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Town of 120076 Jacksonville Beach, City of 120078 Jacksonville, City of 120077 Neptune Beach, City of 120079

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Town of 120076 Jacksonville Beach, City of 120078 Jacksonville, City of 120077 Neptune Beach, City of 120079 DUVAL COUNTY, FLORIDA (ALL JURISDICTIONS) Volume 3 of 6 COMMUNITY NAME COMMUNITY NUMBER ATLANTIC BEACH, CITY OF 120075 *BALDWIN, TOWN OF 120076 JACKSONVILLE BEACH, CITY OF 120078 JACKSONVILLE, CITY OF 120077 NEPTUNE BEACH, CITY OF 120079 * NO SPECIAL FLOOD HAZARD AREAS IDENTIFIED Effective: June 3, 2013 Federal Emergency Management Agency FLOOD INSURANCE STUDY NUMBER 12031CV003A Duval County, Florida (All Jurisdictions) NOTICE TO FLOOD INSURANCE STUDY USERS Communities participating in the National Flood Insurance Program have established repositories of flood hazard data for floodplain management and flood insurance purposes. This Flood Insurance Study (FIS) may not contain all data available within the repository. It is advisable to contact the community repository for any additional data. The Federal Emergency Management Agency (FEMA) may revise and republish part or all of this Preliminary FIS report at any time. In addition, FEMA may revise part of this FIS report by the Letter of Map Revision (LOMR) process, which does not involve republication or redistribution of the FIS report. Therefore, users should consult community officials and check the Community Map Repository to obtain the most current FIS components. Selected Flood Insurance Rate Map panels for this community contain the most current information that was previously shown separately on the corresponding Flood Boundary and Floodway Map panels (e.g., floodways and cross sections). In addition, former flood hazard zone designations have been changed as follows. Old Zone(s) New Zone A1 through A30 AE B X (shaded) C X Initial Countywide FIS Effective Date: June 3, 2013 TABLE OF CONTENTS – VOLUME 1 Page 1.0 INTRODUCTION 1 1.1 Purpose of Study 1 1.2 Authority and Acknowledgments 1 1.3 Coordination 3 2.0 AREA STUDIED 4 2.1 Scope of Study 4 2.2 Community Description 29 2.3 Principal Flood Problems 30 2.4 Flood Protection Measures 31 3.0 ENGINEERING METHODS 31 3.1 Hydrologic Analyses 31 3.2 Hydraulic Analyses 98 Page TABLES Table 1 – CCO Meeting Dates for Precountywide FISs 4 Table 2 – Flooding Sources Studied by Detailed Methods 5 Table 3 – Scope of Revision 5 Table 4 - Letters of Map Change 26 Table 5 – Precountywide Summary of Discharges 32 Table 6 – Revised Summary of Discharges 33 TABLE OF CONTENTS – VOLUME 2 Page 3.3 Coastal Analyses 105 3.4 Vertical Datum 122 i TABLE OF CONTENTS – VOLUME 2 - continued 4.0 FLOODPLAIN MANAGEMENT APPLICATIONS 123 4.1 Floodplain Boundaries 123 4.2 Floodways 124 Page FIGURES Figure 1 – Transect Location Map 112 Figure 2 – Transect Schematic 122 Figure 3 – Floodway Schematic 125 Page TABLES Table 7 – Precountywide Manning’s “n” Values 99 Table 8 – Revised Manning’s “n” Values 100 Table 9 – Parameter Values for Surge Elevations - Entering 107 Table 10 – Parameter Values for Surge Elevations - Alongshore 108 Table 11 – Parameter Values for Surge Elevations - Exiting 108 Table 12 – Coastal Data 113 Table 13 – Floodway Data 126 TABLE OF CONTENTS – VOLUME 3 5.0 