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(Click for frequent words.) 75 heavily polluted 69 polluted rivers 67 polluting 66 polluted waterways 66 Polluted 64 pollution 64 polluted waterway 64 contaminated 61 pollutes 61 arsenic contaminated 61 pollute 60 polluted groundwater 58 pollutants 57 salinated 57 pollutant 57 toxic waste 57 toxic pollutants 56 smoggiest 56 polluting groundwater 56 eutrophic 56 untreated effluent 55 toxic chemicals 55 pollutions 55 toxic 54 smoggy 54 toxic polychlorinated biphenyls 54 Thi Vai River 54 contaminates 54 air pollution 53 leaking septic tanks 53 discharging untreated 53 dangerously polluted 53 toxic effluents 53 Superfund sites 53 contaminated groundwater 52 turbid water 52 raw untreated sewage 52 discharging contaminates 52 naturally occurring arsenic 52 polluter 52 raw sewage discharges 52 overflowing sewage 52 contaminating 52 Pollution 52 unpolluted 52 polluted stormwater runoff 52 polluting factories 52 Taihu Lake 52 Polluted runoff 52 toxic wastes 51 rivers lakes 51 Perchlorate contamination 51 dump raw sewage 51 polution 51 Liaohe River 51 PCBs dioxins 51 undrinkable 51 pollute rivers 51 contaminates groundwater 51 polluted stormwater 51 notoriously polluted 51 Untreated sewage 51 toxic dioxins 51 sewage discharges 51 Dianchi Lake 51 polluting industries 51 industrial effluents 51 polluting waterways 51 Polluting 51 untreated effluents 51 turbid 50 carcinogenic benzene 50 Effluents 50 uncontrolled hazardous waste 50 slowly receding floodwaters 50 recontaminated 50 freshwater aquifer 50 effluent discharged 50 sewage effluent 50 tetrachloroethene 50 Raw sewage 50 toxic pollutant 50 Superfund site 50 untreated sewage 50 contaminated sediments 50 Haihe 50 effluents discharged 49 toxic substances 49 pollutes waterways 49 raw sewage 49 contamination 49 polluted sediment 49 Sulphur dioxide 49 Kishon River 49 waterborne parasites 49 Chaohu Lake 49 Fecal coliform 49 discharging raw sewage 49 noxious 49 Arsenic contamination 49 ecologically sensitive wetlands 49 toxins leaching 49 pollutes streams 49 Tittabawassee River floodplain 49 dirtiest 49 trichloroethene 49 degreasing solvent 49 manganese smelter 49 fishable swimmable 49 arsenic 49 pollutive 49 contaminate groundwater 48 Toxic chemicals 48 degraded wildlife habitat 48 tidal estuary 48 harmful contaminants 48 garbage incinerators 48 pesticide contamination 48 Treated wastewater 48 Garbage dumps 48 fecal coliform contamination 48 carcinogenic pollutants 48 dump untreated sewage 48 polychlorinated biphenyl PCB 48 trichlorethylene TCE 48 Diesel exhaust 48 wastewater effluent 48 sewage 48 Treated sewage 48 suspected carcinogen 48 attracting vermin 48 groundwater 48 naturally occurring radium 48 Chromium VI 48 arsenic contamination 48 toxified 48 Musi river 48 waterways 48 contaminate aquifers 48 toxic benzene 48 effluent discharges 48 Songhua river 48 dechlorinated 48 Lake Taihu 47 cesspits 47 contaminants 47 benzene arsenic 47 silted 47 TCE trichlorethylene 47 carcinogenic chemicals 47 polychlorinated biphenyls PCBs 47 dirtier 47 Pollutants 47 Algae bloom 47 atmospheric deposition 47 dumping untreated sewage 47 dammed rivers 47 potable tap 47 phosphorus pollution 47 befouling 47 superfund sites 47 