fire ............................................................................. 5-45 Section 6 SIX Capability Assessment ........................................................................... 6-1 6.1 Legal and Regulatory Capabilities ........................................................... 6-1 6.2 Administrative and Technical Capabilities .............................................. 6-4 6.3 Financial Capabilities ............................................................................... 6-6 6.4 Current Mitigation Capabilities ............................................................... 6-6 6.4.1 National Flood Insurance Program .............................................. 6-9 Section 7 SEVEN Mitigation Strategy ........................................................................... 7-1 7.1 Mitigation Goals and Objectives ............................................................. 7-1 7.2 Identifying Mitigation Actions ................................................................ 7-2 7.3 Evaluating and Prioritizing Mitigation Actions ....................................... 7-8 7.4 Implementing a Mitigation Action Plan .................................................. 7-9 Section 8 EIGHT Plan Maintenance .............................................................................. 8-1 8.1 Monitoring, Evaluating, and Updating the HMP ..................................... 8-1 8.2 Implementation through Existing Planning Mechanisms ........................ 8-2 8.3 Continued Public Involvement ................................................................ 8-3 Section 9 NINE References ............................................................................................ 9-1 List of Tables, Figures and Appendices Tables Table 3-1 Employment by Private Sector of County Labor Force Table 4-1 Plan Outline and Update Efforts Table 4-2 Storey County Hazard Mitigation Planning Committee Table 5-1 Vulnerability Ratings Rubric Table 5-2 Storey County 2020 Hazard Rankings Table 5-3 GIS Data Sources Table 5-4 Critical Facilities and Infrastructure Table 5-5 Droughts in Nevada Table 5-6 Earthquake Probability Table 5-7 Recent Historic Disease Outbreaks in the State of Nevada Table 5-8 Historical Floods Table 5-9 Hazardous Materials Release in County Table 5-10 Wildfire Assessment Summary by Community Table 6-1 Storey County Legal and Regulatory Capability Table 6-2 Storey County Administrative and Technical Capability Table 6-3 Storey County Fiscal Capability Table 6-4 Storey County Local Mitigation Capability Table 7-1 Mitigation Goals Table 7-2 Mitigation Goals and Actions Table 7-3 STAPLE+E Evaluation Criteria for Mitigation Actions Table 7-4 Action Plan Matrix Figures Figure 5-1 U.S. Drought Monitor: Nevada Drought Severity Figure 5-2 Historic Earthquakes in Storey County Figure 5-3 Age-Adjusted H1N1 Influenza Incidence and Vaccination by County, 2009-2010 List of Tables, Figures and Appendices Appendices Appendix A Adoption Resolution Appendix B Public Figures Figure B-1 ..........................................................................................Planning Area Figure B-2 .................................................................................................. Land Use Figure B-3 ............................................................. Earthquake Risk: 2% Probability Figure B-4 ........................................................... Earthquake Risk: 10% Probability Figure B-5 ................................................................................................ Flood Risk Figure B-6 ................................................................................... Wildland Fire Risk Appendix C Public Information Appendix D Meeting Agendas, Meeting Summaries, & Handouts Appendix E Plan Maintenance Documents Appendix F Mitigation Goals & Actions from Previous Plan Appendix G Critical Infrastructure and Hazardous Materials Figures (Not for Public Distribution) Figure G-1 ...................................................................................... Critical Facilities Figure G-2 ............................................. Critical Facilities and Hazardous Materials Figure G-3 ......................................... Storey County Assets: Vulnerability to Flood Figure G-4 ............................................ Storey County Assets: Vulnerability to Fire Appendix H FEMA Local Plan Review Tool Annexes Annex A Carson Water Subconservancy District List of Acronyms AIDS acquired immunodeficiency syndrome BLM United States Bureau of Land Management PW Public Works CIA Central Intelligence Agency CDC Centers for Disease Control and Prevention CFR Code of Federal Regulations County Storey County CWPP Community Wildfire Protection Plan DHS Department of Homeland Security DMA 2000 Disaster Mitigation Act of 2000 DOJ Department