INSURANCE APPLICATIONS 216 6.0 FLOOD INSURANCE RATE MAP 217 7.0 OTHER STUDIES 219 8.0 LOCATION OF DATA 219 9.0 BIBLIOGRAPHY AND REFERENCES 219 ii TABLE OF CONTENTS – VOLUME 3 - continued Page TABLES Table 14 – Community Map History 218 EXHIBITS Exhibit 1 - Flood Profiles Big Davis Creek Panels 01P – 02P Big Fishweir Creek Panel 03P Big Fishweir Creek Tributary 1 Panel 04P Bigelow Branch Panel 05P Blockhouse Creek Panels 06P – 07P Bonett Branch Panel 08P Box Branch Panels 09P – 10P Box Branch Tributary 1 Panel 11P Butcher Pen Creek Panel 12P Caldwell Branch Panels 13P - 14P Caldwell Branch Tributary 1 Panel 15P Caldwell Branch Tributary 2 Panel 16P Caney Branch Panel 17P Cedar Creek Panels 18P – 21P Cedar Creek Tributary 2 Panel 22P Cedar Creek Tributary 6 Panel 23P Cedar Creek Tributary 7 Panel 24P Cedar Creek Tributary 8 Panel 25P Cedar River Panels 26P – 28P Cedar River Tributary 1 Panel 29P Cedar River Tributary 12 Panel 30P Cedar River Tributary 13 Panel 31P Cedar River Tributary 14 Panel 32P Cedar River Tributary 15 Panel 33P Cedar River Tributary 16 Panel 34P Cedar River Tributary 17 Panel 35P Cedar River Tributary 19 Panel 36P Cedar Swamp Creek Panels 37P – 39P Cedar Swamp Creek Tributary 1 Panel 40P Cedar Swamp Creek Tributary 2 Panel 41P Christopher Creek Panel 42P Christopher Creek Tributary 1 Panel 43P Cormorant Branch Panels 44P – 45P Craig Creek Panel 46P Deep Bottom Creek Panel 47P iii TABLE OF CONTENTS – VOLUME 3 - continued Exhibit 1 - Flood Profiles Deep Bottom Creek Tributary 1 Panel 48P Deer Creek Panel 49P Dunn Creek Panels 50P – 53P Dunn Creek Tributary 1 Panel 54P Dunn Creek Tributary 2 Panel 55P Dunn Creek Tributary 3 Panel 56P Durbin Creek Panels 57P – 58P Durbin Creek Tributary 1 Panel 59P East Branch Panel 60P East Branch Tributary 1 Panel 61P Fishing Creek Panels 62P – 63P Fishing Creek Tributary 1 Panel 64P Ginhouse Creek Panels 65P – 66P Goodbys Creek Panels 67P – 68P Goodbys Creek Tributary 1 Panel 69P Goodbys Creek Tributary 2 Panel 70P Goodbys Creek Tributary 3 Panel 71P Goodbys Creek Tributary 4 Panel 72P Goodbys Creek Tributary 5 Panel 73P Greenfield Creek Panel 74P Gulley Branch Panel 75P Half Creek Panels 76P – 77P Half Creek Tributary 1 Panel 78P Half Creek Tributary 2 Panel 79P Hogan Creek Panels 80P – 81P Hogpen Creek Panel 82P Hogpen Creek Tributary 1 Panel 83P Hopkins Creek Panel 84P TABLE OF CONTENTS – VOLUME 4 Exhibit 1 - Flood Profiles Hopkins Creek Tributary 1 Panel 85P Hopkins Creek Tributary 2 Panel 86P Hopkins Creek Tributary 3 Panel 87P Jones Creek Panels 88P – 89P Jones Creek Tributary 1 Panel 90P Jones Creek Tributary 2 Panels 91P – 92P Julington Creek Panels 93P – 96P Julington Creek Tributary 1 Panel 97P iv TABLE OF CONTENTS – VOLUME 4 - continued Exhibit 1 - Flood Profiles Julington Creek Tributary 4 Panel 98P Julington Creek Tributary 5 Panel 99P Julington Creek Tributary 8 Panel 100P Little Cedar Creek Panels 101P – 103P Little Cedar Creek Tributary 1 Panel 104P Little Cedar Creek Tributary 2 Panel 105P Little Fishweir Creek Panels 106P – 107P Little Pottsburg Creek Panels 108P – 109P Little Pottsburg Creek Tributary 1 Panel 110P Little Pottsburg Creek Tributary 2 Panel 111P Little Pottsburg Creek Tributary 3 Panel 112P Little Sixmile Creek Panels 113P – 114P Little Sixmile Creek Tributary 1 Panel 115P Little