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MAY 4, 2021 COUSHATTA TRIBE OF LOUISIANA TRIBAL HAZARD MITIGATION PLAN UPDATE PUBLIC REVIEW DRAFT MAY 2021 Prepared by BEVERLY O'DEA BRIDGEVIEW CONSULTING, LLC 915 N. Laurel Lane Tacoma, WA 98406 (253) 380-5736 Coushatta Tribe of Louisiana 2021 Hazard Mitigation Plan Update Prepared for Coushatta Tribe of Louisiana Coushatta Tribal Fire Department P.O. Box 818 Elton, LA 70532 Prepared by Bridgeview Consulting, LLC Beverly O’Dea 915 N. Laurel Lane Tacoma, WA 98406 (253) 380-5736 TABLE OF CONTENTS Executive Summary ......................................................................................................... xiii Plan Update ................................................................................................................................................. xiv Initial Response to the DMA for the Coushatta Tribe ........................................................................... xv The 2021 Coushatta Tribe of Louisiana Update—What has changed? ................................................. xv Plan Development Methodology ............................................................................................................... xvii Chapter 1. Introduction to Hazzard Mitigation Planning ............................................... 1-1 1.1 Authority .............................................................................................................................................. 1-1 1.2 Acknowledgements .............................................................................................................................. 1-2 1.3 COVID-19 .............................................................................................................................................. 1-3 1.4 Purpose of Planning ............................................................................................................................. 1-3 1.5 Who Will Benefit from this Plan? ......................................................................................................... 1-4 1.6 Billion Dollar Disasters ......................................................................................................................... 1-4 1.7 Plan Adoption ....................................................................................................................................... 1-7 Chapter 2. Plan Update Approach .................................................................................. 2-1 2.1 Planning Resource Organization .......................................................................................................... 2-1 2.2 Secure Grant Funding .......................................................................................................................... 2-1 2.3 Formation of the Planning Team ......................................................................................................... 2-1 2.4 Coordination With Agencies and Other Stakeholders ......................................................................... 2-4 2.5 Review of Plans and Studies ................................................................................................................ 2-6 2.6 Public Involvement............................................................................................................................... 2-7 2.6.1 Public Defined ..................................................................................................................... 2-7 2.7 Plan Development Milestones ............................................................................................................. 2-7 2.7.1 Public Outreach Strategy .................................................................................................... 2-7 2.7.2 Hazard Questionnaire ......................................................................................................... 2-8 2.7.3 Internet ............................................................................................................................. 2-11 2.7.4 News Releases and Announcements ................................................................................ 2-12 2.7.5 Public Meetings ................................................................................................................. 2-12 2.8 Plan Development Milestones ........................................................................................................... 2-14 Chapter 3. Tribal Profile .................................................................................................. 3-1 3.1 Tribal History ........................................................................................................................................ 3-1 3.2 Tribal Governance ................................................................................................................................ 3-2 3.3 Tribal Departments and Programs ....................................................................................................... 3-2 3.4 Membership ......................................................................................................................................... 3-5 3.5 Population ............................................................................................................................................ 3-5 Bridgeview Consulting i July 2021 TABLE OF CONTENTS 3.5.1 Population Trends ............................................................................................................... 3-6 3.5.2 Social Vulnerability .............................................................................................................. 3-6 3.5.3 Age Distribution .................................................................................................................. 3-7 3.5.4 Race, Ethnicity, and Language............................................................................................. 3-8 3.5.5 Disabled Populations ........................................................................................................... 3-8 3.5.6 Income ................................................................................................................................. 3-9 3.5.7 Housing Stock .................................................................................................................... 3-10 3.6 Planning Area Geography .................................................................................................................. 3-10 3.6.1 Climate .............................................................................................................................. 3-11 3.6.2 Impact from Climate Change ............................................................................................ 3-14 3.7 Natural Resources .............................................................................................................................. 3-14 3.8 Major Past Hazard Events .................................................................................................................. 3-15 3.9 Critical Facilities and Infrastructure ................................................................................................... 3-18 3.9.1 Critical Facilities Defined for the 2021 Update ................................................................. 3-18 3.9.2 Structure Data Limitation .................................................................................................. 3-21 3.10 Infrastructure ................................................................................................................................... 3-22 3.11 Cultural and Sacred Sites ................................................................................................................. 3-23 3.12 Cultural Heritage .............................................................................................................................. 3-23 3.13 Economic Base ................................................................................................................................. 3-24 3.14 Tribal Economic Outlook .................................................................................................................. 3-24 3.15 Land Use ........................................................................................................................................... 3-25 3.15.1 Agriculture ......................................................................................................................... 3-25 3.15.2 Critical Areas ..................................................................................................................... 3-26 3.16 Changes in Development ................................................................................................................. 3-29 3.16.1 Residential Development .................................................................................................. 3-31 3.16.2 Non-Residential Development .......................................................................................... 3-31 3.16.3 Structure Type and Age ..................................................................................................... 3-33 3.17 Laws and Ordinances ....................................................................................................................... 3-34 3.17.1 Tribal and State-Level Planning Initiatives .......................................................................