discharging untreated waste 47 poisoned 47 unbreathable 47 leach toxins 47 saline intrusion 47 perfluorochemicals PFCs 47 Branchport Creek 47 Taihu lake 47 raw sewage spilling 47 polluted runoff 47 pollutes groundwater 47 Sewage overflows 47 benzene toluene xylene 47 contaminate 47 poisonous chemicals 47 toxins 47 Groundwater contamination 47 acrid smelling 47 wastewater discharges 47 Noyyal river 47 Haihe River 47 acidic 47 toxics 47 Stormwater runoff 47 beachwater 47 DuPont DeLisle plant 47 contaminant 46 radioactively contaminated 46 muck dredged 46 contaminated soils 46 Contaminated groundwater 46 carcinogenic dioxins 46 effluents 46 congested 46 Untreated wastewater 46 oxidizing salt 46 silt laden 46 sewage overflows 46 mercury dioxins 46 silt 46 contaminate drinking 46 discharging wastewater 46 arsenic mercury 46 PCB contaminated sediments 46 PCE TCE 46 dumping raw sewage 46 phosphogypsum stacks 46 leaching toxins 46 arsenic selenium 46 widespread diarrheal disease 46 Radioactive contamination 46 Freshwater mussels 46 overflowing drains 46 Septic tanks 46 chemically contaminated 46 poisonous 46 degraded 46 groundwater plume 46 Tudor Shaft 46 dioxin 46 Yangtze tributary 46 Techa River 46 smelly 46 Amur river 46 Miyun Reservoir 46 chlorine byproducts 46 carcinogenic PCBs 46 Xiangjiang River 46 chlorinated 46 swimmable 46 sediment dredged 46 sludge ponds 46 putrid smelling 46 Dieldrin 46 Brackish water 46 bays estuaries 46 chlorinated solvent 46 Huaihe 46 befouled 46 Polychlorinated biphenyls 46 toxic hydrogen sulfide 46 commerce Deibel 45 sludge 45 Nitrate contamination 45 fine particulate pollution 45 Carrowmore Lake 45 cyanide arsenic 45 Yangtze rivers 45 Blacksmith Institute 45 underground aquifers 45 persistent bio accumulative 45 overuses antibiotics 45 Sewage spills 45 Shitalakhya 45 nallahs 45 dioxin PCBs 45 environmentally damaging 45 neighboring Hebei Province 45 Superfund hazardous waste 45 Delaware Inland Bays 45 breakneck industrialization 45 Palos Verdes Shelf 45 nutrient pollution 45 Algae blooms 45 noxious pollutants 45 leaky septic tanks 45 acquifers 45 mercury chromium 45 freshwater lakes rivers 45 Yangtze basin 45 arsenic cyanide 45 effluent 45 Beijiang River 45 Ciliwung 45 mightiest rivers 45 radium naturally occurring 45 Bayou Verdine 45 shallow aquifers 45 Pigeon droppings 45 harmful chemicals 45 polluters 45 polychlorinated biphenyl 45 hazardous solvents 45 Floodwaters receded 45 DDT PCBs 45 overflowing septic tanks 45 ozone particulate matter 45 airborne particulates 45 dumps raw sewage 45 Whittaker Bermite 45 Kafue River 45 urbanized 45 seagull droppings 45 Shiranui Sea 45 Wang Jianjie 45 Trichloroethylene TCE 45 spewing toxic fumes 45 dissolved oxygen DO 45 floodprone 45 benzene carcinogen 45 perchlorate contamination 45 discharging sewage 45 PAHs polycyclic aromatic hydrocarbons 45 polycyclic aromatic hydrocarbon 45 toluene benzene 45 Toxic sludge 45 untreated wastewater 45 fecal coliform bacteria 45 carcinogenic fumes 45 particulate pollution 45 sulfur dioxide nitrogen dioxide 45 oily wastes 45 Water hyacinth 45 Agua Hedionda 45 contaminating groundwater 45 acid rain 45 mercury polluter 45 filth 45 TCE PCE 45 microcystins 45 Superfund cleanup sites 45 Yellow Huaihe 45 Lake