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Hazard Mitigation Plan Introduction Hazard Mitigation Plan Introduction Plan Scope The Regional Multi-Jurisdictional Hazard Mitigation Plan is intended to identify and detail the hazards that affect the Alabama Emergency Management Agency’s (AEMA) Division A. This division includes the following counties and the municipalities and jurisdictions within them: Baldwin, Choctaw, Clarke, Conecuh, Escambia, Mobile, Monroe, and Washington. This plan will be the first regional mitigation plan for the area. Currently, each county is covered by a multi-jurisdictional county plan. A regional plan provides this information in a more concise and effective manner. A regional planning process provides an opportunity for participants to discuss and identify mitigation strategies to address identified hazards. Authority Hazard mitigation plans are a requirement of Section 409 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act (public Law 93-228, as amended), Title 44 Code of Federal Regulations, as amended by Part 201 of the Disaster Mitigation Act of 2000. All state and local governments must develop a Hazard Mitigation Plan as a condition of receiving non- emergency federal disaster assistance including hazard mitigation grant program (HMGP), pre-disaster mitigation (PDM), and flood mitigation assistance (FMA) program funds. Funding Funding for the AEMA Division A Regional Multi-Jurisdictional Hazard Mitigation Plan was provided through the Hazard Mitigation Grant Program (HMGP), under Disaster Recovery Declaration 4349, (DR-4349). Purpose The purpose of the Division A Multi-Jurisdictional Hazard Mitigation Plan is to evaluate and identify all prioritized hazards which may affect the region. Mitigation strategies that address each of the identified hazards are presented. This plan is only one of many steps Division A jurisdictions will take to achieve a safer, more hazard resistant environment for its residents. Planning Document Format The Division A Multi-Jurisdictional Hazard Mitigation Plan 2020 will be a multi-phase planning process. Clarke and Conecuh Counties will be included in Phase I. The remaining counties in the division will be incorporated as their current county plans expire. Choctaw County will not be part of the regional plan at this time and will continue to have a county mitigation plan. Division A is served by two regional planning commissions, the Alabama-Tombigbee Regional Commission (ATRC) and the South Alabama Regional Planning Commission (SARPC) (Figure 1.1). ATRC serves Choctaw, Clarke, Conecuh, Monroe, and Washington Counties. SARPC serves Baldwin, Escambia, and Mobile Counties. There are considerable differences between the counties served by ATRC and those served by SARPC. Due to these differences and the phased planning process, the Division A plan will be divided into two parts: Division A-ATRC Region and Division A- SARPC Region. Introduction Alabama Emergency Management Division A Division A Multi-Jurisdictional Hazard Mitigation Plan 2020 Table of Contents Hazard Mitigation Plan Introduction Part II. Division A-SARPC Planning Area Section 1 Regional Profile 1 1.1 Background 1.2 Demographics 1.3 Business and Industry 1.4 Infrastructure 1.5 Land Use and Development Trends Section 2 Planning Process 13 2.1 Multi-Jurisdictional Plan Adoption 2.2 Multi-Jurisdictional Planning Participation 2.3 Hazard Mitigation Planning Process 2.4 Public and Other Stakeholder Involvement 2.5 Integration with Existing Plans Section 3 Risk Assessment 18 3.1 Hazard Overview 3.2 Hazard Profiles 3.3 Vulnerability Summary by Jurisdiction 3.4 Probability of Future Occurrence and Loss Estimation 3.5 Hazard Impacts Section 4 Mitigation Strategy 136 4.1 Mitigation Planning Process 4.2 Regional Mitigation Goals 4.3 Regional Mitigation Strategies 4.4 Capabilities Assessment for Local Jurisdictions 4.5 Jurisdictional Mitigation Action Plans 4.5.1 SARPC Mitigation Actions 4.5.2 SARPC Region Jurisdiction Action Plans Baldwin County – see Appendix A Escambia County – see Appendix B Mobile County – see Appendix C Section 5 Plan Maintenance Process 151 5.1 Hazard Mitigation Monitoring, Evaluation, and Update Process 5.2 Hazard Mitigation Plan Incorporation 5.3 Public Awareness/Participation Division A Multi-Jurisdictional Hazard Mitigation Plan 2020 Appendix A: Baldwin County Community Action Plans A.1 Baldwin County A.2 City of Bay Minette A.3 City of Daphne A.4 Town of Elberta A.5 City of Fairhope A.6 City of Foley A.7 City of Gulf Shores A.8 Town of Loxley A.9 Town of Magnolia Springs A.10 City of Orange Beach A.11 Town of Perdido Beach A.12 City of Robertsdale A.13 Town of Silverhill A.14 City of Spanish Fort A.15 Town of Summerdale Appendix B: Escambia County Community Action Plans B.1 City of Atmore B.2 City of Brewton B.3 City of