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(Click for frequent words.) 66 polluted 66 polluted waterway 61 polluted rivers 58 waterways 57 sewage overflows 57 polluted runoff 57 heavily polluted 56 Superfund sites 55 raw sewage discharges 54 polluted sediment 54 polluting waterways 53 Delaware Inland Bays 53 phosphorus pollution 53 nonpoint pollution 53 Polluted 53 polluted stormwater 53 dangerously polluted 52 leaking septic tanks 52 superfund sites 52 sewage discharges 51 eutrophic 51 pollution 51 uncontrolled hazardous waste 51 Polluted runoff 51 watersheds 50 smoggiest 50 silt buildup 50 arsenic contaminated 50 nutrient pollution 50 Sewage overflows 50 dump raw sewage 50 stormwater pollution 50 dischargers 50 Water hyacinth 50 wastewater overflows 49 polluted stormwater runoff 49 Superfund hazardous waste 49 sewage spills 49 Freshwater mussels 49 ecologically sensitive wetlands 49 banned pesticide DDT 49 Palos Verdes Shelf 49 northern snakehead fish 49 Thi Vai River 49 Soil erosion 49 toxic algal blooms 49 garbage incinerators 49 polluting 49 seagull droppings 49 Superfund cleanup sites 49 contaminated sediments 49 Stormwater runoff 49 pollutants 49 Superfund cleanup 49 toxic cleanups 49 mussel species 48 Algae bloom 48 pollutes streams 48 pollutant discharges 48 Impaired Waters 48 riverine ecosystems 48 sewer overflows 48 pollutant 48 polluter 48 mercury polluter 48 Septic tanks 48 toxic waste 48 Algae blooms 48 phosphorus nutrient 48 polluting groundwater 48 nitrate contamination 48 Sewage spills 48 salinated 48 toxic polychlorinated biphenyls 47 waterborne parasites 47 toxic chemicals 47 Giant salvinia 47 nonpoint source pollution 47 tidal estuary 47 Floodwaters receded 47 toxic pollutants 47 beachwater 47 toxic algae blooms 47 wastewater discharge 47 Albemarle Pamlico 47 aquatic hitchhikers 47 toxic sediments 47 wastewater discharges 47 freshwater lakes 47 Athabasca watershed 47 riverbank erosion 47 Clean Water Act 47 phosphogypsum stacks 47 wetland ecosystems 47 Waiwhetu Stream 47 polluted groundwater 47 inland bays 47 mussel populations 47 freshwater habitats 47 nutrient loadings 47 polluters 47 coastal bays 47 untreated sewage 47 Hazardous Sites 47 riverways 47 sewage treatment 47 dredged sediment 47 coastal estuaries 46 PCBs dioxins 46 tar ponds 46 Chuitna River 46 rivers lakes 46 dumping untreated sewage 46 nonnative invasive 46 deadliest Superfund 46 airsheds 46 dump untreated sewage 46 sediment runoff 46 sanitary sewer overflows 46 fecal coliform contamination 46 Plainwell Dam 46 naturally occurring arsenic 46 Superfund site 46 overflowing sewers 46 headwater chub 46 leaky septic tanks 46 biologically diverse 46 Butler garter snake 46 nitrogen discharges 46 effluent discharged 46 freshwater mussels 46 ecologically destructive 46 delicate marshlands 46 PCB contaminated sediments 46 Excess nutrients 46 aquatic invaders 46 Superfund designation 46 Hine emerald dragonfly 46 potable tap 46 contaminated sediment 46 Bayou Verdine 46 Tailings ponds 46 contaminated 46 Shiranui Sea 46 Little Assawoman Bay 46 Superfund Sites 46 tui chubs 45 incinerator ash 45 nutrient inputs 45 nutrient runoff 45 Branchport Creek 45 effluent discharges 45 toxaphene 45 raw sewage spilling 45 Peconic Estuary 45 toxins leaching 45 Zebra Mussels 45 intermittent streams 45 sewage 45 wastewater effluent 45 estuarine ecosystems 45 stormwater outfalls 45 stormwater discharges 45 leaky septic 45 muck dredged 45 freshwater ecosystems 45 Hydroelectric dams 45 degraded wildlife habitat 45 hazardous waste dump 45 aquatic invasives 45 rivers 45 wetlands 45 Yangtze rivers 45 clogging waterways 45 nutrient loading 45 notoriously polluted 45 Invasive species 45 freshwater mollusks 45 Agua Hedionda 45 aquatic grasses 45 