Hazard Mitigation Plan
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Dona Ana County City of Anthony, City of Las Cruces, Elephant Butte Irrigation District, Village of Hatch, Town of Mesilla, New Mexico State University, and City of Sunland Park ALL HAZARD MITIGATION PLAN Final: June 2021 FOR OFFICIAL USE ONLY Doña Ana County, City of Anthony, Elephant Butte Irrigation District, Village of Hatch, City of Las Cruces, Town of Mesilla, New Mexico State University and City of Sunland Park ALL HAZARD MITIGATION PLAN 2020 TABLE OF CONTENTS SECTION 1: INTRODUCTION .................................................................................................... 1 1.1 DMA 2000 Requirements ..................................................................................... 1 1.1.1 General Requirements ....................................................................................... 1 1.1.2 Update Requirements ........................................................................................ 1 1.2 Official Jurisdiction Participation and Record of Adoption and Approval .... 2 1.3 Plan Purpose and Authority ................................................................................ 2 1.4 Plan Description .................................................................................................... 3 1.4.1 2013 Plan History ............................................................................................. 3 1.4.2 General Content and Arrangement ................................................................... 3 SECTION 2: JURISDICTIONAL DESCRIPTIONS ......................................................................... 5 2.1 County Overview .................................................................................................. 5 2.1.1 History............................................................................................................... 5 2.1.2 Geography ......................................................................................................... 5 2.1.3 Transportation ................................................................................................... 7 2.1.4 Climate .............................................................................................................. 7 2.1.5 Population ....................................................................................................... 10 2.1.6 Economy ......................................................................................................... 12 2.1.7 Land Ownership/Management ........................................................................ 15 2.1.8 Unincorporated Area Growth Trends ............................................................. 17 2.2 Jurisdictional Overviews .................................................................................... 19 2.2.1 City of Anthony .............................................................................................. 19 2.2.2 Elephant Butte Irrigation District.................................................................... 21 2.2.3 Village of Hatch .............................................................................................. 25 2.2.4 City of Las Cruces .......................................................................................... 29 2.2.5 Town of Mesilla .............................................................................................. 32 2.2.6 New Mexico State University ......................................................................... 35 2.2.7 City of Sunland Park ....................................................................................... 41 SECTION 3: PLANNING PROCESS ........................................................................................... 43 3.1 Planning Process Description............................................................................. 43 3.2 Previous Planning Process Assessment ............................................................. 43 3.3 Planning Team .................................................................................................... 44 3.3.1 General ............................................................................................................ 44 3.3.2 Primary Point of Contact ................................................................................ 45 3.3.3 Steering Committee Assembly ....................................................................... 45 3.3.5 Agency/Organizational Participation .............................................................. 51 3.4 Public Involvement ............................................................................................. 53 3.4.1 Previous Plan Assessment............................................................................... 53 3.4.2 Plan Update Strategy....................................................................................... 54 3.5 Reference Documents and Technical Resources .............................................. 56 3.6 Plan Integration Into Other Planning Mechanisms ........................................ 58 3.6.1 Past Plan Incorporation/Integration Assessment ............................................ 58 FOR OFFICIAL USE ONLY Page i Doña Ana County, City of Anthony, Elephant Butte Irrigation District, Village of Hatch, City of Las Cruces, Town of Mesilla, New Mexico State University and City of Sunland Park ALL HAZARD MITIGATION PLAN 2020 3.6.2 Five Year Plan Integration/Incorporation Strategy ......................................... 60 3.6.3 Plan Incorporation Process ............................................................................. 62 SECTION 4: RISK ASSESSMENT ............................................................................................. 66 4.1 Hazard Identification and Screening ................................................................ 66 4.2 Vulnerability Analysis Methodology ................................................................. 69 4.2.1 General ............................................................................................................ 69 4.2.2 Calculated Priority Risk Index (CPRI) Evaluation ......................................... 69 4.2.3 Critical Facilities and Infrastructure ............................................................... 72 4.2.4 Loss Estimations ............................................................................................. 74 4.2.5 Development Trend Analysis ......................................................................... 76 4.3 Hazard Risk Profiles ........................................................................................... 77 4.3.1 Dam Failure .................................................................................................... 78 4.3.2 Drought ........................................................................................................... 97 4.3.3 Extreme Cold ................................................................................................ 105 4.3.4 Flooding ........................................................................................................ 111 4.3.5 Severe Wind .................................................................................................. 137 4.3.6 Thunderstorms (Lightening & Hail) ............................................................. 145 4.3.7 Wildfire ......................................................................................................... 152 SECTION 5: MITIGATION STRATEGY ................................................................................... 182 5.1 Capability Assessment ...................................................................................... 182 5.1.1 Jurisdictional Capabilities ............................................................................. 182 5.1.2 National Flood Insurance Program Participation .......................................... 205 5.2 Hazard Mitigation Goals .................................................................................. 211 5.3 Mitigation Actions/Projects.............................................................................. 211 5.3.1 Previous Mitigation Actions/Projects Assessment ....................................... 211 5.3.2 New Mitigation Actions / Projects and Implementation Strategy ................ 230 SECTION 6: PLAN MAINTENANCE PROCEDURES ................................................................ 275 6.1 Monitoring and Evaluation .............................................................................. 275 6.1.1 Past Plan Cycle ............................................................................................. 275 6.1.2 Proposed Schedule and Scope ...................................................................... 275 6.2 Plan Update ....................................................................................................... 276 6.3 Continued Public Involvement ........................................................................ 277 LIST OF MAPS Maps 1A-1F – Dam Failure Hazard Maps Maps 2A-2D – Flood Hazard Maps – County Wide Maps 2E-2O – Flood Hazard Maps – Jurisdiction Specific Maps 3A-3D – Wildfire Hazard Map(s) – County Wide Maps 3E-3O – Wildfire Hazard Maps – Jurisdiction Specific FOR OFFICIAL USE ONLY Page ii Doña Ana County, City of Anthony, Elephant Butte Irrigation District, Village of Hatch, City of Las Cruces, Town of Mesilla, New Mexico State University and City of Sunland Park ALL HAZARD MITIGATION PLAN 2020 LIST OF FIGURES Figure 2-1: