1. CRS AUDIT A STUDY ON TYBEE ISLAND’S CRS AND OPEN SPACE PROGRAM National Flood Insurance Program Community Rating System August 28, 2014

2. BACKGROUND CRS RECERTIFICATION & CYCLE VISIT APRIL 2014 NEW CRS MANUAL 2013 CHANGES TO ACTIVITIES / CREDITS BIGGERT WATERS ACT/HOMEOWNER FLOOD INSURANCE AFFORDABILITY ACT OF 2014

3. TYBEE ISLAND – CRS PROGRAM AUDIT CATEGORIES OF FLOODPLAIN MANAGEMENT ACTIVITIES: PUBLIC INFORMATION MAPPING AND REGULATIONS FLOOD DAMAGE REDUCTION WARNING AND RESPONSE

4. ActivityActivity Name2007 Manual Tybee Score (2009) Percent2013 ManualPercent Change 310Elevation Certificates1625635%116-28% 320Map Information Service140 100%90-36% 330Outreach Projects31520766%35011% 340Hazard Disclosure811012%80-1% 350Flood Protection Information1028381%12523% 360Flood Protection Assistance715476%11055% 370Flood Insurance Promotion65 0 0%11069% 410Floodplain Mapping1346101%802-40% 420Open Space Preservation90016018%2020124% 430Higher Regulatory Standards27402017%2042-25% 440Flood Data Maintenance2395623%222-7% 450Stormwater Management670152%75513% 510Flood Plain Management Planning35900%62273% 520Acquisition and Relocation320000%2250-30% 530Flood Protection280000%1600-43% 540Drainage System Maintenance43026862%57033% 610Flood Warning and Response25516565%39555% 620Levees90000%235-74% 630Dams1756235%160-9%

6. OPEN SPACE PRESERVATION 1450 POINTS 50 POINTS 350 POINTS 50 POINTS 250 POINTS 600 POINTS 120 POINTS Open Space Preservation (OSP) Deed Restrictions (DR) Natural Functions Open Space (NFSP) Special Flood-Related Hazard Open Space (SHOS) Open Space Incentives (OSI) Low-Density Zoning (LZ) Natural Shoreline Protection (NSP)

7. OPEN SPACE PRESERVATION Open Space Preservation (OSP) Deed Restrictions (DR) Natural Functions Open Space (NFSP) Special Flood-Related Hazard Open Space (SHOS) Open Space Incentives (OSI) Low-Density Zoning (LZ) Natural Shoreline Protection (NSP) Credits local regulations Credit specific to properties

8. Total Site 6 Acres

9. Total Site 6 Acres Area in SFHA 3 Acres

10. Total Site 6 Acres Area in SFHA 3 Acres Impervious Area in SFHA 0.75 Acres OSP Eligible 2.25 Acres

11. Total Site 6 Acres Area in SFHA 3 Acres Impervious Area in SFHA 0.75 Acres OSP Eligible 2.25 Acres Total acreage in SFHA = 100 Acreage of Open Space = 2.25 Ratio of Open Space = 0.0225 (2.25 / 100) Open Space points for this Site = 32.6 (0.0225 x 1450)

12. OPEN SPACE PRESERVATION TOTAL ACREAGE OF THE CITY 2,046 ACRES TOTAL ACREAGE OF SPECIAL FLOOD HAZARD AREA 1,768 (86% OF CITY) AE ZONE, 1,200 ACRES (59%) VE ZONE, 568 ACRES (28%) Beach Dunes Parks Coastal Marshlands Conservation Easements Other aOSP / aSFHA = rOSP rOSP * 1450 = Open Space Points

13. OPEN SPACE PRESERVATION (OSP) aOSPrOSP = (OSP / aSFHA)OSP Points (rOSP*1450) Beach200.10.113164.11 Dunes108.60.06189.07 Memorial Park7.20.0045.90 Jaycee Park9.40.0057.71 Tybee Lighthouse *60.0034.92 Coastal Marshlands502.250.284411.92 4-H Center *6.310.0045.18 Buza Property0.60.0000.49 Sallie Pearce7.40.0046.07 19th Street - Conservation0.60.0000.49 Buckley Property - Hwy 8016.40.00913.45 OSP = 710

14. OPEN SPACE PRESERVATION Total Site = 11.3 acres OSP Eligible = 7.2 acres

15. DEED RESTRICTIONS (DR) ADR / ASFHA = RDR RDR * 50 = DEED RESTRICTION POINTS aDRrDR = (aDR/aSFHA)DR = (rDR*50) Beach200.10.1135.66 Dunes108.60.0613.07 Jaycee Park9.40.0050.27 Coastal Marshlands502.250.28414.20 Buza Property0.60.0000.02 Sallie Pearce7.40.0040.21 19th Street - Conservation0.60.0000.02 Buckley Property - Hwy 8016.40.0090.46 Deed Restrictions 50 Points DR = 24

16. COASTAL MARSHLANDS PROTECTION ACT GENERAL ASSEMBLY DECLARES THAT COASTAL MARSHLANDS OF GA ARE A VITAL NATURAL RESOURCE SYSTEM MARSHLANDS PROVIDE THE FOLLOWING HABITAT NUTRIENTS BUFFERS AGAINST FLOODING AND EROSION DISSEMINATE POLLUTANTS NATURAL RECREATIONAL RESOURCE ECONOMIC RESOURCE

