City of Irvine
2020 Local Hazard Mitigation Plan
Hazardous Materials Release .............................................................................................................. 57 Human-Caused Hazards ...................................................................................................................... 59 Seismic Hazards................................................................................................................................... 66 Severe Weather (Extreme Heat, Severe Wind, Rain) .......................................................................... 75 Wildfire................................................................................................................................................ 81 CHAPTER 4 – THREAT AND VULNERABILITY .....................................85 THREAT ASSESSMENT PROCESS ............................................................................ 85 CRITICAL FACILITIES AND FACILITIES OF CONCERN ............................................ 85 VULNERABLE POPULATIONS .................................................................................... 86 OTHER ASSETS........................................................................................................... 88 THREAT PROFILES ..................................................................................................... 89 Aircraft Incident .................................................................................................................................. 89 Dam Failure ......................................................................................................................................... 90 Diseases and Pests .............................................................................................................................. 92 Drought ............................................................................................................................................... 95 Flooding (Sea Level Rise) ..................................................................................................................... 95 Geologic Hazards................................................................................................................................. 98 Hazardous Materials Release ............................................................................................................ 101 Human-Caused Hazards .................................................................................................................... 104 Seismic Hazards................................................................................................................................. 106 Severe Weather................................................................................................................................. 112 Wildfire.............................................................................................................................................. 113 CHAPTER 5 – HAZARD MITIGATION STRATEGY ..............................117 STRATEGY DEVELOPMENT PROCESS .................................................................. 117 USE OF HAZARD AND THREAT ASSESSMENT ...................................................... 117 CAPABILITIES ASSESSMENT................................................................................... 117 HAZARD MITIGATION STRATEGIES AND ACTIONS............................................... 125 Hazard Mitigation Goals .................................................................................................................... 125 Evaluation of Potential Hazard Mitigation Actions ............................................................................ 125 Prioritization...................................................................................................................................... 126 NATIONAL FLOOD INSURANCE PROGRAM ........................................................... 13 8 CHAPTER 6 – PLAN MAINTENANCE...................................................1 39 COORDINATING BODY ............................................................................................. 1 39 PLAN IMPLEMENTATION .......................................................................................... 14 0 PLAN MAINTENANCE PROCESS ............................................................................. 14 0 PLAN MONITORING AND EVALUATION............................................................................................. 14 1 PLAN UPDATES .................................................................................................................................. 14 1 CONTINUED PUBLIC INVOLVEMENT ................................................................................................. 14 3 POINT OF CONTACT ................................................................................................. 14 3 REFERENCES .......................................................................................14 5
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