smoggiest cities 45 Superfund toxic 45 Caloosahatchee rivers 45 headwater stream 45 waterbodies 45 riparian ecosystems 45 salinisation 45 unlined landfill 45 erosion sedimentation 44 hazardous waste 44 contaminated soils 44 headwater streams 44 watershed 44 Wreck Pond 44 beachwater pollution 44 raw sewage 44 beachwater samples 44 sewer outfalls 44 contaminate groundwater 44 pollutes waterways 44 unreclaimed 44 hog lagoons 44 untreated wastewater 44 saltwater estuaries 44 perfluorochemicals PFCs 44 Crofton pond 44 oilsands tailings ponds 44 herbicide Atrazine 44 Atlantic Coastal Bays 44 unlined landfills 44 raw sewage overflows 44 Brownfields grants 44 untreated effluent 44 sulfur dioxide pollution 44 stormwater runoff 44 Hewletts Creek 44 toxic tailings ponds 44 floodprone 44 gob piles 44 Combined sewer overflows 44 widespread diarrheal disease 44 Cigarette butts 44 overuses antibiotics 44 National Priorities List 44 Driftwood Branch 44 lakeshores 44 coal ash impoundments 44 toxic pollutant 44 pollute rivers 44 Conneaut Creek 44 sewage effluent 44 trout streams 44 suspected carcinogen 44 tributary streams 44 dioxin contaminated 44 nonnative mussels 44 overfishing pollution 44 Knotweed 44 perfluorochemicals 44 toxic effluents 44 forested watersheds 44 estuarine habitats 44 clogged culverts 44 stormwater pipes 44 Dianchi Lake 44 wastewater treatment 44 Superfund 44 Taihu Lake 44 chemically contaminated 44 Overfishing pollution 44 wastewater 43 riparian zones 43 dammed rivers 43 tributaries 43 wastewater lagoons 43 polluted Superfund 43 Clam Bayou 43 de forestation 43 outfalls 43 pollutant discharge 43 esteros 43 invasive species 43 Yeongsan 43 pollutes 43 estuary 43 Invasive mussels 43 dam removals 43 persistent bio accumulative 43 fertilized lawns 43 toxic wastes 43 mercury PCBs 43 invasive zebra mussels 43 discharging contaminates 43 toxic pesticides 43 Siltation 43 peat swamps 43 removing contaminated sediments 43 Ciliwung River 43 saltwater marshes 43 combined sewer overflows 43 Beach Bummers 43 unsewered 43 listeria salmonella 43 Arsenic contamination 43 salmon spawning grounds 43 discharging untreated 43 dysentery outbreaks 43 contaminants 43 Liaohe River 43 vegetated buffers 43 invasive weed 43 biodiverse 43 Contaminated groundwater 43 Klamath salmon 43 nonpoint 43 estuaries 43 Rebecca Wodder president 43 tidal wetlands 43 bays estuaries 43 tidal tributaries 43 aquatic weeds 43 toxic substances 43 effluent discharge 43 DDT PCBs 43 stormwater basins 43 acid sulphate soils 43 Klamath chinook 43 Toxic Release Inventory 43 goose poop 43 depleting aquifers 43 coaster brook trout 43 fragile marshes 43 Clean Streams Law 43 smallmouth bass fishery 43 tidal salt marsh 43 overflowing landfills 43 Salvinia molesta 43 Rotorua lakes 43 Han Nakdong Geum 43 Raw sewage 43 rampant overdevelopment 43 fishable waters 43 phosphorus runoff 43 PPCPs 43 derelict crab pots 43 Untreated sewage 43 delicate ecosystems 43 St. Lucie Estuary 43 Invasive plants 43 Tributary Strategy 43 acid sulphate soil 43 lampreys spawn 43 waterway 43 toxic 43 polychlorinated biphenyls PCBs 43 Sewage spill 43 slowly receding floodwaters 43 Feral swine 43 destructive pests 43 gypsum byproduct 43 litter blackspots 43 ozone nonattainment 43 discharging untreated waste 43 nutrient discharges 43 Bighead carp 43 nonpoint sources 43 rampant deforestation 43 stormwater discharge 42 PCB contamination 42 sludge ponds 42 EPA Superfund 42 nonpoint source 42 shortnose sturgeon 42 groundwater contaminant 42 breakneck industrialization 42 Pollution 42 cyanide spills 42 leaching toxins 42 tailing ponds 42 mightiest rivers 42 shellfish beds 42 turtle nesting sites 42 Fecal coliform 42 air pollution 42 mercury pollution 42 toxic dioxins 42 freshwater aquifer 42 