Stanislaus County Office of Emergency Services Local Hazard Mitigation Plan July 2017 For more information please contact: Dale Skiles Assistant Director of Emergency Services 3705 Oakdale Road Modesto, California 95357 Phone (209) 552-3600 • Fax (209) 552-3602 [email protected] This Page Intentionally Left Blank TABLE OF CONTENTS SECTION ONE - INTRODUCTION ................................................................................. 1 Purpose ................................................................................................................................................. 1 Hazard Mitigation Planning ................................................................................................................. 1 Planning Requirements ....................................................................................................................... 1 Disaster Funded Grants: ...................................................................................................................... 2 Plan Update ........................................................................................................................................... 2 Plan Components ................................................................................................................................. 2 Summary ............................................................................................................................................... 3 SECTION TWO - PREREQUISITES ............................................................................... 5 Stanislaus County Board Of Supervisors .......................................................................................... 5 Adoption by Local Governing Body ................................................................................................... 5 Plan Update ........................................................................................................................................... 6 Plan Expiration Date ............................................................................................................................. 6 Plan Adoption ....................................................................................................................................... 6 SECTION THREE - COMMUNITY PROFILE ................................................................. 7 General Information ............................................................................................................................. 7 Rivers ..................................................................................................................................................... 8 Transportation ...................................................................................................................................... 8 Highways/Roads/Bridges .................................................................................................................... 8 Airports .................................................................................................................................................. 8 Railroads ............................................................................................................................................... 8 Medical Facilities .................................................................................................................................. 9 Arts, Entertainment and Recreation ................................................................................................... 9 County Population ................................................................................................................................ 9 Household Income ....................................................................................................................... 13 Education ............................................................................................................................................ 13 Post-Secondary Education ......................................................................................................... 13 Stanislaus Public School Enrollment ........................................................................................ 13 Economy .............................................................................................................................................. 14 Unemployment Rate Comparison ..................................................................................................... 16 Housing ............................................................................................................................................... 17 Single-Family Building Permits ......................................................................................................... 18 Commuters .......................................................................................................................................... 19 SECTION FOUR - PLANNING PROCESS ................................................................... 25 Planning Team Members ................................................................................................................... 25 LHMP Kick-Off Meeting ...................................................................................................................... 27 i TABLE OF CONTENTS Public Involvement in the Plan Development Process/Declaration of Intent to Participate with Stanislaus County .................................................................................................. 27 Plan Facts ............................................................................................................................................ 34 Involvement of Other Stakeholders in the Plan Development Process ........................................ 36 Geographical Information System (GIS) Project Planning ............................................................. 36 Public Works/GIS Project Planning Meetings ................................................................................. 36 GIS Scope Of Work For Each Hazard Includes: .............................................................................. 37 Strategic Business Technology (SBT)—Geographical Information System (GIS) ...................... 37 Risk Assessment Meeting ................................................................................................................. 37 Mitigation Strategy Meeting ............................................................................................................... 37 Joint Disaster Council/Operational Area Council Meeting ............................................................ 38 Final Review ........................................................................................................................................ 38 SUPPLEMENTAL Review ................................................................................................................... 38 Review and Incorporation of Existing Plans ................................................................................... 40 SECTION FIVE - RISK ASSESSMENT ........................................................................ 43 Introduction ......................................................................................................................................... 43 EARTHQUAKE HAZARD .................................................................................................................... 45 Identifying Hazard ........................................................................................................................ 45 Profiling Hazard ............................................................................................................................ 45 Location ........................................................................................................................................ 45 Extent ............................................................................................................................................ 45 Probability of Future Events ....................................................................................................... 45 New Occurrences ......................................................................................................................... 47 Assessing Vulnerability: Overview ........................................................................................... 47 Assessing Vulnerability: Identifying Structures/Estimating Potential Losses..................... 47 Assessing Vulnerability: Analyzing Development Trends ..................................................... 48 Impact of Climate Change ........................................................................................................... 49 LANDSLIDE HAZARD ......................................................................................................................... 51 Identifying Hazard ........................................................................................................................ 51 Profiling Hazard ............................................................................................................................ 51 Location ........................................................................................................................................ 51 Extent ...........................................................................................................................................