Related by context. Frequent words. (Click for all words.) 56 pollute groundwater 56 pollute 54 contaminate groundwater 53 manure piles 52 herbicides pesticides 50 potent greenhouse gas 49 acidify 49 mountaintop mines 48 Grass clippings 48 mountaintop removal mines 48 toxic sediments 48 polluted runoff 48 contaminating groundwater 48 contaminate 47 polution 47 harmful contaminants 47 rotting vegetation 47 Invasive plants 47 stormwater discharge 47 absorbs carbon dioxide 46 smokestack emissions 46 polluting 46 vegetative debris 46 furans 46 livestock manure 46 cattle feedlots 46 pollutant 46 creeks streams 46 pollutants 46 discolour 46 lawn clippings 46 toxic pollutant 46 manure 46 dischargers 45 bio solids 45 environmentally damaging 45 evaporation ponds 45 sooty mold 45 sediment runoff 45 Soil erosion 45 tailing ponds 45 Nitrogen oxides 45 rice hulls 45 noxious odors 45 animal droppings 45 deplete oxygen 45 intermittent streams 44 grass cuttings 44 overpopulate 44 nitrous oxides 44 dirties 44 discharging pollutants 44 Stormwater runoff 44 sulfur dioxide nitrogen oxide 44 indiscriminate dumping 44 fecal material 44 Rotenone 44 contaminate drinking 44 weed seeds 44 pollution 44 pollutes 44 streambeds 44 nutrient runoff 44 silts 44 effluent discharge 44 fertilizers pesticides 44 uranium tailings 44 effluent 44 effluents 44 sequester carbon dioxide 44 sludges 44 soil conditioner 44 dissolved solids 44 inorganic fertilizers 44 woody debris 43 Thoroughly cooking 43 polluted groundwater 43 silt 43 acidifying 43 Response Compensation 43 sulfur dioxide nitrogen oxides 43 Mountaintop removal 43 carbaryl 43 gunky 43 Clean Water Act 43 pollutants emitted 43 settling ponds 43 toxic byproducts 43 leaves grass clippings 43 septics 43 smog forming 43 headwater streams 43 harmful pollutants 43 Edge Moor 43 fragile marshlands 43 sludge 43 nitrogen phosphorous 43 gases emitted 43 environmentally unfriendly 43 suspected carcinogen 43 sediment