pristine coral reefs 42 zebra mussel infestation 42 coldwater streams 42 aquaculture ponds 42 manmade reservoirs 42 Sewage sludge 42 Agent Orange hotspots 42 finfish aquaculture 42 Pesticide spraying 42 waterborne illnesses 42 radioactively contaminated 42 raw untreated sewage 42 hazardous waste landfills 42 limestone sinkholes 42 hazardous waste disposal 42 Neuse River basin 42 pesticides flame retardants 42 toxins 42 industrial effluents 42 Groundwater contamination 42 wetland ecosystem 42 abandoned hardrock mines 42 triclocarban 42 salt cedars 42 Rapidan rivers 42 toxic residues 42 unexploded cluster munitions 42 illegal dumpsites 42 biodiverse ecosystems 42 Wheelabrator incinerator 42 pollutions 42 silted rivers 42 sewage overflow 42 Bottom trawling 42 trout stream 42 aquatic nuisances 42 cesspits 42 creeks rivers 42 Chollas Creek 42 smoggiest regions 42 nitrates phosphates 42 remnant vegetation 42 freshwater streams 42 freshwaters 42 cesspools 42 dump dredge spoils 42 Response Compensation 42 environmentally destructive 42 tributary 42 elodea 42 Algal blooms 42 biodiversity hotspot 42 cleanups 42 irrigate farmland 42 menhaden fishery 42 forest denudation 42 contaminates drinking 42 eyesores 42 nonnative fish 42 overgrazing deforestation 42 rivers estuaries 42 herring trawlers 42 fishable swimmable 42 harmful pollutants 42 Roadless areas 42 dumping raw sewage 42 Upper Neuse Riverkeeper 42 riverfronts 42 Puget Sound chinook 42 discharging untreated sewage 42 contaminating groundwater 42 recontaminated 42 Cleanups 42 Hammonasset River 42 Superfund cleanups 42 Huaihe 42 microcystins 42 wetland restoration 42 toxic algae 42 Lancang rivers 42 spilling raw sewage 42 valley fills 42 salt marsh restoration 42 Treated wastewater 42 blue crab traps 41 stagnant pools 41 Santa Ana sucker 41 filter feeders 41 swimmable 41 sediment dredged 41 Overwatering 41 dumpsites 41 Wissahickon Creek 41 septic systems 41 solvents pesticides 41 malfunctioning septic 41 floating pennywort 41 Moapa dace 41 Toxic algae 41 polluting factories 41 contaminating waterways 41 Saltcedar 41 slimy algae 41 plantlike bacteria 41 redeveloping brownfields 41 Augean Stables 41 Mosquitoes breed 41 spartina 41 Stormwater drains 41 stream buffers 41 ecologically sensitive areas 41 fragile marine ecosystems 41 phosphorus discharges 41 biofiltration 41 brackish waters 41 Remedial Action Plan 41 backwater lakes 41 shipbreaking 41 garbage incinerator 41 algal toxin 41 tributary creeks 41 brownfield redevelopments 41 Judith Enck EPA 41 Oceangoing ships 41 pristine shorelines 41 bog turtle habitat 41 overappropriated 41 kiln dust 41 salt marsh mosquitoes 41 turbid water 41 Kawkawlin River 41 carcinogenic PCBs 41 harmful algae blooms 41 estuarine habitat 41 aquatic invertebrates 41 undeveloped shoreline 41 Gizzard shad 41 Rio Grande silvery minnow 41 river basin 41 sediment ponds 41 oiled shoreline 41 attracting vermin 41 dredgings 41 damming rivers 41 scar tissue degenerative cysts 41 Matilija Dam 41 livestock manure 41 Yangtze basin 41 riverkeepers 41 storm drains 41 Lockwood Folly River 41 saline intrusion 41 Tar Ponds 41 wetland 41 polluted irrigation ditches 41 bathing beaches 41 stinky mess 41 stormwater 41 Taihu lake 41 TMDLs 41 pollute waterways 41 culm banks 41 mercury potent neurotoxin 41 plausible explanation CAS 41 heavily silted 41 derelict fishing trawlers 41 pesticide contamination 41 Dianchi 41 sewage lagoons 41 creosote pilings 41 hazardous chemicals 41 toxic tailing ponds 41 streamside habitat 41 Wanaque Reservoir 41 undammed river 41 endangered mussels 41 toxics 41 Snake River sockeye 41 hazardous wastes 41 Lake Koroneia 41 industrial wastewaters 41 streambank erosion 41 Banklick Creek 41 Ossipee Pine Barrens 41 contaminated groundwater 