Gila County Multi-Jurisdictional Hazard Mitigation Plan
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Cover March 2019 i This page is intentionally left blank. ii GILA COUNTY MULTI-JURISDICTIONAL Local Hazard Mitigation Plan (MJLHMP) RECORD OF REVIEWS AND REVISIONS Revision # Date Sections Reviewed or Revisions Made Entered by March 2018 i Record of Reviews or Revisions GILA COUNTY MULTI-JURISDICTIONAL Local Hazard Mitigation Plan (MJLHMP) This page is intentionally left blank. March 2018 ii Record of Reviews or Revisions GILA COUNTY MULTI-JURISDICTIONAL Local Hazard Mitigation Plan (MJLHMP) TABLE OF CONTENTS RECORD OF REVIEWS AND REVISIONS ................................................................................................ I TABLE OF CONTENTS ........................................................................................................................ III SECTION 1: INTRODUCTION ...............................................................................................................1 1.1 Background ..................................................................................................................................... 1 1.2 Disaster Mitigation Act of 2000 ..................................................................................................... 2 1.3 Authority and Adoption................................................................................................................. 2 1.4 Official Record of Adoption .......................................................................................................... 3 1.5 Grant Programs with Mitigation Plan Requirements ................................................................. 3 1.5.1 Stafford Act Grant Programs .................................................................................................... 3 1.5.2 National Flood Insurance Act Grant Programs ......................................................................... 4 1.6 FEMA Approval Letter ................................................................................................................. 5 SECTION 2: PLANNING PROCESS ........................................................................................................9 2.1 Plan History .................................................................................................................................... 9 2.2 Plan Purpose and Authority .........................................................................................................10 2.3 References and Documents ...........................................................................................................10 2.4 Planning Process Description .......................................................................................................13 2.5 Planning Team ...............................................................................................................................13 2.5.1 Planning Team Assembly ........................................................................................................14 2.5.2 Planning Activities ...................................................................................................................15 2.6 Community Engagement ..............................................................................................................16 SECTION 3: COMMUNITY DESCRIPTIONS .......................................................................................... 17 3.1 County Overview ...........................................................................................................................17 3.1.1 Geography ................................................................................................................................17 3.1.2 Climate .....................................................................................................................................21 3.1.3 Population and Demographics .................................................................................................23 3.1.4 Economy ..................................................................................................................................23 3.1.5 Land Use and Developing Trends ............................................................................................24 3.1.6 Past Disasters ...........................................................................................................................26 3.2 Jurisdictional Overviews ..............................................................................................................27 3.2.1 City of Globe ............................................................................................................................27 March 2018 iii Table of Contents GILA COUNTY MULTI-JURISDICTIONAL Local Hazard Mitigation Plan (MJLHMP) 3.2.2 Town of Hayden ......................................................................................................................29 3.2.3 Town of Miami ........................................................................................................................30 3.2.4 Town of Payson .......................................................................................................................31 3.2.5 Town of Winkelman ..........................................................................................................................35 SECTION 4: CAPABILITIES ASSESSMENT ............................................................................................ 37 4.1 Legal and Regulation Capabilities ...............................................................................................37 4.2 Administrative and Technical Capabilities .................................................................................45 4.3 Fiscal Capabilities .........................................................................................................................47 4.4 Education and Outreach ...............................................................................................................48 4.5 National Flood Insurance Program Participation ......................................................................49 SECTION 5: RISK ASSESSMENT .......................................................................................................... 51 5.1 Hazard Identification and Screening ...........................................................................................51 5.2 Vulnerability Analysis Methodology ...........................................................................................55 5.2.1 Calculated Priority Risk Index (CPRI) Evaluation ..................................................................55 5.2.2 Asset Inventory ........................................................................................................................58 5.3 Hazard Risk Profiles .....................................................................................................................63 5.3.1 Climate Change ........................................................................................................................63 5.3.2 Dam Inundation ..................................................................................................................................68 5.3.3 Drought ....................................................................................................................................70 5.3.4 Flood / Flash Flood ..................................................................................................................75 5.3.5 Hazardous Materials Incidents .................................................................................................79 5.3.6 Severe Wind .............................................................................................................................83 3.3.7 Transportation Accidents .........................................................................................................88 5.3.8 Wildfire ....................................................................................................................................91 5.3.9 Winter Storm ............................................................................................................................95 5.4 Risk Assessment Summary .........................................................................................................100 SECTION 6: MITIGATION STRATEGY ................................................................................................ 104 6.1 Hazard Mitigation Mission Statement ......................................................................................105 6.2 Mitigation Goals and Actions .....................................................................................................105 6.3 Mitigation Actions/Projects and Implementation Strategy .....................................................106 6.3.1 Previous Mitigation Actions/Projects Assessment .................................................................107 6.3.2 New Mitigation Actions / Projects and Implementation Strategy ..........................................112 March 2018 iv Table of Contents GILA COUNTY MULTI-JURISDICTIONAL Local Hazard Mitigation Plan (MJLHMP) SECTION 7: PLAN MAINTENANCE PROCEDURES ............................................................................. 117 7.1 Monitoring and Evaluation ........................................................................................................118 7.2 Plan Update .................................................................................................................................118