17. NATURAL FUNCTIONING OPEN SPACE (NFOS) ANFOS / ASFHA = RNFOS RNFOS * 350 = NATURAL FUNCTIONING OPEN SPACE POINTS Natural Functioning Open Space 350 Points NFOS1 (170 Points)aNFOSrNFOS1 = (aNFOS1/aSFHA)NFOS = (rNFOS1*170) Beach200.10.11319.24 Dunes108.60.06110.44 Jaycee Park9.40.0050.90 Coastal Marshlands502.250.28448.29 Buza Property0.60.0000.06 Sallie Pearce7.40.0040.71 Buckley Property - Hwy 8016.40.0091.58 NFOS 3 (50 Points)aNFOS3rNFOS3 = (aNFOS3/aSFHA)NFOS3 = (rNFOS3*50) Critical habitit for piping plover (portion of the beach) 1990.1135.63 NFOS1 82 Points

18. ONGOING COASTAL INITIATIVES THAT BENEFIT NFIP AND CRS PROGRAMS National Flood Insurance Program Community Rating System August 28, 2014

19. COASTAL STORMWATER SUPPLEMENT (CSS) CSS ELEMENTS ORDINANCE GREEN INFRASTRUCTURE/LOW IMPACT DEVELOPMENT FOCUS STORMWATER RUNOFF VOLUME/WQ CONTROL DRAINAGE STRUCTURE MAINTENANCE AGREEMENTS REQUIRED FOR NPDES MS4 COMMUNITIES WATER COURSE PROTECTION? CRS ACTIVITY 450 STORMWATER REGULATION (MAX 755) Stormwater management regulations380 Size of development regulated110 Managing stormwater volume225 Public maintenance regulation20 Low impact development25 Watershed master plan315 Erosion and sedimentation control40 Water quality regulations20 http://epd.georgia.gov/georgia-epd-coastal-stormwater-supplement-stormwater-management-manual

20. COUNTY HAZARD MITIGATION PLANNING COASTAL PLANNING INITIATIVES COASTAL HAZARD PLANS DUE FOR AN UPDATE 2014 – 2016. GEORGIA COASTAL HAZARDS COMMUNITY OF PRACTICE CHATHAM COUNTY NATURAL RESOURCES PROTECTION COMMISSION CRC COASTAL HAZARD MITIGATION PLAN ACTIVITY 510 - FLOODPLAIN MANAGEMENT Floodplain management plan382 10- Step Process Repetitive loss area analyses140 Natural floodplain functions plan100 www.CRSresources.org/500

21. COASTAL FLOOD MAP PROJECT INLAND PHASE COMPLETED COASTAL PHASE IN PROGRESS, TO BE COMPLETED 2015/2106 PARTNERS: FEMA, GA DNR, NOAA, CRC, LOCAL GOVERNMENT LOCAL CONTRIBUTIONS OF RESOURCES/LOCAL STUDIES ACTIVITY 410 FLOODPLAIN MAPPING New study290 State review bonus60 Leverage for non-FEMA cost sharing (multiplier)% Higher study standards160 Floodway standard110

22. ONLINE MAPPING RESOURCES ONLINE SERVICES THE GEORGIA COASTAL HAZARDS PORTAL HTTP://GCHP.SKIO.USG.EDU/ US FISH AND WILDLIFE GEOSPATIAL SERVICES HTTP://WWW.FWS.GOV/GIS/DATA/NAT IONAL/ HTTP://WWW.FWS.GOV/GIS/DATA/NAT IONAL/ CRS ACTIVITY POINTS AVAILABLE Activity 420 (Open Space Preservation)c4202020 Preserved open spaceOSP1450 Deed restriction on OSP parcelDR50 Natural functions open spaceNFOS350 Natural shoreline protectionNSP120 Activity 320 Map Information Service90 1. Basic FIRM information30 2. LiMWA/floodway info/CBRS area20 3. Other flood problems not shown on FIRM20 4. Flood depth data20 5. Special flood-related hazards20 6. Historical flood information20 7. Natural floodplain functions20

23. DRAINAGE SYSTEM OPERATION & MAINTENANCE COASTAL/STATEWIDE PROGRAMS SPECIAL OPTION LOCAL SALES TAX NPDES PERMITS MS4 PHASE I & II WATERSHED PROTECTION PLANS CRS ACTIVITIES Activity 540 (Drainage System Maintenance)570 Channel debris removal200 Problem site maintenance50 Capital improvements program70 Stream dumping regulations30 Storage basin maintenance120

24. OTHER INITIATIVES? WHAT’S HAPPENING IN YOUR COMMUNITY?

25. QUESTIONS? ED DITOMMASO, AICP GISP (C) (912) 596-3407 ED@ECOLOGICALPLANNING.NET COURTNEY REICH, AICP (C) (912) 656-1316 COURTNEY@ECOLOGICALPLANNING.NET Ecological Planning Group, LLC 7 East Congress Street, Suite 801 Savannah, GA 31401 www.ecologicalplanning.net