Sandoval County Natural Hazards Mitigation Plan SEPTEMBER 2019 SANDOVAL COUNTY HAZARD MITIGATION PLAN SEPTEMBER 2019 TABLE OF CONTENTS EXECUTIVE SUMMARY ............................................................................................. 1 SECTION 1: INTRODUCTION ............................................................................................. 3 1.1 DMA 2000 Requirements ..........................................................................................3 1.1.1 General Requirements .................................................................................................. 3 1.1.2 Update Requirements ................................................................................................... 3 1.2 Official Jurisdiction Participation and Record of Adoption and Approval ...............4 1.3 Plan Purpose and Authority .....................................................................................4 1.4 Plan Description .......................................................................................................5 1.4.1 2014 Plan History ......................................................................................................... 5 1.4.2 General Content and Arrangement ............................................................................... 5 1.5 County Overview ......................................................................................................6 1.5.1 History .......................................................................................................................... 6 1.5.2 Geography .................................................................................................................... 6 1.5.3 Transportation .............................................................................................................. 8 1.5.4 Climate ......................................................................................................................... 9 1.5.5 Population ................................................................................................................... 13 1.5.6 Economy ..................................................................................................................... 14 1.5.7 Land Ownership/Management ................................................................................... 17 1.5.8 Unincorporated Area Growth Trends ......................................................................... 17 1.6 Jurisdictional Overviews......................................................................................... 19 1.6.1 Bernalillo, Town of .................................................................................................... 19 1.6.2 Corrales, Village of .................................................................................................... 21 1.6.3 Jemez, Pueblo of ........................................................................................................ 24 1.6.4 Jemez Springs, Village of ........................................................................................... 25 1.6.5 Rio Rancho, City of .................................................................................................... 26 1.6.6 San Ysidro, Village of ................................................................................................ 29 1.6.7 Sandia, Pueblo of ........................................................................................................ 31 1.6.8 Santo Domingo, Pueblo of ......................................................................................... 32 1.6.9 Southern Sandoval County Arroyo Flood Control Authority .................................... 33 SECTION 2: PLANNING PROCESS .................................................................................... 34 2.1 Planning Process Description .................................................................................. 35 2.2 Previous Planning Process Assessment ................................................................... 35 2.3 Planning Team ........................................................................................................ 35 2.3.1 Points of Contact ........................................................................................................ 36 2.3.2 Planning Team Assembly ........................................................................................... 41 2.3.3 Planning Team Activities ........................................................................................... 41 2.3.4 Agency/Organizational Participation ......................................................................... 41 2.4 Public Involvement ................................................................................................. 43 2.4.1 Previous Plan Assessment .......................................................................................... 43 2.4.2 Plan Update Strategy .................................................................................................. 43 2.5 Reference Documents and Technical Resources ...................................................... 44 2.6 Plan Integration into Other Planning Mechanisms ................................................. 44 2.6.1 Past Plan Incorporation/Integration Assessment ........................................................ 44 2.6.2 Five Year Plan Integration/Incorporation Strategy .................................................... 45 2.6.3 Plan Incorporation Process ......................................................................................... 48 Sandoval County HMP Page i SANDOVAL COUNTY HAZARD MITIGATION PLAN SEPTEMBER 2019 SECTION 3: RISK ASSESSMENT ........................................................................................ 51 3.1 Hazard Identification and Screening ...................................................................... 51 3.2 Vulnerability Analysis Methodology ....................................................................... 53 3.2.1 General ....................................................................................................................... 53 3.2.2 Calculated Priority Risk Index (CPRI) Evaluation .................................................... 54 3.2.3 Critical Facilities and Infrastructure .......................................................................... 56 3.2.4 Loss Estimations ........................................................................................................ 57 3.2.5 Development Trend Analysis .................................................................................... 58 3.3 Hazard Risk Profiles ............................................................................................... 59 3.3.1 Dam Failure ............................................................................................................... 59 3.3.2 Drought ...................................................................................................................... 71 3.3.3 Flooding ..................................................................................................................... 90 3.3.4 Severe Weather .......................................................................................................... 98 3.3.5 Severe Wind ............................................................................................................. 129 3.3.6 Wildfire .................................................................................................................... 137 3.4 Risk Assessment Summary ................................................................................... 163 SECTION 4: MITIGATION STRATEGY ............................................................................. 165 4.1 Capability Assessment .......................................................................................... 165 4.1.1 Jurisdictional Capabilities ........................................................................................ 165 4.1.2 National Flood Insurance Program Participation ..................................................... 179 4.2 Hazard Mitigation Goals ...................................................................................... 186 4.3 Mitigation Actions/Projects .................................................................................. 186 4.3.1 Previous Mitigation Actions / Projects Assessment ................................................ 186 4.3.2 New Mitigation Actions / Projects and Implementation Strategy ........................... 201 SECTION 5: PLAN MAINTENANCE STRATEGY ................................................................ 237 5.1 Monitoring and Evaluation ................................................................................... 237 5.1.1 Past Plan Cycle ........................................................................................................ 237 5.1.2 Proposed Schedule and Scope ................................................................................. 237 5.2 Plan Update .......................................................................................................... 238 5.3 Continued Public Involvement .............................................................................. 239 LIST OF MAPS (located within Section 3) Maps 1A-1D – Dam Failure Hazard Maps – County Wide Maps 1E-1J – Dam Failure Hazard Maps – Jurisdiction Specific Maps 2A-2D – Flood Hazard Maps – County