HAZARD, RISK AND VULNERABILITY ASSESSMENT DISTRICT OF SUMMERLAND FINAL REPORT FEBRUARY 2006 This project was funded in part by a grant from the Union of British Columbia Municipalities Prepared for: District of Summerland British Columbia Prepared by: EmergeX Planning Inc. 1202 – 700 West Pender Street Vancouver, BC, V6C 1G8 Leaders In Emergency Management www.emergexplanning.com Statement of Limitations and Disclaimer This information is the property of the District of Summerland and may be used by the Client or those controlled by the Client, including EmergeX Planning Inc. (EmergeX), for the purposes outlined in the scope of work. The information contained in this document is the application of EmergeX’s professional expertise and where applicable professional opinion, subject to the accuracy and content of available information and the scope of work. The user of this information accepts full responsibility for any errors or omissions contained therein. Table of Contents TABLE OF CONTENTS ................................................................................................................................. I EXECUTIVE SUMMARY............................................................................................................................III 1.0 INTRODUCTION ..............................................................................................................................1 1.1 HAZARD, RISK, AND VULNERABILITY ANALYSIS ...............................................................................1 1.2 SCOPE...............................................................................................................................................2 1.3 METHODOLOGY................................................................................................................................3 2.0 DISTRICT OF SUMMERLAND OVERVIEW ..............................................................................4 2.1 SETTING............................................................................................................................................4 2.2 POPULATION.....................................................................................................................................4 2.3 ECONOMY.........................................................................................................................................5 2.4 EMERGING ISSUES.............................................................................................................................5 3.0 VULNERABILITY ............................................................................................................................6 3.1 SOCIAL VULNERABILITY ..................................................................................................................6 3.1.1 Language Groups...................................................................................................................6 3.1.2 Age groups..............................................................................................................................6 3.2 CRITICAL FACILITIES........................................................................................................................6 3.3 CRITICAL INFRASTRUCTURE .............................................................................................................7 3.3.1 Water......................................................................................................................................8 3.3.2 Energy ..................................................................................................................................10 3.3.3 Communications...................................................................................................................11 3.3.4 Transportation......................................................................................................................11 4.0 RESPONSE CAPABILITIES..........................................................................................................13 4.1 FIRE................................................................................................................................................13 4.2 POLICE............................................................................................................................................14 4.3 AMBULANCE...................................................................................................................................14 4.4 SEARCH AND RESCUE .....................................................................................................................14 5.0 EMERGENCY SUPPORT AND PREPAREDNESS ORGANIZATIONS.................................15 5.1 MUNICIPAL EMERGENCY OPERATIONS CENTRE .............................................................................15 5.2 PUBLIC WORKS AND UTILITIES ......................................................................................................15 5.3 EMERGENCY SOCIAL SERVICES (ESS)............................................................................................16 5.4 AMATEUR RADIO............................................................................................................................16 5.5 HEALTH AUTHORITIES....................................................................................................................16 5.6 HAZMAT ......................................................................................................................................17 6.0 HAZARDS.........................................................................................................................................18 6.1 ATMOSPHERIC ...........................................................................................................................18 6.1.1 Blizzards...............................................................................................................................18 6.1.2 Hail Storms...........................................................................................................................19 6.1.3 Heat Waves...........................................................................................................................19 6.1.4 Ice Storms.............................................................................................................................20 6.1.5 Lightning ..............................................................................................................................20 6.1.6 Snowstorms...........................................................................................................................21 6.1.7 Tornadoes.............................................................................................................................22 6.2 GEOLOGICAL..............................................................................................................................23 District of Summerland i Hazard Risk and Vulnerability Assessment 6.2.1 Avalanches ...........................................................................................................................23 6.2.2 Landslides: Debris Flows, Debris Avalanches, and Rock Falls...........................................23 6.2.3 Seismic Event........................................................................................................................25 6.2.4 Volcanic Ash Fallout............................................................................................................25 6.2.5 Land Subsidence...................................................................................................................26 6.3 HYDROLOGICAL........................................................................................................................26 6.3.1 Drought ................................................................................................................................26 6.3.2 Erosion and Sedimentation...................................................................................................28 6.3.3 Flooding ...............................................................................................................................28 6.3.4 Ice Jams................................................................................................................................29 6.3.5 Freshets................................................................................................................................29 6.3.6 Local Terrestrial Tsunami....................................................................................................30 6.4 FIRE...............................................................................................................................................31 6.4.1 Forest Fire and Wildland Urban Interface Fire...................................................................31 6.4.2 Structure Fire .......................................................................................................................32 6.5 DIESEASES, EPIDEMICS, PANDEMICS...................................................................................32 6.5.1 Water Supply Contamination ...............................................................................................32 6.5.2 Pandemics ............................................................................................................................33