TABLE OF CONTENTS Page Introduction ........................................................ 1. 1 Acknowledgements ................................... .................. 3 Florida Spring's Task Force ............................................... 3 Task Force Members and Advisors ........................................ 5 Classification of Springs ................................................... 6 Archaeological Significance of Springs ...................................... .. 8 Hydrogeology of Florida Springs .................................. ....... .9 W ater Quality ....................................................... 13 M ethodology ................................................... .... 13 Field Parameters ..................................... .......... .13 W ater Sam ples ................................................. 14 Additional Data ...................................... .......... .14 Discharge Measurements .......................................... 14 Characteristics of Spring W ater ...................................... . 16 Descriptions of Analytes ............................................. 16 Physical Field Param eters ............................................. 17 Dissolved Oxygen ..................................... .......... .17 pH ............ .......................................... 17 Specific Conductance ................ ............................ .17 W ater Temperature ................................... .......... .18 Discharge ........................................... .......... .18 Other Field Data ..................................... .......... .18 Laboratory Analytes ...................................... .......... .18 Alkalinity ........................................... .......... .18 Biochemical Oxygen Demand ........................................ 18 Chloride .................................................... .. 18 Color ....................................................... 18 H ardness ......................................... .......... 18 Nitrate + Nitrite ...................................... .......... .19 Organic Carbon ...................................... .......... .19 Orthophosphate ...................................... .......... .19 Potassium .......................................... .......... .19 Sodium ................... .................................... 19 Sulfate ................... .................................... 19 Total Ammonia ...................................... .......... .20 Total Dissolved Solids ............................................. 20 Total Kjeldahl Nitrogen ........................................... .20 Total Nitrogen ....................................... .......... .20 Total Suspended Solids ........................................... .. 20 Turbidity ...................................................... 20 Trace M etals ........................................ .......... .20 Biological Analytes ..................................... ...... .... 21 Descriptions of Individual Springs and Results of Analyses ................. .... .23 Alachua County ......................................... .......... .23 Hornsby Spring ...................................... .......... .23