Related by context. Frequent words. (Click for all words.) 52 Turbidity 49 silts 44 contaminants 44 oxygenating 44 hydrologic cycle 44 hydrological cycle 43 contaminant 42 radioactive cesium 42 concentrations 41 impurities 41 irrigated agriculture 41 Shampoos 41 aqueous humor 41 naturally occurring mineral 41 residues 41 residue 41 trichlorethylene TCE 40 creeks streams 40 Aquifers 40 arsenic 40 chlordane 39 chemical residues 39 contaminates 39 Residues 39 detergents 39 carcinogenic substances 39 aquifer recharge 39 contamination 39 melting snowpack 39 groundwater basin 39 watercourse 38 clog pores 38 Hinkson Creek 38 arsenate 38 odorless tasteless 38 impurity 38 overspray 38 windshield washer 38 polychlorinated biphenyls PCBs 38 lowland flooding 38 Seepage 38 Grass clippings 37 isotope ratios 37 seepage 37 dishwashing soap 37 coulees 37 snow melt 37 groundwater aquifers 37 groundwater basins 37 ionizer 37 dishwashing detergent 37 absorbs moisture 37 Snowmelt 37 E. coli bacterium 37 poisonous chemicals 37 evaporation 37 damp sponge 36 harmful chemicals 36 upwellings 36 Soil samples 36 oxbows 36 Fryingpan River 36 Rinsing 36 harmful substances 36 channelization 36 tributary streams 35 Disinfect 35 detectible 35 headwater 35 chlorine bleach 35 venous blood 35 washes 35 snowmelt 35 PCBs polychlorinated biphenyls 35 detergent 35 trace amounts 35 wash rinse 35 moisturizes 35 freshwaters 35 flows 35 recirculates 35 contaminated 35 Amu Darya 35 sewage discharges 35 freshet 35 Toxic chemicals 35 Menindee Lakes 35 rainfall 34 bleach 34 drains 34 americium 34 mustiness 34 Exfoliating 34 spray nozzles 34 detectable 34 Mitochondrial DNA 34 sediment samples 34 glacial melt 34 groundwater recharge 34 downstream 34 Sutlej river