City of Rohnert Park - 2017 Local Hazard Mitigation Plan DRAFT CITY OF ROHNERT PARK | 130 AVRAM AVE, ROHNERT PARK, CA 94928 CITY OF ROHNERT PARK - 2017 LOCAL HAZARD MITIGATION PLAN Table of Contents Introduction ................................................................................................................................................................................................4 Purpose .....................................................................................................................................................................................................4 Compliance ...............................................................................................................................................................................................5 Mitigation Goals and Priorities ................................................................................................................................................................7 Planning Process ........................................................................................................................................................................................8 FEMA Element A: Planning Process .......................................................................................................................................................8 Scoping and Kick-Off ..............................................................................................................................................................................8 Schedule and Process ...............................................................................................................................................................................9 Team Members .......................................................................................................................................................................................10 Public Outreach and Stakeholder Involvement Opportunities ...............................................................................................................11 Review of Existing Plans and Technical Information ............................................................................................................................12 Community Profile...................................................................................................................................................................................13 Physical Setting ......................................................................................................................................................................................13 Historic and Current conditions .............................................................................................................................................................14 Community Profile .................................................................................................................................................................................15 Economic Trends ....................................................................................................................................................................................16 Specific Plan Areas ................................................................................................................................................................................16 Downtown Development ........................................................................................................................................................................17 Housing Development ............................................................................................................................................................................18 Population Data ......................................................................................................................................................................................20 Critical facilities .....................................................................................................................................................................................24 Hazard Identification, Analysis and Assessment .................................................................................................................................30 FEMA Element B Hazard Identification and Risk Assessment .............................................................................................................30 ROHNERT PARK - LHMP 1 CITY OF ROHNERT PARK - 2017 LOCAL HAZARD MITIGATION PLAN Primary Hazard Profiles .........................................................................................................................................................................31 Earthquake (Shaking).....................................................................................................................................................................31 Earthquake (Liquefaction) .............................................................................................................................................................33 Flooding (Local) ............................................................................................................................................................................37 Flooding (FEMA) ..........................................................................................................................................................................37 Drought ..........................................................................................................................................................................................45 Minor Hazard Profiles ............................................................................................................................................................................50 Wildland Urban Interface - Fire .....................................................................................................................................................50 Hazardous Materials ......................................................................................................................................................................53 Landslide ........................................................................................................................................................................................54 Dam Inundation .............................................................................................................................................................................57 Earthquake Faulting .......................................................................................................................................................................58 Summary of Vulnerabilities ...................................................................................................................................................................60 Vulnerability Analysis ............................................................................................................................................................................61 Mitigation Strategy ..................................................................................................................................................................................70 FEMA Element C Mitigation Strategy ...................................................................................................................................................70 Mitigation Goals .....................................................................................................................................................................................71 Mitigation Activities ..............................................................................................................................................................................74 Plan Maintenance Procedures ................................................................................................................................................................92 FEMA Element D Plan Review, Evaluation, and Implementation ........................................................................................................92 Plan Monitoring and Updating ...............................................................................................................................................................93 Capabilities Assessment .........................................................................................................................................................................87 Methods and Schedule ...........................................................................................................................................................................93 Continued Public Involvement ...............................................................................................................................................................93 Adoption and State Requirements .........................................................................................................................................................93 Adoption Process ....................................................................................................................................................................................93