Koroneia 45 malfunctioning septic 45 groundwater contamination 44 Asarco smelter 44 carbon dioxides 44 microscopic soot particles 44 Mosquitoes breed 44 de silted 44 Kafue river 44 Tailings ponds 44 Urbaszewski 44 discharging pollutants 44 harmful pollutants 44 airsheds 44 hazardous chemicals 44 nonpoint pollution 44 leather tanneries 44 contaminating waterways 44 unhealthy 44 stinking corpses 44 Dianchi 44 wastewater discharge 44 harmful toxins 44 mercury chromium cadmium 44 shallow aquifer 44 e coli bacteria 44 mercury potent neurotoxin 44 Contaminated 44 trichloroethane 44 Songhua 44 Polychlorinated Biphenyls 44 harmful vapors 44 trichlorethylene 44 unboiled water 44 toxic residues 44 mercury pollution 44 Ciliwung River 44 dredged sediment 44 enterococcus bacteria 44 uncontaminated 44 rivers 44 densely populated 44 Fecal bacteria 44 Korle Lagoon 44 gob piles 44 ecologically destructive 44 sulfurous gases 44 incinerator ash 44 carcinogen benzene 44 Huaihe river 44 Overflowing lakes 44 sulfur gases 44 waterbodies 44 hormone disrupters 44 amphibole asbestos 44 fecal bacteria 44 rotting vegetation 44 radioactive nuclei 44 toxic methyl mercury 44 toxaphene 44 raw sewage flowing 44 trihalomethanes THMs 44 banned pesticide DDT 44 overflowing sewers 44 oligotrophic 44 Hawkesbury Nepean River 44 toxic stew 44 groundwater aquifer 44 silt buildup 44 Wanaque Reservoir 44 assimilative capacity 44 Yarlung Zangbo 44 salinization 44 concentrated brine 44 smogs 44 clogging waterways 44 overpumped 44 radioactive 44 contaminants leach 44 Yingde 44 perchlorethylene 44 Ciliwung river 44 diesel particulates 44 TCE contamination 44 perfluorochemicals 44 waterbody 44 fertilized lawns 43 nitrate contamination 43 disused mines 43 tapwater 43 nutrient inputs 43 chimneys belching 43 dioxin contaminated 43 untreated raw sewage 43 Seveso Italy 43 Coronet Industries 43 Superfund cleanup 43 foul smelling 43 hygienic latrines 43 watertable 43 damming rivers 43 industrialized Ruhr 43 cyanide spillage 43 mosquito infested swamps 43 Arsenic occurs 43 Flooded basements 43 Dredged 43 desertified 43 Poyang 43 herbicide Atrazine 43 sewage spills 43 tetrachlorethylene PCE 43 lakes rivers 43 spokesman Ted Linnert 43 PCB contamination 43 Agrico Chemical Co. 43 Buddha Nallah 43 unfishable 43 tetrachlorethylene 43 faecal bacteria 43 aggravates respiratory 43 sullage 43 despoiled 43 Clean Streams Law 43 contaminated soil 43 wetland ecosystem 43 desalinized 43 discharging effluents 43 parasite cryptosporidium 43 deadliest Superfund 43 smog 43 toxic cleanups 43 contaminates drinking 43 emit pollutants 43 discharging untreated sewage 43 mercury contamination 43 pig feces 43 Cow dung 43 depleting groundwater 43 charcoal filters 43 E Coli bacteria 43 unpleasant smell 43 PCBs DDT 43 smog choked 43 Waiwhetu Stream 43 sooty particles 43 tailing ponds 43 toxic algal bloom 43 culm banks 43 Biscayne Aquifer 43 airborne toxins 43 harmful 43 discharging effluent 43 Qingcaosha Reservoir 43 putrid odors 43 Taihu 43 potent neurotoxin 43 Athabasca watershed 43 Chlordane 43 spilling raw sewage 43 smog haze 43 EPA Superfund cleanup 43 Clean Water Act 43 toxic hydrogen sulphide 43 sewage overflowed 43 Weihe River 43 rare Irrawaddy dolphins 43 phosphates nitrates 43 