Related by context. Frequent words. (Click for all words.) 59 groundwater recharge 57 groundwater 56 groundwater pumping 56 aquifer 54 Edwards Aquifer 54 mgd 52 total dissolved solids 51 aquifers 50 wastewater 50 stormwater runoff 50 reservoirs 50 stormwater 49 suspended solids 49 wastewater discharge 49 water 49 hydrologic 49 streamflow 49 turbidity 49 sedimentation 48 sewer hookups 48 cfs 47 percolation 47 impervious surface 47 wastewater discharges 47 impervious surfaces 47 lawn watering 47 dissolved oxygen levels 46 TMDL 46 dewatering 46 sewer 46 reservoir 46 septic systems 46 sanitary sewer 46 Snowpack 46 Water Treatment Plant 46 ozone concentrations 46 Groundwater 46 alkalinity 46 outdoor watering 45 dewatered 45 OEPA 45 snowpack 45 discharges 45 underground aquifers 45 wastewater treatment 45 mg l 45 effluent 45 sumps 45 underground aquifer 45 fecal coliform 45 treated effluent 44 useage 44 dissolved oxygen 44 salinity 44 irrigation 44 watersheds 44 saltwater intrusion 44 hydrological 44 ADEQ 44 leachate 44 drainage 44 flowback 44 irrigated agriculture 44 Reservoirs 44 pollutant 43 snowmelt 43 sewer overflows 43 LCRA 43 stormwater drainage 43 OWASA 43 mountain snowpack 43 stormwater pollution 43 TCEQ 43 septage 43 snow melt 43 ponding 43 EBMUD 43 fecal coliform bacteria 43 rainfall 43 Reservoir 43 Wastewater Treatment Plant 43 floodplain 42 nitrate 42 precipitation 42 hydrology 42 TCID 42 gpm 42 storm sewers 42 polluted runoff 42 basin 42 sewer mains 42 Stormwater 42 drainage basin 42 sewage spills 42 Water Conservancy 42 Swiftmud 42 river basin 42 Aquifer 42 Ogallala Aquifer 42 nitrogen phosphorus 42 sediment