Related by context. Frequent words. (Click for all words.) 56 aquifer 54 aquifer recharge 54 groundwater pumping 53 streamflows 52 groundwater 52 groundwater basin 52 freshwater 51 underground aquifer 51 Floridan Aquifer 51 water 51 aquifers 50 groundwater recharge 49 Pueblo Reservoir 49 underground aquifers 49 groundwater extraction 49 salinity 48 reservoirs 48 streamflow 48 Mokelumne 48 aquatic habitat 47 irrigated farmland 47 hydro lakes 47 overpumping 47 Ogallala Aquifer 47 artesian wells 47 reservoir 46 irrigated agriculture 46 irrigated crops 46 Coho salmon 46 irrigation 46 watersheds 46 Groundwater 46 wellfield 46 MMWD 45 desalinization 45 nutrient loading 45 underwater grasses 45 soil fertility 45 groundwater basins 45 storages 45 saltwater intrusion 45 Grande Ronde 45 Edwards Aquifer 44 overfishing pollution 44 upstream reservoirs 44 eel grass 44 Naches River 44 dissolved oxygen levels 44 caribou herds 44 irrigators 44 geoexchange 44 river basin 44 Basin 44 Drip irrigation 44 timber harvests 44 snowpack 44 Aquifer 44 Soil moisture 44 Reservoir 43 mountain snowpack 43 mgd 43 submersible pumps 43 basin 43 nutrient runoff 43 wildlife habitat 43 spawning habitat 43 irrigate crops 43 Windy Gap 43 diked 43 evapotranspiration 43 intertie 43 depleted stockpiles 43 eelgrass 43 Dalles Dam 43 Angat Dam 43 Saylorville 43 Stillaguamish River 43 hydropower 42 River basin 42 diking 42 wastewater treatment 42 Snowpack 42 Nacimiento 42 River Basin 42 timber harvest 42 dewatering 42 evaporation ponds 42 threadfin shad 42 Murrumbidgee River 42 Klamath Reclamation Project 42 crop yields 42 tailwater 42 gigalitres 42 Cowlitz River 42 Millerton Lake 42 Salinity 42 productivities 42 stormwater retention 42 arid regions 42 dams 42 Water