Sagadahoc County, Maine Hazard Mitigation Plan – 2016 Update Sagadahoc County Emergency Management Agency 752 High Street Bath, Maine 04530 Sagadahoc County Hazard Mitigation Plan – 2016 Update Table of Contents 1. Introduction Overview ................................................................................................................ 1-1 Municipal Population .............................................................................................. 1-1 2. Adoptions 1. Adoption by the Local Governing Body .............................................................. 2-1 2. Multi-Jurisdictional Plan Adoption ...................................................................... 2-1 Resolution .............................................................................................................. 2-2 3. Planning Process 3. Multi-Jurisdictional Planning Participation ........................................................... 3-1 A. Description of Local Participation .................................................................. 3-1 B. Status of Local Participation........................................................................... 3-2 4. Documentation of the Planning Process ............................................................ 3-2 A. Narrative Description .................................................................................... 3-3 B. Parties involved in the Planning Process ...................................................... 3-4 C. How the Public was given an Opportunity to be Heard ................................. 3-5 D. Opportunities for Additional Comments. ....................................................... 3-5 E. Review and Incorporation of Existing Plans and Studies .............................. 3-5 F. How the Planning Team reviewed and analyzed Each Section ..................... 3-5 4. Risk Assessment 5. Identifying Hazards ............................................................................................ 4-1 A. Description of All Natural Hazards affecting Lincoln County ......................... 4-2 Rating of Hazards ............................................................................................. 4-7 6. Profiling Hazards ............................................................................................... 4-7 Flooding ............................................................................................................ 4-8 General definition of flooding ............................................................................ 4-8 Types of flooding .............................................................................................. 4-8 A. Location of Flooding Hazard ........................................................................ 4-8 B. Extent (Severity) of the hazard .................................................................... 4-9 C. Previous Occurrences ............................................................................... 4-10 D. Probability of Occurrence .......................................................................... 4-12 Severe Winter Storms ..................................................................................... 4-12 General definition of severe summer storm events ......................................... 4-12 Types of severe summer storm events ........................................................... 4-12 A. Location of Severe Summer Storm Events ................................................ 4-13 B. Extent (Severity) of the Hazard .................................................................. 4-13 C. Previous Occurrences ............................................................................... 4-14 D. Probability of Occurrence .......................................................................... 4-15 i Severe Summer Storms.................................................................................. 4-15 General definition ........................................................................................... 4-15 Types of winter storms in Lincoln County ........................................................ 4-15 A. Location of Hazard .................................................................................... 4-16 B. Extent (Severity) of the Hazard .................................................................. 4-16 C. Previous Occurrences ............................................................................... 4-16 D. Probability of Occurrence .......................................................................... 4-17 Wildfire ........................................................................................................... 4-17 A. Location of Hazard .................................................................................... 4-17 B. Extent (Severity) of the Hazard .................................................................. 4-17 C. Previous Occurrences ............................................................................... 4-18 D. Probability of Occurrence .......................................................................... 4-19 7. Assessing Vulnerability: Overview ................................................................... 4-19 A. Vulnerability of Sagadahoc County to Each Hazard .................................. 4-20 B. Impacts of Each Hazard on Sagadahoc County ........................................ 4-21 8. Assessing Vulnerability: Addressing Repetitive Loss Properties ...................... 4-21 9. Assessing Vulnerability: Identifying Structures .................................................. 4-22 A. Vulnerability of Existing Buildings, Infrastructure, Critical Facilities ............ 4-23 B. Vulnerability of Future Buildings, Infrastructure, Critical Facilities .............. 4-25 10. Assessing Vulnerability: Estimating Potential Losses...................................... 4-27 Overview ........................................................................................................ 4-27 Flooding .......................................................................................................... 4-28 Winter storms ................................................................................................. 4-29 Summer storms .............................................................................................. 4-30 Wildfires .......................................................................................................... 4-31 11. Assessing Vulnerability: Analyzing Development Trends ................................ 4-32 12. Multi-Jurisdictional Risk Assessment ............................................................. 4-33 Maps County Map (includes UT) .............................................................................. 4-35 Arrowsic .......................................................................................................... 4-36 Bath ................................................................................................................ 4-37 Bowdoin .......................................................................................................... 4-38 Bowdoinham ................................................................................................... 4-39 Georgetown .................................................................................................... 4-40 Phippsburg ..................................................................................................... 4-41 Richmond ....................................................................................................... 4-42 Topsham ........................................................................................................ 4-43 West Bath ....................................................................................................... 4-44 Woolwich ........................................................................................................ 4-45 ii 5. Mitigation Strategies 13. Local Mitigation Goals ...................................................................................... 5-1 14. Identification and Analysis of Mitigation Actions ................................................ 5-1 A. Comprehensive Range of Mitigation Actions and Projects .......................... 5-1 B. Actions and Projects that Reduce Hazards on New Buildings .................... 5-2 C. Actions and Projects that Reduce Hazards on Existing Buildings ................ 5-2 General Goals, Objectives & Mitigation Actions ..................................................... 5-3 Flooding ............................................................................................................ 5-3 Severe Winter & Severe Summer Storms ......................................................... 5-5 Wildfires ............................................................................................................ 5-7 Rating of Actions and Establishment of Priorities ................................................... 5-9 Prioritized Mitigation Projects by Municipality ...................................................... 5-11 15. Identification & Analysis of Mitigation Actions: NFIP Compliance .................... 5-16 16. Implementation of Mitigation Activities ............................................................ 5-18 6. Plan Maintenance 18. Monitoring, Evaluating and Updating the Plan .................................................. 6-1 19. Incorporation into