Alabama EMA Division F Regional Hazard Mitigation Plan PHASE I Cherokee | Cullman | DeKalb | Etowah DRAFT PREPARED BY: TOP OF ALABAMA REGIONAL COUNCIL OF GOVERNMENTS (TARCOG) P AGE LEFT INTENTIONALLY BLANK Division F Regional Hazard Mitigation Plan (Phase I) AEMA | DIVISION F TABLE OF C ONTENTS Section 1. Hazard Mitigation Plan Introduction Section 5. Mitigation 1.1 Plan Scope ---------------------------------------------------------- 1 5.1 Mitigation Planning Process --------------------------------------- 88 1.2 Authority -------------------------------------------------------------- 2 5.2 Capabilities Assessment for Local Jurisdictions -------- 88 1.3 Funding ---------------------------------------------------------------- 3 5.3 Regional Mitigation Goals ------------------------------------------- 94 1.4 Purpose --------------------------------------------------------------- 3 5.4 Regional Mitigation Strategies ------------------------------------ 94 1.5 Plan Layout ---------------------------------------------------------- 3 5.5 Jurisdictional Mitigation Action Plans ------------------------- 97 5.5.1 Councils of Government Mitigation Actions --------- 100 Section 2. Regional Profile 5.5.2 Cherokee County Mitigation Actions -------------------- 103 2.1 Cherokee County Profile ------------------------------------- 6 5.5.3 Cullman County Mitigation Actions ----------------------- 116 2.2 Cullman County Profile ------------------------------------- 12 5.5.4 DeKalb County Mitigation Actions ------------------------ 142 2.3 DeKalb County Profile -------------------------------------- 18 5.5.5 Etowah County Mitigation Actions ------------------------ 179 2.4 Etowah County Profile -------------------------------------- 24 2.5 Division F Subregion I Regional Snapshot ------ 30 Section 6. Plan Maintenance Process 6.1 Phase II Division F Regional Hazard Section 3. Planning Process Mitigation Plan ----------------------------------------------------------------- 197 3.1 Hazard Mitigation Planning Process --------------- 35 6.2 Hazard Mitigation Monitoring, Evaluation, 3.2 Multi-Jurisdictional Planning Participation ------ 37 and Update Process -------------------------------------------------------- 197 3.3 Public and Other Stakeholder Involvement ---- 40 6.3 Hazard Mitigation Plan Incorporation ---------------------- 198 3.4 Integration with Existing Plans ------------------------- 41 6.4 Public Awareness and Participation ------------------------- 199 3.5 Multi-Jurisdictional Plan Adoption -------------------- 42 Section 7. Appendix Section 4. Natural Hazards 7.1 Meeting & Outreach Materials 4.1 Natural Hazards Overview -------------------------------- 45 7.2 Public Participation Survey Results 4.2 Hazard Profiles Overview --------------------------------- 45 7.3 Alabama Disaster Declaration Maps 4.3 Federally-Declared Disasters --------------------------- 46 7.4 FEMA HAZUS Reports 4.4 Drought & Excessive Heat Profile -------------------- 51 7.5 Public Comment Invitation & Response List 4.5 Earthquakes Profile ------------------------------------------ 57 7.6 Mitigation Plan Review Tool 4.6 Flooding Profile ------------------------------------------------- 67 4.7 Dam/Levee Failure Profile ------------------------------- 72 4.8 High Wind Events Profile ---------------------------------- 81 Division F Regional Hazard Mitigation Plan | i P AGE LEFT INTENTIONALLY BLANK Division F Regional Hazard Mitigation Plan (Phase I) AEMA | DIVISION F TABLE OF FIGURES Section 1. Hazard Mitigation Plan Introduction Figure 1.1 AEMA Divisions ------------------------------------------------------------------------------------------------------------------------------------------------ 2 Figure 1.2 AEMA Division F ----------------------------------------------------------------------------------------------------------------------------------------------- 2 Figure 1.2-A AEMA Division F – Major Cities ------------------------------------------------------------------------------------------------------------------- 3 Figure 1.3 Division F Subregion I & Subregion II ------------------------------------------------------------------------------------------------------------- 3 Section 2. Regional Profile Figure 2.1 Cherokee County Quick Stats ------------------------------------------------------------------------------------------------------------------------- 6 Table 2.2 Cherokee County Jurisdictions Population Change 2000-2010 and 2018 ------------------------------------------------- 7 Table 2.3 Division F Regional Population 2000-2010 and Projections 2020-2040 (By County)* ------------------------------ 7 Table 2.4 County Civilian Labor Force Employment Estimates (By County)*------------------------------------------------------------------ 