Related by context. Frequent words. (Click for all words.) 63 aquifer recharge 61 groundwater recharge 61 retention basins 60 groundwater basin 60 underground aquifer 59 water 59 treated effluent 59 aquifer 59 groundwater 58 detention basins 57 evaporation ponds 57 underground aquifers 56 dewatered 56 reservoirs 56 polluted groundwater 55 watersheds 55 wellfield 55 aquifers 55 wastewater 55 groundwater pumping 54 greywater 54 clarifiers 53 effluent 53 rainwater 53 reservoir 53 graywater 53 ponds 53 irrigate 53 drainage basins 53 potable 53 basin 53 artesian wells 53 rainwater runoff 52 streambeds 52 dewatering 52 diking 52 riparian habitat 52 irrigation 52 river basin 52 sewer mains 52 irrigate crops 52 stormwater 52 upstream reservoirs 51 sumps 51 sewage lagoon 51 mill tailings 51 aquatic habitat 51 dredged material 51 dam spillway 51 watercourse 51 stormwater runoff 50 tailings impoundment 50 wetland 50 wetlands 50 wastewater treatment 50 storm sewers 50 dewater 50 drainage 50 irrigation ditches 50 reinjection 50 drainage basin 50 drainages 50 sewage 50 Mokelumne 50 snow melt 50 retention ponds 49 bottomland 49 basins 49 bio solids 49 streambed 49 membrane filtration 49 activated sludge 49 potable water 49 mgd 49 creek 49 reinjected 49 Edwards Aquifer 49 sediment 49 slurry 49 buffer strips 49 polluted runoff 48 Creek tributary 48 creeks 48 lagoons 48 earthen dams 48 dissolved solids 48 catchments 48 irrigated 48 tailings 48 Dewatering 48 silt 48 bd.className + = 48 tidal wetlands 48 floodplain 48 Effluent 48 soils 48 contaminated groundwater 48 heap leach pad 48 wetland habitat 47 outfall 47 outfalls