Asbestos fibers 43 Vast stretches 43 Neuse River basin 43 toxic sediments 43 polluted Buyat Bay 43 Particulate pollution 43 discharged untreated wastewater 43 unlined pits 43 Sewage sludge 43 E.Coli bacteria 43 dischargers 43 Mithi river 43 THMs 43 tainted 43 Charles Sturcken spokesman 43 Densely populated 43 rapidly urbanising 43 Hawkesbury Nepean 43 carbon monoxide hydrocarbons 43 Noyyal 43 Dongting 43 sootiest 43 produce briny wastewater 43 trichloroethene TCE 42 Lancang rivers 42 carbon monoxide sulfur dioxide 42 groundwater contaminants 42 TCE plume 42 total dissolved solids 42 turbidity cloudiness 42 TCE vapors 42 depleting aquifers 42 arsenic benzene 42 degreasing agent 42 Feitsui Reservoir 42 sulfuric 42 Shanghang 42 groundwater aquifers 42 Bunker Hill Superfund 42 Judith Enck EPA 42 inland bays 42 nutrient loadings 42 polyaromatic hydrocarbons 42 decaying algae 42 potent greenhouse gas 42 Hammonasset River 42 poisonous fumes 42 hazardous waste dump 42 indiscriminate dumping 42 remediating contaminated 42 turbid reservoir 42 pollute groundwater 42 fecal coliforms 42 bacteriological contamination 42 toxic algae blooms 42 benzene nitrobenzene 42 Hongze Lake 42 heavily silted 42 sediment 42 intermittent streams 42 E coli bacteria 42 dirtied 42 Alliston aquifer 42 contamination Nishiyama 42 unpermitted discharge 42 Total Dissolved Solids 42 Qinhuai River 42 solvent vapors 42 polluted Superfund 42 Fecal coliform bacteria 42 Colva Candolim 42 Microcystis 42 discharging polluted 42 mercury emitted 42 Buyat Bay 42 chlorinated hydrocarbon 42 Methyl mercury 42 Norlite 42 toxic sludge 42 Algal bloom 42 Buyat 42 ammonia nitrogen 42 Mula Mutha 42 tremolite asbestos 42 Cooum river 42 pollutant discharges 42 environmentally unfriendly 42 contaminated sediment 42 soot smog 42 hazardous waste 42 unsewered 42 Cooum 42 toxic pesticides 42 acid sulphate 42 Nhue River 42 soot pollution 42 Chuitna River 42 Soil erosion 42 Chuck Corell 42 mercury arsenic 42 habitated 42 Radioactive tritium 42 spokeswoman Phillippa Cannon 42 chlorinated solvents 42 hazardous 42 potent neurotoxins 42 nitrogen discharges 42 Paulusson 42 Rawal Dam 42 toxic methylmercury 42 chemical perchlorate 42 Environmental Protection Agency 42 Seeping 42 Sanlu powdered milk 42 brackish groundwater 42 sediment runoff 42 Citarum River 42 diarrheal illnesses 42 stagnant pools 42 biodiverse regions 42 nitrate nitrogen 42 inorganic mercury 42 unreclaimed 42 DDT dieldrin 42 corrosive acid 42 toxic vapors 42 triclocarban 42 superfund cleanup 42 Wangkuai Reservoir 42 cadmium arsenic 42 epicenter overflowed 42 Pan Yue vice 42 disinfection byproducts DBPs 42 irrigate farmland 42 industrial solvent trichlorethylene 42 freshwater lakes 42 waterborne illnesses 42 nitrates phosphates 42 open defecation 42 benzene contamination 42 fragile marshes 42 bioaccumulative 42 undammed 42 Coode Island 42 chlordane 42 esteros 42 treated sewage effluent 42 emits sulfur 42 hydrologically connected 42 oily bilge water 42 acid sulphate soil 42 airborne pollutants 42 Yongding River 42 salination 42 tar ponds 42 Dioxin 42 Amur River 42 dioxin TCDD 42 effluence 42 sulfur fumes 42 underground inundates 42 Eloor 42 garbage dumps 42 smog forming pollution 42 spewed benzene 42 brownish