8 Table 2.5 Major Employers (By County)* ------------------------------------------------------------------------------------------------------------------------- 9 Table 2.6 Major Manufacturers (By County)* ------------------------------------------------------------------------------------------------------------------ 9 Table 2.7 Estimated Total Housing Units (2000, 2010-2018) ------------------------------------------------------------------------------------ 10 Table 2.8 Estimated Units in Structure (2018)* ----------------------------------------------------------------------------------------------------------- 10 Table 2.9 Housing Units by Year Structure Built* --------------------------------------------------------------------------------------------------------- 10 Figure 2.10 Cullman County Quick Stats ----------------------------------------------------------------------------------------------------------------------- 12 Table 2.11 Cullman County Jurisdictions Population Change 2000-2010 and 2018 ----------------------------------------------- 13 Figure 2.12 DeKalb County Quick Stats ----------------------------------------------------------------------------------------------------------------------- 18 Table 2.13 DeKalb County Jurisdictions Population Change 2000-2010 and 2018 ----------------------------------------------- 19 Figure 2.14 Etowah County Quick Stats ----------------------------------------------------------------------------------------------------------------------- 24 Table 2.15 Etowah County Jurisdictions Population Change 2000-2010 and 2018 ------------------------------------------------ 25 Figure 2.16 Decennial Population (2000-2010) & Estimated Population (2018) ----------------------------------------------------- 30 Figure 2.17 Subregion I Population Projections (2020 – 2040) --------------------------------------------------------------------------------- 30 Figure 2.18 Total Land Area (in Sq. Miles) -------------------------------------------------------------------------------------------------------------------- 30 Figure 2.19 Racial Composition Estimates by County (2018) ------------------------------------------------------------------------------------- 31 Figure 2.20 Total Housing Units by County ------------------------------------------------------------------------------------------------------------------- 31 Table 2.21 Civilian Labor Force Employment Estimates by County (2020) --------------------------------------------------------------- 32 Table 2.22 Subregion I Major Employers (750+ Employees) -------------------------------------------------------------------------------------- 32 Section 3. Planning Process Table 3.1 Division F Subregion I Regional Hazard Mitigation Planning Committee --------------------------------------------------- 35 Figure 3.2 Alabama Department of Public Health COVID-19 Statewide Current Risk Status Analysis --------------------- 36 Table 3.3 Division F Subregion I Regional Hazard Mitigation Plan Participating Jurisdictions --------------------------------- 37 * Indicates a Table or Figure that is repeated in the County Profile sections with county-specific data. Division F Regional Hazard Mitigation Plan | iii Division F Regional Hazard Mitigation Plan (Phase I) AEMA | DIVISION F TABLE OF FIGURES (CONTINUED) Section 4. Risk Assessment Table 4.1 Classifications of Natural Hazard ------------------------------------------------------------------------------------------------------------------ 45 Table 4.2 AEMA Division F Federally-Declared Disasters --------------------------------------------------------------------------------------------- 46 Table 4.3 Types of Drought --------------------------------------------------------------------------------------------------------------------------------------------- 51 Table 4.4 Drought Impacts by State – Alabama ----------------------------------------------------------------------------------------------------------- 52 Table 4.5 Subregion I Drought Incidents (2005-2020) ----------------------------------------------------------------------------------------------- 53 Figure 4.6 U.S. Drought Monitor Maps, April 1, 2008 and November 1, 2016 ---------------------------------------------------------- 55 Figure 4.7 Seismic Zones of the Southeastern United States (2017) ------------------------------------------------------------------------ 57 Figure 4.8 National Seismic Hazard Model (NSHM) – Chance of Shaking (2018) ---------------------------------------------------- 59 Table 4.9 Division F Earthquake Activity (1886 – Present) ----------------------------------------------------------------------------------------- 60 Table 4.10 Types of Floods Recorded in the Subregion I Planning