REPORT OF INVESTIGATIONS NO. 42 Figure 42. Iron content of water in the Floridan aquifer in Green Swamp area. a well (810-144-1) located on the piezometric high were analyzed for trace elements, none of which were present in a concentration that would impair the usability for most purposes. HYDROCHEMISTRY OF THE FLORIDAN AQUIFER IN CENTRAL FLORIDA The chemistry of water in the Floridan aquifer can be used to gain a better understanding of the hydrology of the Green Swamp area and the recharge potential of the Green Swamp as compared to the rest of the central Florida area. The chemistry of the water