Orange Hazard Mitigation Plan Public Comment Draft

PUBLIC COMMENT DRAFT - SEPEMBER 2020 Town of Orange Hazard Mitigation Plan Photo credit: Greenfield Recorder Adopted by the Orange Select Board on xx, xx Prepared by Orange Hazard Mitigation Committee and Franklin Regional Council of Governments 12 Olive Street, Suite 2 Greenfield, MA 01301 (413) 774-3167 www.frcog.org This project was funded by grants received from the Massachusetts Emergency Management Agency (MEMA) and the Federal Emergency Management Agency (FEMA). Acknowledgements The Orange Select Board extends special thanks to the Orange Hazard Mitigation Planning Committee as follows: James Young, Orange Fire Chief & Emergency Management Director Jane Pierce, Board of Selectmen Mercedes Clingerman, Planning Board Colin Killay, Highway Superintendent Ken Wysk, Water Department Superintendent Phil Harris, Building Inspector Brenda Anderson, Representative for local businesses Glen Ohlund, Franklin County Housing & Redevelopment Authority Gabe Voelker, Town of Orange Administrator Leanna Dennis, Town of Orange Administrative Assistant Alec Wade, Director of Community Development The Orange Select Board offers thanks to the Massachusetts Emergency Management Agency (MEMA) for developing the 2018 Massachusetts Hazard Mitigation and Climate Adaptation Plan which served as a resource for this plan and to staff for reviewing and commenting on the draft plan and to the Federal Emergency Management Agency (FEMA) for making the funds available and for the development of the Local Mitigation Planning Handbook, which provides a thorough overview of the Mitigation Planning process. Franklin Regional Council of Governments Peggy Sloan, Director of Planning & Development Kimberly Noake MacPhee, Land Use & Natural Resources Program Manager Alyssa Larose, Senior Land Use & Natural Resources Planner Helena Farrell, Land Use & Natural Resources Planner Allison Gage, Land Use & Natural Resources Planner Xander Sylvain, Emergency Preparedness Program Assistant Ryan Clary, Senior GIS Specialist Town of Orange Hazard Mitigation Plan i Contents 1 PLANNING PROCESS .............................................................................................................................. 1 1.1 INTRODUCTION ................................................................................................................................... 1 1.2 HAZARD MITIGATION COMMITTEE ..................................................................................................... 1 1.3 PARTICIPATION BY STAKEHOLDERS ..................................................................................................... 3 2 LOCAL PROFILE AND PLANNING CONTEXT ............................................................................................ 6 2.1 COMMUNITY SETTING ......................................................................................................................... 6 2.2 IMPACTS OF CLIMATE CHANGE ......................................................................................................... 19 3 HAZARD IDENTIFICATION AND RISK ASSESSMENT .............................................................................. 26 3.1 NATURAL HAZARD RISK ASSESSMENT METHODOLOGY .................................................................... 28 3.2 FLOODING.......................................................................................................................................... 32 3.3 SEVERE SNOWSTORMS / ICE STORMS .............................................................................................. 56 3.4 HURRICANES / TROPICAL STORMS .................................................................................................... 69 3.5 SEVERE THUNDERSTORMS / WIND / MICROBURSTS ........................................................................ 80 3.6 TORNADOES ...................................................................................................................................... 94 3.7 WILDFIRE ......................................................................................................................................... 106 3.8 EARTHQUAKES ................................................................................................................................. 122 3.9 DAM FAILURE .................................................................................................................................. 134 3.10 DROUGHT ........................................................................................................................................ 142 3.11 LANDSLIDES ..................................................................................................................................... 151 3.12 EXTREME TEMPERATURES .............................................................................................................. 158 3.13 INVASIVE SPECIES ............................................................................................................................ 177 3.14 OTHER HAZARDS ............................................................................................................................. 193 3.14.1 VECTOR-BORNE DISEASES ................................................................................................. 193 3.14.2 MANMADE HAZARDS ........................................................................................................ 204 4 MITIGATION CAPABILITIES & STRATEGIES ......................................................................................... 213 4.1 NATURE-BASED SOLUTIONS FOR HAZARD MITIGATION & CLIMATE RESILIENCY ........................... 213 4.2 EXISTING AUTHORITIES POLICIES, PROGRAMS, & RESOURCES ....................................................... 214 4.3 HAZARD MITIGATION GOAL STATEMENTS AND ACTION PLAN....................................................... 232 5 PLAN ADOPTION AND MAINTENANCE .............................................................................................. 245 5.1 PLAN ADOPTION .............................................................................................................................. 245 5.2 PLAN MAINTENANCE PROCESS ....................................................................................................... 245 Town of Orange Hazard Mitigation Plan ii Table of Tables Table 2-1: Orange 2016 MassGIS Land Cover and Land Use Data ................................................................ 7 Table 2-2: New residential and commercial permits issued in Orange 2015-2020 .................................... 10 Table 2-3: Orange Cultural Resources ........................................................................................................ 18 Table 3-1: Comparison of Hazards in the Massachusetts State Hazard Mitigation and Climate Adaptation Plan, Orange Hazard Mitigation Plan, and Orange MVP Resiliency Plan .................................................... 26 Table 3-2: Location of Occurrence Rating Scale ......................................................................................... 28 Table 3-3: Probability of Occurrence Rating Scale ...................................................................................... 29 Table 3-4: Impacts Rating Scale .................................................................................................................. 29 Table 3-5: Orange Hazard Identification and Risk Analysis ........................................................................ 30 Table 3-6: Previous Occurrences of Flash Floods in Franklin County ......................................................... 43 Table 3-7: Previous Occurrences of Floods in Franklin County................................................................... 43 Table 3-8: Flooding Events in Orange since 1993 ....................................................................................... 44 Table 3-9: Estimated Orange Population Exposed to a 1 Percent Flood Event .......................................... 47 Table 3-10: Estimated Vulnerable Populations in Orange .......................................................................... 47 Table 3-11: Acres of Commercial, Industrial, and Public/Institutional Land Use Within the Flood Hazard Area in Orange ............................................................................................................................................ 50 Table 3-12: Total Building Value in Flood Hazard Area .............................................................................. 50 Table 3-13: NFIP Policies, Claims, and Repetitive Loss Statistics for Orange .............................................. 51 Table 3-14: Regional Snowfall Index Categories ......................................................................................... 59 Table 3-15: Northeast Snowfall Impact Scale Categories .......................................................................... 59 Table 3-16: High-Impact Snowstorms in Franklin County, 1958 - 2018 ..................................................... 61 Table 3-17: Estimated Vulnerable Populations in Orange .......................................................................... 63 Table 3-18: Estimated Potential Loss by Tax Classification in Orange ........................................................ 65 Table 3-19: Saffir-Simpson Scale ................................................................................................................. 72 Table 3-20: Estimated Vulnerable

Load more