41 Agrico Chemical Co. 41 biggest polluter 41 dredged silt 41 open defecation 41 Fenholloway River 41 spewed benzene 41 freshwater 41 oceans coasts 41 Illegal dumping 41 exotic pests 41 prairie pothole 41 rodent pests 41 Lake Champlain basin 41 invasive alga 41 pollute 41 Sejal Choksi 41 judicial hellholes 41 bird excrement 41 Waterborne diseases 41 aquatic habitat 41 Shenandoah Riverkeeper 41 particle pollution 41 migratory bird habitat 41 discharging pollutants 41 riparian habitats 41 sedimentation ponds 41 Breathing ozone 41 Snake River salmon 41 northern leopard frogs 41 discharged untreated wastewater 41 lakes 41 Pigeon droppings 41 toxify 41 hog farms 41 Landfills 41 aquatic weed 41 Yellowstone cutthroat 41 saltmarshes 41 recreational shellfish harvesting 41 waterfowl habitats 41 eroding shorelines 41 indiscriminate dumping 41 hormone disrupters 41 waterborne microorganisms 41 CO2 emitter 41 pelicans turtles 40 Overgrown grass 40 embayments 40 fertile topsoil 40 enterococcus bacteria 40 Alviso Slough 40 feral pests 40 curly leaf pondweed 40 Flooded basements 40 pesticides herbicides fungicides 40 unpermitted discharge 40 Lake Gerar 40 threatened Delta smelt 40 cormorant population 40 Feral pigs 40 carcinogenic pollutants 40 Saugatuck Reservoir 40 Contaminated soil 40 Tacoma Commencement 40 Brackish water 40 Fecal coliform bacteria 40 contaminate drinking 40 overflowing sewage 40 sanitary sewer overflow 40 manure spills 40 streamside forests 40 Paulusson 40 Clean Water Acts 40 desertified 40 degraded ecosystems 40 phosphorous discharges 40 Ganges Indus 40 stormwater infiltration 40 sewer overflow 40 Topeka shiner 40 Fecal bacteria 40 pipeline ruptures 40 MWRA rerouted 40 Beijiang River 40 Antibiotic resistant bacteria 40 undammed rivers 40 Haihe River 40 contaminate aquifers 40 raw sewage spills 40 sea lampreys 40 ocean outfalls 40 unfettered nepotism 40 parasite Cryptosporidium 40 Shoal Lakes 40 aquatic habitats 40 wild salmon fishery 40 noxious weed 40 toxic benzene 40 streambanks 40 sludge digestion 40 Hawkesbury Nepean River 40 wetlands floodplains 40 produce briny wastewater 40 aquatic ecosystems 40 brook trout habitat 40 Industri Plex 40 Youghiogheny rivers 40 unfragmented forest 40 dredging 40 goose droppings 40 Ozark Aquifer 40 lawn fertilizers 40 Polychlorinated biphenyls 40 dumps raw sewage 40 wetland vegetation 40 dams 40 invasive quagga mussel 40 hazardous solvents 40 epicenter overflowed 40 Ocklawaha River 40 biodiverse regions 40 Ciliwung river 40 tailing pond 40 aquatic ecosystem 40 soot pollution 40 disinfection byproducts 40 insecticide DDT 40 densely populated 40 mercury arsenic 40 Stormwater 40 floods inundate 40 pollution abatement 40 Pollutants 40 variable milfoil 40 dirtiest 40 cancer causer 40 Great Lakes basin 40 stormwater ponds 40 Lake Okaro 40 shorelines 40 waterbody 40 disused mines 40 cleanup 40 clogging landfills 40 wild sockeye salmon 40 contaminant 40 radiological contaminants 40 Flood waters recede 40 polychlorinated biphenyl 40 dikes dams 40 toxic algal bloom 40 tamarisks 40 Aberjona River 40 Brownfields redevelopment 40 migratory bird populations 40 river deltas 40 New Zealand mudsnail 40 densly populated 40 Methylmercury 40 stinking rotting 40 Polychlorinated Biphenyls 40 creeks 40 microcystis 40 Asarco smelter 40 salamander habitat 40 polluting industries 40 Garbage dumps 40 Grass carp 40 Arundo donax 40 Granta Nakayama assistant 40 raw sewage flowing 40 polychlorinated biphenyl PCB 40 Lake Mainit 40 Dredged 40 chlorinated solvent 40 tidal wetland 40 watertable 40 Luca Centurioni researcher 40 blackwater streams 40 Fastest Dying 40 Poo Gloos 40 mudsnail 40 topsoil erosion 40 Randle Reef 40 drain inlets 40 Biscayne Aquifer 40 discharging raw sewage 40 SMCRA 