Sixmile Creek Tributary 2 Panel 116P Little Sixmile Creek Tributary 3 Panel 117P Little Trout River Panels 118P – 119P Little Trout River Tributary 4 Panel 120P Little Trout River Tributary 6 Panel 121P Little Trout River Tributary 10 Panel 122P Long Branch Panel 123P Long Branch Tributary 1 Panel 124P Magnolia Gardens Creek Panels 125P – 126P McCoy Creek Panels 127P – 128P McCoy Creek North Branch Panel 129P McCoy Creek Southwest Branch Panel 130P McCoy Creek Tributary 5 Panel 131P McGirts Creek Panels 132P – 133P McGirts Creek Tributary 11 Panel 134P McGirts Creek Tributary 12 Panel 135P McGirts Creek Tributary 14 Panel 136P Mill Dam Branch Panels 137P – 139P Mill Dam Branch Canal Panel 140P Mill Dam Branch Tributary 3 Panel 141P Mill Dam Branch Tributary 4 Panel 142P Mill Dam Branch Tributary 5 Panel 143P Miller Creek Panel 144P Miller Creek Tributary 1 Panel 145P Miramar Tributary Panel 146P Moncrief Creek Panels 147P – 148P Moncrief Creek Tributary 4 Panel 149P Mount Pleasant Creek Panels 150P – 153P Mount Pleasant Creek Tributary 3 Panel 154P Mount Pleasant Creek Tributary 4 Panel 155P v TABLE OF CONTENTS – VOLUME 4 - continued Exhibit 1 - Flood Profiles Mount Pleasant Creek Tributary 6 Panel 156P Nassau River/Thomas Creek Panel 157P Thomas Creek Panels 158P – 159P New Rose Creek Panel 160P New Rose Creek Tributary 1 Panel 161P Newcastle Creek Panel 162P Newcastle Creek Tributary 1 Panel 163P Ninemile Creek Panels 164P – 165P Ninemile Creek Tributary 1 Panel 166P Ninemile Creek Tributary 2 Panel 167P Ninemile Creek Tributary 6 Panel 168P North Fork Sixmile Creek Panels 169P – 170P North Fork Sixmile Creek Tributary 1 Panel 171P Oldfield Creek Panels 172P – 173P Oldfield Creek Tributary 1 Panel 174P Oldfield Creek Tributary 2 Panel 175P Oldfield Creek Tributary 3 Panel 176P TABLE OF CONTENTS – VOLUME 5 Exhibit 1 - Flood Profiles Oldfield Creek Tributary 4 Panel 177P Oldfield Creek Tributary 7 Panel 178P Open Creek Panels 179P – 180P Open Creek Tributary 1 Panel 181P Open Creek Tributary 2 Panel 182P Open Creek Tributary 3 Panel 183P Open Creek Tributary 4 Panel 184P Ortega River Panels 185P – 190P Ortega River Tributary 1 Panel 191P Ortega River Tributary 2 Panel 192P Ortega River Tributary 3 Panels 193P – 195P Ortega River Tributary 4 Panels 196P – 197P Ortega River Tributary 5 Panel 198P Ortega River Tributary 6 Panel 199P Ortega River Tributary 7 Panel 200P Ortega River Tributary 10 Panel 201P Ortega River Tributary 11 Panel 202P Pablo Creek Panels 203P – 205P Pablo Creek Tributary 1 Panel 206P Pablo Creek Tributary 2 Panels 207P – 208P Pablo Creek Tributary 3 Panels 209P – 210P vi TABLE OF CONTENTS – VOLUME 5 - continued Exhibit 1 - Flood Profiles Pickett Branch Panels 211P – 212P Pickett Branch Tributary 3 Panel 213P Pickett Branch Tributary 4 Panel 214P Pickett Branch Tributary 5 Panel 215P Pottsburg Creek Panels 216P – 219P Pottsburg Creek Tributary 5 Panel 220P Puckett Creek Panel 221P Red Bay Branch Panel 222P Red Bay Branch Tributary 1 Panel 223P Ribault River Panels 224P – 225P Ribault River Tributary 2 Panel 226P Ribault River Tributary 5 Panel 227P Ribault River Tributary 8 Panel 228P Ribault River Tributary 9 Panel 229P Rowell Creek Panels 230P – 231P Rowell Creek Tributary 2 Panel 232P Rushing
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