East Brewton B.4 Town of Flomaton B.5 Town of Pollard B.6 Town of Riverview B.7 Poarch Creek Tribe Appendix C: Mobile County Community Action Plans C.1 Mobile County C.2 City of Bayou La Batre C.3 City of Chickasaw C.4 City of Citronelle C.5 City of Creola C.6 Town of Dauphin Island C.7 City of Mobile C.8 Town of Mount Vernon C.9 City of Prichard C.10 City of Saraland C.11 City of Satsuma C.12 City of Semmes C.13 Mobile County School Board Division A Multi-Jurisdictional Hazard Mitigation Plan 2020 1 Section 1. SARPC Planning Area Profile Section Contents 1.1 Background 1.2 Demographics 1.3 Business and Industry 1.4 Infrastructure 1.5 Land Use and Development Trends 2 1.1 Background The planning area for this part of the plan, Phase II, is the Alabama Emergency Management Agency (AEMA) Division A counties served by the South Alabama Regional Planning Commission. Counties included in the planning area are Baldwin, Escambia, and Mobile. Within these three counties there are 29 municipalities. The other counties in AEMA’s Division A include Clarke, Conecuh, Monroe, and Washington, who are served by the Alabama Tombigbee Regional Commission. Phase I of this multi-jurisdictional hazard mitigation plan includes Clarke and Conecuh Counties only. A subsequent update will include the remaining counties of Monroe and Washington, as they are currently covered by individual county mitigation plans. Figure 1.1 Alabama Emergency Management Division A Counties Division A Multi-Jurisdictional Hazard Mitigation Plan 2021 – Phase Two 3 The largest county in the planning area is Baldwin County which is 1,590 square miles in size, making it the largest county in the state by land area. Mobile County is the fourth largest county in the state. The total land area of this three county area is 3,764.3 square miles, which is approximately 7.4% of the state’s total land area. Table 1.1 provides the total area and population density of each county located within the planning area. Table 1.1: Total Area by County Population per County Total Area Square Mile Baldwin 1,589.78 114.6 Escambia 945.08 40.5 Mobile 1,229.44 339.5 Source: U.S. Census Bureau The entire expanse of the planning area lays within the East Gulf Coastal Plain physiographic region (Figure 1.2). This area developed on geologically young Mesozoic to Recent (from about 140 million years ago to the present) sedimentary rocks and sediment. Geologic units are composed of mainly of sediments and can be described as gravels, sands, silts, and clays. The Coastal Plain is flat and relatively featureless in some areas, but elsewhere it consists of as cuestas and flatwoods. Floodplains are located along the Alabama, Escatawpa, Tombigbee, and Sepulga river systems. Division A Multi-Jurisdictional Hazard Mitigation Plan 2021 – Phase Two 4 Figure 1.2 Physiographic Regions of the State of Alabama Source : http://alabamamaps.ua.edu/contemporarymaps/alabama/physical/al_physio.pdf Last accessed 1/12/2020 A number of rivers flow through the planning area (Figure 1.3). The Escatawpa River, a tributary of the Pascagooula River, flows in a southerly direction in the western part of Mobile County, before crossing the border into Mississippi. The Alabama and Tombigbee Rivers combine to form the Mobile River approximately 50 miles north of Mobile. The Tensaw River, a tributary of the Mobile River, flows almost parallel to the east, through Baldwin County. Both rivers empty into the Mobile-Tensaw River Delta, which flows in to Mobile Bay. The Conecuh River originates in the east central part of the state and flows generally southwest, through Division A Multi-Jurisdictional Hazard Mitigation Plan 2021 – Phase Two 5 Escambia County, before joining the Escambia River in Escambia County Florida, south of Alabama. Figure 1.3 Map of Major Rivers in Alabama Source: https://geology.com/lakes-rivers-water/alabama.shtml Last accessed 1/12/2020 1.2 Demographics According to July 1, 2019 population estimate from the U.S. Census, the total population of the planning area is 633,576 people. This population spans over a total area of 3,764.3 square miles. The populations of the counties in the planning area varies. Table 1.2 provides population counts for all jurisdictions in the SARPC planning area for AEMA Division A from the 2010 Census and the 2018 American Community Survey. Division A Multi-Jurisdictional Hazard Mitigation Plan 2021 – Phase Two 6 Table 1.2 Division A- SARPC Planning Area Population Change 2010 2019 % Change CENSUS ACS Baldwin County 182,265 208,107 14.18% Bay Minette 8,044 9,089 12.99% Daphne 21,570 25,361 17.58% Elberta 1,498 1,741 16.22% Fairhope 15,326 20,327 32.63% Foley 14,618 17,818 21.89% Gulf Shores 9,741 12,033 23.53% Loxley 1,632 2,077 27.27% Magnolia Springs 723 815 12.72% Orange Beach 5,441
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