Related by context. Frequent words. (Click for all words.) 59 aquifer 56 groundwater 56 underground aquifer 55 Ogallala Aquifer 52 Edwards Aquifer 52 groundwater recharge 52 groundwater pumping 51 Groundwater 50 mgd 50 aquifers 50 underground aquifers 49 Aquifer 49 total dissolved solids 47 wastewater 47 Lake McConaughy 47 water 47 reservoirs 47 wastewater treatment 47 unappropriated 46 Revolving Loan Fund 46 Water Conservation 45 River Basin 45 River basin 45 reservoir 45 HDR Engineering 44 Wastewater Treatment Facility 44 tailwater 44 watersheds 44 potable 44 Water Supply 43 irrigation 43 hydrologic 43 river basin 43 irrigated agriculture 43 treated effluent 43 stormwater drainage 42 dissolved oxygen levels 42 streamflow 42 wells 42 Water Works 42 Wastewater Treatment Plant 42 GRDA 42 river basins 42 Water Treatment Plant 41 Water Conservancy 41 submersible pumps 41 evapotranspiration 41 irrigated 41 SNWA 41 Wastewater 41 irrigate crops 41 contaminated groundwater 41 desalinization 41 dissolved solids 41 Water Resources 41 hydrology 40 nutrient runoff 40 drainage basin 40 Reservoir 40 Watershed Protection 40 perchlorate contamination 40 headwaters 40 Storage Tank 40 sewer hookups 40 basin 40 floodplain 40 lawn watering 40 riparian habitat 40 dewatering 40 sewer 40 Reclamation 40 streamflows 40 stormwater 40 David Stooksbury 40 Drainage 40 wastewater discharge 40 Stormwater 40 soil moisture 39 DMEA 39 membrane filtration 39 wetland mitigation 39 sewer overflows 39 WWTP 39 potable water 39 lakebed 39 saltwater intrusion 39 Soil moisture 39 gallons 39 Treatment Plant 39 Irrigation District 39 dissolved oxygen 39 tmcft 39 stormwater runoff 39 sandy soils 39 LCRA 39 diking 39 livestock manure 39 hydrogeologist 39 coalbed methane 39 Upper Klamath 38 Safe Drinking Water