Related by context. Frequent words. (Click for all words.) 66 shallow aquifer 58 groundwater 58 underground aquifer 58 aquifer 57 aquifers 57 groundwater aquifers 56 wastewater effluent 56 wellfields 56 groundwater basin 56 recharge groundwater 56 evaporation ponds 55 aquifer recharge 55 settling ponds 54 Floridan Aquifer 54 groundwater recharge 54 wellfield 54 underground aquifers 54 water 53 groundwater pumping 53 fracturing fluids 53 hydrogeologic 52 groundwater withdrawals 52 desalinization plant 52 Elephant Butte 51 stormwater ponds 51 artesian wells 51 Aquifers 51 dissolved solids 51 stormwater discharge 51 groundwater basins 51 Raton Basin 51 Edwards Aquifer 50 pig feces 50 reservoir 50 Nacimiento 50 naturally occurring mineral 50 CRMWA 50 brackish 50 reservoirs 50 saltwater intrusion 50 groundwater extraction 49 polluted groundwater 49 Hetch Hetchy Reservoir 49 nutrient loading 49 sewage effluent 49 wastewater 49 basin 49 stormwater retention 49 Stormwater runoff 49 freshwater 49 desalinization plants 49 sewage lagoon 49 Lake Lavon 49 irrigation ditches 49 wastewater discharges 49 Turbidity 49 riparian vegetation 49 retention basins 49 riparian buffer 49 total dissolved solids 49 embayment 48 Pueblo Reservoir 48 polluting groundwater 48 Ogallala Aquifer 48 Impoundment 48 seepage 48 Contaminated soil 48 drainfield 48 contaminating groundwater 48 Elimination System NPDES 48 Reverse osmosis 48 sedimentation 48 deplete oxygen 48 Lake Tenkiller 47 Raw sewage 47 brackish water 47 drainage basin 47 sediment 47 Barnett Shale formation 47 Alafia River 47 Seepage 47 nitrogen phosphorus 47 reinjection 47 headwater streams 47 intermittent streams 47 ultraviolet disinfection 47 riparian habitat 47 amphipods 47 Vallecitos 47 contaminants 47 DBPs 47 phosphate mines 47 overpumping 47 fracking fluids 47 contaminate groundwater 47 headwaters 47 Hydrogen sulfide 46 Animas La Plata 46 Water Reclamation Facility 46 creeks rivers 46 Groundwater