1. FEMA UPDATED FLOODPLAIN MAPS Public Works Department Stormwater Management Division August 5, 2008 FEMA UPDATED FLOODPLAIN MAPS Public Works Department Stormwater Management Division August 5, 2008

2. PRESENTATION OUTLINE ● Background ● Map Development ● Map Results ● FEMA Timeline ● Recommendations ● Action Item

3. BACKGROUND 600 Lakes in Orange County 12 Major Drainage Basins 180,000 Acres of Floodplain 50 Inches of Rainfall FEMA Map Update

4. BACKGROUND Orange County participates in the National Flood Insurance Program (NFIP) Allows citizens to purchase flood insurance in flood prone areas

5. BACKGROUND FEMA requires Orange County to amend the Floodplain Ordinance

6. BACKGROUND Community Rating System Upgrade Effective May 2008 ● Class 5 ● Premium Discount 25 % ● Average Savings Per Policy $ 64 ● Total Annual Savings$ 828,306

7. CRS Ranking 120 274 459 229 81 41 1112 Greater DiscountSmaller Discount Orange County (Top 4%) % Premium Discount 0051015202530354045 Number of Communities Communities Participating in the CRS Program

8. BACKGROUND Annual Flood Insurance Premiums ● Single-Family Homes Average $400-$450 Nationwide ● Orange County Average $383 ● With 25% Discount $287

9. BACKGROUND Flood Insurance Rate Map Dec. 2000

10. BACKGROUND ● May 2005 -Kickoff Meeting ● August 2006 -FIS Study Meeting ● September 2006 -Preliminary Maps ● March 6, 2007 -Presentation to BCC ● March 13, 2007 -Preliminary FIS Meeting ● March 13-14, 2007 -FEMA Public Outreach

11. PRESENTATION OUTLINE ● Background ● Map Development ● Map Results ● FEMA Timeline ● Recommendations ● Action Item

12. MAP DEVELOPMENT Wekiva River Lake Apopka Cypress Creek Reedy Creek Shingle Creek Little Wekiva Howell Branch Little Econ Boggy Creek Lake Hart Big Econ St. Johns River LEGEND Master Plans Provided to FEMA Drainage Basins Topographic Data Provided to FEMA

13. ● New contours were provided to FEMA ● New jurisdictional boundaries provided MAP DEVELOPMENT Street names were corrected Computer models were reviewed Impacts on citizens were determined

14. ● LIDAR is the acronym for: − Light Detection and Ranging ● LIDAR can Measure: − Distance − Speed − Rotation − Chemical Composition MAP DEVELOPMENT

16. PRESENTATION OUTLINE ● Background ● Map Development ● Map Results ● Issues ● FEMA Timeline ● Recommendations ● Action Item

17. MAP RESULTS Summary of Parcels & Structures in Floodplain Dec 2000New Map Net Reduction % Parcels 31,054 28,626 2,428 8 Structures 7,460 3,796 3,664 49

18. Commission District Dec 2000New Maps Dec 2000New Maps District 18,9687,3811,736555 District 23,2402,869877612 District 33,6523,8351,142721 District 48,8928,4962,2911,299 District 55,0424,831977208 District 61,2601,214410401 Total31,05428,6267,4603,796 Dec 2000 Map Verses New Map MAP RESULTS Parcels in Floodplain Structures in Floodplain

19. MAP RESULTS 1,549 structures were added to the floodplain due to: − Changes in 100-year elevations − Better topography − The scale of maps Letter of Map Revision (LOMR)

20. Structures built in compliance of FEMA requirements at the time of construction maintain the same insurance benefits. MAP RESULTS GRANDFATHER CLAUSE

21. PRESENTATION OUTLINE ● Background ● Map Development ● Map Results ● FEMA Timeline ● Recommendations ● Action Item

22. FEMA TIMELINE 2.0 Public Meeting Completed 3.0 BFE Appeal Period (90 days) 4.0 Letter of Final Determin- ation 5.0 Compliance Period 6.0 FIRM Map Effective Date 1.0 Preliminary FIRM Map Completed 1.0 Completed 2.0 Completed 3.0 BFE Appeal Period (90 days)– Sep to Nov 2008 4.0 Letter of Final Determination – Jan 2009 5.0 Compliance Period – Jan 2009 to Jul 2009 6.0 FIRM Map Effective Date – Jul 2009

23. PRESENTATION OUTLINE ● Background ● Map Development ● Map Results ● FEMA Timeline ● Recommendations ● Action Item

24. RECOMMENDATIONS ● Accept FEMA’s New Floodplain Maps ● Provide Public Outreach to citizens ● Evaluate the County’s floodplain ordinance

25. RECOMMENDATIONS Public Information Program ● Post Card Notification ● Web Page − Program Background − Eligibility for 25% − LOMR Process − Contact Information for Questions ●Info Map ●Orange TV

26. PRESENTATION OUTLINE ● Background ● Map Development ● Map Results ● FEMA Timeline ● Recommendations ● Action Item

27. ● Accept FEMA’s New Floodplain Maps ● Authorize Staff to Implement Public Information Program ● Authorize Staff to Evaluate the County’s floodplain ordinance ACTION ITEM