Related by context. Frequent words. (Click for all words.) 71 Floridan Aquifer 69 shallow aquifer 66 wellfields 62 aquifer 61 saltwater intrusion 61 groundwater 60 underground aquifer 59 groundwater aquifers 58 aquifers 58 water 56 groundwater basin 56 underground aquifers 55 groundwater extraction 55 wellfield 55 aquifer recharge 55 Ogeechee River 54 artesian wells 54 reservoirs 54 Alafia River 54 reservoir 53 Stormwater runoff 53 coastal estuaries 52 overpumping 52 Aquifer 52 Edwards Aquifer 52 freshwater 52 tidal waters 52 groundwater pumping 52 Lake Okeechobee 52 ocean outfall 51 Apalachicola River 51 Aquifers 51 brackish water 51 embayment 50 sewage effluent 50 Lake Lavon 50 groundwater recharge 50 creeks rivers 50 Hetch Hetchy Reservoir 50 treated effluent 50 wastewater 50 outfalls 50 salinity 50 headwaters 50 seawater 50 drainage basins 50 Lake Cachuma 49 polluted groundwater 49 basin 49 Ochlockonee River 49 sediment 49 deplete oxygen 49 Soil erosion 49 Groundwater 49 Altamaha River 49 freshwater marshes 49 clam flats 49 flowage 49 sanitary sewage 49 Seepage 49 brackish 49 headwater 49 Lake Allatoona 49 nutrient loading 48 Angat Dam 48 outfall 48 total dissolved solids 48 river basin 48 contaminated groundwater 48 waterbodies 48 Lake Bistineau 48 dam spillway 48 groundwater basins 48 seawaters 48 Allatoona 48 mussel species 48 Fryingpan River 48 turbidity 48 Bull Shoals Dam 48 Murrumbidgee River 48 tidal rivers 48 injection wells 48 seepage 48 Pueblo Reservoir 48 Algae blooms 48 irrigate crops 48 chloramines 48 sanitary sewer overflows 48 Esopus Creek 47 SRBC 47 Everglades Agricultural 47 Withlacoochee River 47 untreated wastewater 47 tributary streams 47 septic tanks 47 Buford Dam 47 sediment runoff 47 watersheds 47 sewage discharges 47 dissolved oxygen levels 47 THMs