Related by context. Frequent words. (Click for all words.) 61 polluting groundwater 57 contaminating groundwater 56 contaminate drinking 53 gasoline additive 53 suspected carcinogen 52 Chlorinated 52 diarrhea cramps nausea 52 contaminate groundwater 52 polluted groundwater 52 phosphorus pollution 52 hydraulic fracturing fluids 52 fracturing fluids 52 polluting waterways 52 pollution abatement 51 Sulfuric acid 51 mold fungi 51 MTBE contamination 51 gasoline additive MTBE 51 Edge Moor 51 Nitrogen oxide 51 nitrate contamination 50 deplete oxygen 50 brackish groundwater 50 pollute waterways 50 drilling muds 50 Methyl bromide 50 fertilizers herbicides 50 pentachlorophenol 50 additive MTBE 49 perfluorooctanoic acid PFOA 49 contaminating 49 contaminated 49 arsenic contaminated 49 recharge groundwater 49 polyaromatic hydrocarbons 49 mercury sulfur dioxide 49 MtBE 49 Contaminated soil 49 vinyl chloride monomer 49 fragile marshes 49 Stormwater runoff 49 corrosion inhibitor 49 Hydrogen sulfide 49 hazardous liquids 48 pipeline ruptures 48 piped inland 48 trichloroethene 48 nonylphenol 48 chemically contaminated 48 Volatile organic compounds 48 MTBE 48 toxic solvents 48 silver dihydrogen citrate 48 Anhydrous 48 Hydrofracking 48 aromatic hydrocarbons 48 paints solvents 48 methyl ethyl ketone 48 hydro fracturing 48 Soda ash 47 smog acid 47 Reverse osmosis 47 Frank Maisano spokesman 47 desalinating 47 shallow aquifers 47 Hydrochloric acid 47 Clean Streams Law 47 benzene toluene 47 crystalline silica 47 superalloy producers 47 toxic residues 47 byproducts 47 Ultra Low Sulfur Diesel 47 SDWA 47 haloacetic acids 47 frac'ing 47 Leachate 47 fluorocarbons 47 Sulphuric acid 47 coal petroleum coke 47 Soil erosion 47 Radiation leaks 47 contaminates 47 unlined pits 47 polychlorinated biphenyl 46 contamination 46 Trichloroethylene 46 harmful contaminants 46 irrigating crops 46 toxic byproducts 46 toxic chemicals 46 nutrient runoff 46 landfill leachate 46 manure spills 46 mercury emitted 46 Contaminant 46 fluorides 46 Toxic chemicals 46 microbial contaminants 46 PPCPs 46 petrochemicals pharmaceuticals