haze 42 cleanest safest 42 Sungai Klang 42 redeveloping brownfields 42 Houston Galveston Brazoria 42 toxic byproducts 42 tritium contaminated 42 Upper Vaitarna 42 oily sludge 42 creeks rivers 42 sodium hydrochloride 42 decaying vegetation 42 diesel exhaust 41 particle soot 41 litter blackspots 41 powerful neurotoxin 41 combustion byproducts 41 dechlorination 41 despoils 41 hazardous vapors 41 indiscriminate littering 41 noxious fumes 41 raw sewage overflows 41 methyl tert butyl ether 41 Wreck Pond 41 smoggy skies 41 particle pollution 41 toxic nitrobenzene 41 aquifers 41 leaky sewers 41 Lake Mainit 41 contaminents 41 Sungari 41 estuary 41 nutrient loading 41 coli bacteria 41 plausible explanation CAS 41 drinkable water 41 Densu River 41 metal degreasing 41 polynuclear aromatic hydrocarbons 41 overpopulated 41 Siltation 41 sewage outfall 41 plants STPs 41 smog forming gases 41 biodiverse 41 groundwaters 41 floodwater recedes 41 iodine deficient 41 limestone fissures sinkholes 41 sewage treatment 41 smoggiest cities 41 dioxins 41 Scajaquada Creek 41 environmentally unsound 41 Breathing ozone 41 chlorine fumes 41 toxic algal blooms 41 hydrocarbon vapors 41 Lechang 41 smokestacks belching 41 arsenic concentrations 41 goose droppings 41 cesspool 41 tributary rivers 41 pristine shorelines 41 outfalls 41 effluent discharge 41 ozone smog 41 Kali Bein 41 sewer outfalls 41 sulfolane 41 erosion sedimentation 41 ecologically unsound 41 unhealthful 41 Powai lake 41 malodorous 41 Songhuajiang River 41 #,# dichloroethane 41 Fujiang River 41 brackish 41 sulfurated hydrogen 41 acrid aroma 41 furans 41 Bellandur Lake 41 carbon tetrachloride 41 hazardous substances 41 discharge untreated wastewater 41 Mahim creek 41 Charbert 41 algal toxin 41 Shanghang county 41 dammed 41 drinkable 41 beachwater samples 41 red sludge 41 canalisation 41 Wissahickon Creek 41 hexavalent chromium 41 salinisation 41 PM#s 41 Lake Balkhash 41 potability 41 discharge untreated sewage 41 water 41 mine tailings 41 coal ash impoundments 41 Contaminated soil 41 stormwater pollution 41 Escambia Treating 41 sedimented 41 watersheds 41 chloramine 41 Hydrochloric acid 41 nitrous oxide emission 41 noxious smell 41 Upper Floridan Aquifer 41 monoxide 41 spokeswoman Betsy Mallison 41 stinky 41 noxious chemicals 41 Porong River 41 Superfund designation 41 oxidizing substance 41 cleanest 41 industrial degreaser 41 Radioactive material 41 Khadakvasla dam 41 lakeshores 41 freshwater streams 41 Superfund Site 41 particulates 41 rotting seaweed 41 zinc smelting plant 41 trihalomethane 41 noxious smells 41 spew pollutants 41 riverbank erosion 41 absorbs carbon dioxide 41 Huai river 41 TCE 41 river Yamuna 41 overexploited 41 tankered 41 Feitsui 41 groundwater contaminant 41 Ugum 41 raw sewage flowed 41 Keith Takata 41 phosphorus nutrient 41 faecal coliform 41 faecal contamination 41 toxic tailing ponds 41 fracking wastewater 41 sulfur gasses 41 pollutants emitted 41 uncollected garbage 41 kiln dust 41 underground aquifer 41 noxious smog 41 wastewater 41 Sungai Sungai 41 Nitrogen Dioxide 41 culverted 41 sulfur dioxide pollution 41 E. Coli bacteria 41 Songhua River disrupting 41 freshwater swamps 41 Kızılırmak 41 soiled 41 desalinating seawater 41 depleted aquifers 