JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN I
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JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN i JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN ii ***This Page Left Intentionally Blank*** JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN iii JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN UPDATE Prepared for: Jefferson Davis Parish Prepared by: Stephenson Disaster Management Institute Ms. Lauren Stevens Mr. Chris Rippetoe Mr. Joseph Harris Mr. Brant Mitchell Dr. Carol J. Friedland, P.E., Ph.D., C.F.M. Mr. Stuart Nolan Louisiana State University - Business Education Complex Baton Rouge, LA 70803 October 14, 2016 JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN iv ***This Page Left Intentionally Blank*** JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN v ACKNOWLEDGMENTS This 2016 Jefferson Davis Parish Hazard Mitigation Plan Update was coordinated by the Jefferson Davis Parish Hazard Mitigation Plan Update Steering Committee, in collaboration with the participating jurisdictions as well as community stakeholders and the general public. The participating jurisdictions are made up of the following communities: Jefferson Davis Parish Village of Elton Village of Fenton City of Jennings Town of Lake Arthur Town of Welsh Special thanks is directed to all of those who assisted in contributing feedback and expertise on this document, especially the Jefferson Davis Parish Office of Homeland Security and Emergency Management. These combined efforts have made this project possible. The Jefferson Davis Parish Steering Committee consists of the following individuals, who are credited in the creation of this document: Name Title Agency Terry Duhon Mayor of Jennings City of Jennings Cathy Hollingsworth Mayor of Elton Town of Elton Robert B. Bertrand Mayor of Lake Arthur Town of Lake Arthur Carolyn Louviere Mayor of Welsh Town of Welsh Eddie Alfred, Jr. Mayor of Fenton Village of Fenton Jefferson Davis Parish Police Renee Hicks Asst. Secretary/Treasurer Jury Danny Lavergne OEP Director Cameron Parish OHSEP The 2016 Jefferson Davis Parish Hazard Mitigation Plan Update was written by the Stephenson Disaster Management Institute, Louisiana State University. Further comments should be directed to the Jefferson Davis Parish Office of Homeland Security and Emergency Preparedness: 304 N. State St, Jennings LA 70546 JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN vi Contents 1. Introduction ............................................................................................................................................ 1-1 Location, Demography, and Economy........................................................................................................ 1-2 Location .................................................................................................................................................. 1-2 Economy ................................................................................................................................................. 1-3 Hazard Mitigation ....................................................................................................................................... 1-4 General Strategy ......................................................................................................................................... 1-6 2016 Plan Update ....................................................................................................................................... 1-6 2. Hazard Identification and Parish-Wide Risk Assessment ....................................................................... 2-1 Prevalent Hazards to the Community ........................................................................................................ 2-1 Previous Occurrences ................................................................................................................................. 2-3 Probability of Future Hazard Events ........................................................................................................... 2-3 Inventory of Assets for the Entire Parish .................................................................................................... 2-4 Essential Facilities of the Parish.................................................................................................................. 2-6 Future Development Trends .................................................................................................................... 2-11 Future Hazard Impacts ............................................................................................................................. 2-12 Land Use ................................................................................................................................................... 2-13 Hazard Identification ................................................................................................................................ 2-15 Drought ................................................................................................................................................. 2-15 Flooding ................................................................................................................................................ 2-19 Thunderstorms ..................................................................................................................................... 2-40 Tornadoes ............................................................................................................................................. 2-52 Tropical Cyclones .................................................................................................................................. 2-60 Wildfires ............................................................................................................................................... 2-75 Winter Storms ...................................................................................................................................... 2-88 Levee Failure ......................................................................................................................................... 2-92 3. Capability Assessment ............................................................................................................................ 3-1 Policies, Plans, and Programs ..................................................................................................................... 3-1 Building Codes, Permitting, Land Use Planning and Ordinances ........................................................... 3-2 Administration, Technical, and Financial.................................................................................................... 3-3 Education and Outreach ............................................................................................................................. 3-4 Flood Insurance and Community Rating System ........................................................................................ 3-5 NFIP Worksheets ........................................................................................................................................ 3-8 4. Mitigation Strategy ................................................................................................................................. 4-1 Introduction ................................................................................................................................................ 4-1 Goals ........................................................................................................................................................... 4-1 JEFFERSON DAVIS PARISH HAZARD MITIGATION PLAN vii 2016 Mitigation Actions and Update on Previous Plan Actions ................................................................. 4-2 Jefferson Davis 2011 Hazard Mitigation Action Update......................................................................... 4-3 Unincorporated Jefferson Davis - New Mitigation Actions .................................................................... 4-7 Village of Elton - New Mitigation Actions ............................................................................................... 4-9 Village of Fenton – New Mitigation Actions ......................................................................................... 4-11 City of Jennings – New Mitigation Actions ........................................................................................... 4-13 Town of Lake Arthur – New Mitigation Actions ................................................................................... 4-15 Town of Welsh – New Mitigation Actions ............................................................................................ 4-17 Action Prioritization .................................................................................................................................. 4-19 Appendix A: Planning Process ........................................................................................................................ A-1 Purpose ....................................................................................................................................................... A-1 The Jefferson Davis Parish Hazard Mitigation Plan Update ....................................................................... A-1 Planning ...................................................................................................................................................... A-3 Coordination ..............................................................................................................................................