Hydrogeology of the Northwest Florida Water Management District
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HYDROGEOLOGY OF THE NORTHWEST FLORIDA WATER MANAGEMENT DISTRICT By Thomas R. Pratt, Christopher J. Richards, Katherine A. Milla, Jeffry R. Wagner, Jay L. Johnson and Ross J. Curry _________________________________________ NORTHWEST FLORIDA WATER MANAGEMENT DISTRICT Water Resources Special Report 96-4 Thomas R. Pratt Professional Geologist License No. 159 December 4, 1996 October 1996 NORTHWEST FLORIDA WATER MANAGEMENT DISTRICT =========================================== GOVERNING BOARD Charles W. Roberts, Chairman Hosford E. Hentz Fletcher, Jr., Vice-Chairman Quincy Bennett T. Eubanks, SecretarylTreasurer Blountstown John O. de Lorge George Willson Robert L. Howell Cantonment Tallahassee Apalachicola John R. Middlemas, Jr. M. Copeland Griswold Roger H. Wright Panama City Chumuckla Valparaiso ==================================== Douglas E. Barr - Executive Director .. ==================================== For additional information, write or call: Northwest Florida Water Management District Route 1, Box 3100 Havana, Florida 32333-9700 (904) 539-5999 TABLE OF CONTENTS CHAPTER I: INTRODUCTION.......................................................................................................... 1 Location........................................................................................................................................ 1 Climate......................................................................................................................................... 1 Topography and Physiography ............................. :...................................................................... 1 Land Use...................................................................................................................................... 2 Ground Water Monitoring........................... .................. ............................................. ................... 2 Limitations on Applicability .... ......... ............................................... ............ ................................... 2 CHAPTER II: HYDROGEOLOGIC OVERViEW............................................................................... 3 Regional Hydrostratigraphy .......................................................................................................... 3 Surficial Aquifer System......................................................................................................... 4 Intermediate System.............................................................................................................. 4 Floridan Aquifer System..... ................................... ........... .................. ........................... ........ 4 Sub-Floridan System ........................................... .......... ........................ .......... ...... ................ 5 Ground Water Regions............... ..... ......... ...... ..... ....... ................... ... ... ........... .... .... ................ ...... 5 Woodville Karst Region.......................................................................................................... 5 Apalachicola Embayment Region .... ............. .......................... ............................................... 5 Dougherty Karst Region ............................................................ :........................................... 6 Western Panhandle Region.................................... .......... ............................... ................ ...... 6 CHAPTER lit: GROUND WATER ISSUES....................................................................................... 9 Water Availability .......................................................................................................................... 9 Surficial Aquifer System......................................................................................................... 9 Floridan Aquifer System ........................................................................................................ 9 Other Aquifers........................................................................................................................ 9 Water Use Trends................... ............... ................................. ................................ ...... ......... ...... 9 Susceptibility to Contamination. ............. ....................... .................. ....................... ................ ...... 10 Saltwater Encroachment ......... ....... ........... ........... .......................... ........ ...................................... 10 Woodville Karst Region.......................................................................................................... 11 Apalachicola Embayment Region............................ ......... .................................. ................... 11 Dougherty Karst Region.......... ............................ ................... ...... .......................... ............... 11 Western Panhandle Region................................................................................................... 12 Interstate Ground Water Relationships ........................................................................................ ·12 Surficial and Intermediate Aquifer Systems........................................................................... 12 Floridan Aquifer System ........................................................................................................ 12 Abandoned Wells... .................... ................................. ................... ............................... .......... ..... 13 Deep Well Injection ...................................................................................................................... 13 BIBLIOGRAPHY ................................................................................................................................ 15 CHAPTER IV: APPENDiCES............................................................................................................ 25 Appendix A: District-Wide Features ............................................................................................ 25 Appendix B: Woodville Karst Region........................................................................................... 39 Appendix C: Apalachicola Embayment Region........................................................................... 53 Appendix D: Dougherty Karst Region .... ...... ...... ........................ ................ ................ ................. 67 Appendix E: Western Panhandle Region .................................................................................... 81 LIST OF FIGURES LIST OF FIGURES (continued) 1. Correlation of Hydrogeologic Systems to Stratigraphy in the Panhandle Region .................. .. 3 B-4 Altitude of the Top of the Intermediate System......................................................................... 44 2. Profile of the Floridan Aquifer System and Ground Water Chloride Concentrations Along B-5 Thickness of the Intermediate System.... .............. .................... .......... ........................ ...... ....... 45 the Coast of Northwest Florida ............................................................................................... .. 11 B-6 Altitude of the Top of the Floridan Aquifer System........ ................ .................. ......................... 46 3. Conceptual Freshwater/Saltwater Relationship in the Coastal Portion of the Western Panhandle Region .................................................................................................................... 12 B-7 Thickness of the Floridan Aquifer System (Undifferentiated) ................................................... 47 B-8 Altitude of the Top of the Sub-Floridan System ........................................................................ 48 Appendix A: District-Wide Features B-9 Potentiometric Surface of the Floridan Aquifer System, May 1986 .......................................... 49 A-1 Map of the Northwest Florida Water Management District....................................................... 27 B-10 Total Dissolved Solids Concentrations for Ground Water from the Floridan A-2 Physiography and Rivers in the Northwest Florida Water Management District...... ........ ........ 28 Aquifer System ...................... ...................... ............... .............................................................. 50 A-3 Ground Water Regions in the Northwest Florida Water Management District......................... 29 Appendix C: Apalachicola Embayment Region A-4 Ground Water Quality Monitoring Sites in the Northwest Florida Water Management District................ ....................... ................................................................... ..... 30 C-1 Township and Range Regional Locational Reference for the Apalachicola Embayment Region .................................................................................................................. 55 A-5 Occurrence and Extent of Hydrogeologic Units in the Northwest Florida Water Management District...................................................................................................... 31 C-2 Distribution of Hydrogeologic Data ControL........ .................. ...... ........................ ..................... 56 A-6 Aerial Extent of Stratigraphic Units Composing the Intermediate System ............................... 32 C-3 Thickness Distribution for the Surficial