41 numeric nutrient criteria 41 Zijinshan Copper Mine 41 benzene 41 healthiest seafoods around 41 foul smelling sludge 41 Schkolnick 41 Lynnview Ridge 41 Fenholloway River 41 algal toxins 41 carcinogenic 41 Excess nutrients 41 Brick kilns 41 deplete aquifers 41 garbage dump 41 airborne soot 41 freshwater habitats 41 Discolored water 41 leaky septic 41 Toxic fumes 41 smelly fumes 41 degreasing solvents 41 tributyl tin 41 radioactive depleted uranium 41 PCBs polychlorinated biphenyls 41 naturally occurring fluoride 40 Fecal matter 40 foul smelling odor 40 MTBE contamination 40 exhaust fumes 40 Alviso Slough 40 sooty 40 unfertile 40 manure slurry 40 seacoasts 40 Baiyangdian 40 nitrogen oxides carbon monoxide 40 chlorine 40 Guanting Reservoir 40 forest denudation 40 artificially fluoridated 40 nauseating stench 40 barium chromium 40 hex chrome 40 noxious gasses 40 dieldrin 40 purify 40 Hunters Point Naval Shipyard 40 faecal pollution 40 radioactive radium 40 leached 40 Tsengwen Reservoir 40 solvents pesticides 40 raw sewage seeping 40 Sungai Selangor 40 South Fork Tenmile 40 enterococci bacteria 40 litter strewn 40 pollutant discharge 40 diesel fumes 40 heptachlor 40 rubbish dumps 40 Newater 40 Hydrogen sulfide 40 Neijiang 40 DBPs 40 headwater streams 40 Joan Mulhern 40 Sewage spill 40 putrefy 40 wellwater 40 National Priorities List 40 harbors sewage overflows 40 heptyl 40 Trichloroethylene 40 Wayne Nastri 40 Contaminants 40 dioxins PCBs 40 vinyl chloride 40 Mithi River 40 biofiltration 40 Polluters 40 fracking chemicals 40 PPCPs 40 discharge effluent 40 Caloosahatchee estuary 40 gaseous chlorine 40 bird excrement 40 porpoise vaults 40 flame retardants PBDEs 40 cryptosporidium parasite 40 flouride 40 salty dissolved solids 40 methyl mercury 40 gull droppings 40 WR Grace vermiculite 40 Scofieldtown Park 40 chemical ammonium perfluorooctanoate 40 TTHMs 40 Methylmercury 40 befoul 40 crystalline silica dust 40 disinfection byproducts 40 aquaculture ponds 40 Vast swathes 40 treated effluent 40 unlined landfills 40 Zijinshan mine 40 riversides 40 Taj Trapezium Zone 40 estuarial 40 Melamine tainted formula 40 Gangetic dolphins 40 Reverse osmosis 40 Tuojiang River 40 wastewater overflows 40 Yangtze Yellow 40 diethylene glycol imported 40 Poo Gloos 40 Hexavalent chromium 40 Yeongsan 40 precious coastal marshes 40 Mehedinti county 40 smokestacks 40 wetlands 40 Ganges Indus 40 arsenicosis 40 radiological contaminants 40 riverine ecosystems 40 blackwater 40 phosphorus 40 Sudbury Aqueduct 40 Microscopic particles 40 garbage heaps 40 Ukai Dam 40 organochlorines 40 mudflat 40 Clogged drains 40 harmful byproducts 40 campsite uninhabitable 40 toxic fumes 40 Ecuador Amazon rainforest 40 Pat Farnelli 40 fumes emanating 40 scar tissue degenerative cysts 40 Jiyuan 40 heavily touristed 40 obnoxious odors 40 diked 40 soot 40 mercury 40 pollute waterways 40 Particle pollution 40 indoor radon 40 toxic pesticide endosulfan 40 harmful particulates 40 groundwater depletion 40 Nitrogen oxides 40 fertile topsoil 40 chloride concentrations 40 Chef Menteur landfill 40 Coliform bacteria 40 dichloroethylene 40 microcystis 40 Guanting 40 PM# particles 40 smoggier 40 chemical perchlorethylene 40 Nitrogen Oxide 40 Dioxane 40 Sejal Choksi