40 dissolved solids 40 chlorine disinfectant 40 PCBs DDT 40 Sewer overflows 40 intersex fish 40 soot smog 40 sprayfield 40 effluent 40 algal species 40 wildlife habitat 40 numeric nutrient criteria 40 contaminated soil 40 wetlands flood plains 40 chemical ammonium perfluorooctanoate 40 Biosolids 40 Huaihe river 40 silt laden 40 miconia 40 contaminates 40 FUDS 40 Suisun Marsh 40 sprayfields 40 shellfish harvesting 40 tetrachloroethene 40 foresting 40 Sauquoit Creek 40 ozone particulate matter 40 tributary rivers 40 nallahs 40 untreated raw sewage 40 Burdekin Falls 40 Oceangoing vessels 40 arsenic selenium 40 harmful contaminants 40 Joan Mulhern 40 undammed 40 noxious 40 Medomak River 40 PacifiCorp dams 40 Prolonged droughts 40 revegetating 40 Environmental Protection Agency 40 gillnet fisheries 40 landfill leachate 40 Goose droppings 40 cormorant populations 40 navigable rivers 40 Armingeon 40 Summitville Mine 40 parasite cryptosporidium 40 invertebrate populations 40 Superfund Site 40 nontidal wetlands 40 invasive milfoil 40 noxious weeds 40 wetland habitat 40 Snake River aquifer 40 DDT pesticide 40 drainage ditches 39 forested buffers 39 hydropower dam 39 borne pathogens 39 Citarum River 39 included hog manure 39 shoreline buffers 39 microscopic soot 39 arsenic cyanide 39 watermilfoil 39 discharging sewage 39 noxious algae blooms 39 dredged sediments 39 Hudson Raritan Estuary 39 mosquito breeding habitats 39 healthiest seafoods around 39 volcano spews lava 39 FUDS program 39 Act CERCLA 39 Beaverdam Creek 39 pathogenic micro organisms 39 Cogon grass 39 dioxin PCBs 39 invasive weeds 39 Weihe River 39 Zebra mussels 39 fecal bacteria 39 diffuse knapweed 39 bottomland hardwood forest 39 Endangered Species Acts 39 carcinogenic chemicals 39 cleanest safest 39 fecal material 39 termite infestations 39 biologically diverse regions 39 Skippack Creek 39 cyanobacteria blooms 39 Mattawoman Creek 39 sewage disposal 39 dredge spoils 39 overharvested 39 algae blooms 39 Chaohu Lake 39 sediment 39 Fenholloway 39 nonnative trout 39 groundwater contaminants 39 Milltown Reservoir 39 Edge Nasdaq CELS 39 endangered species 39 environmentally damaging 39 assimilative capacity 39 superfund 39 Zebra mussel 39 greenspaces 39 pristine woodlands 39 Lake Maumelle 39 unexploded mines 39 Ramsar sites 39 Embrey Dam 39 groundwater withdrawals 39 mountaintop removal mines 39 Macquarie Marshes 39 Charlestown Breachway 39 ecologically unsound 39 coastland 39 red cockaded woodpeckers 39 diarrheal illnesses 39 algal bloom 39 tidal marshes 39 stormwater overflows 39 judicial hellhole 39 migratory seabirds 39 driest inhabited continent 39 desertified land 39 Methyl mercury 39 toxic hydrogen sulfide 39 invasive aquatic 39 groundwater aquifers 39 malaria tuberculosis AIDS 39 Japanese knotweed 39 headwaters 39 siltation 39 Leaky pipes 39 freshwater wetlands 39 subterranean termites 39 phosphorus 39 fishkill 39 melting snowbanks 39 naturally occurring radium 39 creekbeds 39 mirex 39 Norlite 39 rare Irrawaddy dolphins 39 brown trout fishery 39 hatchery trout 39 uranium tailings 39 wastewater dischargers 39 freshwater lakes rivers 39 clog waterways 39 Whittaker Bermite 39 Eurasian Milfoil 39 fecal coliform bacteria 39 eelgrass beds 39 Prettyboy Reservoir 39 ozone attainment 39 PAHs polycyclic aromatic hydrocarbons 39 fracking chemicals 39 Missisquoi Bay 39 Basking sharks 39 blackwater 39 Tukituki River 39 household hazardous wastes 39 Sudbury Aqueduct 39 rotting stinking 39 acid rain 39 zebra mussels 39 Xe Bang Fai 39 floodplains wetlands 39 Giant Salvinia 39 endangered coho salmon 39 Judicial Hellhole 39 shellfish harvests 39 worm infestations 39 Scajaquada Creek 39 ecologically sensitive 39 seagrass meadows 39 agriculturally productive 39 pink hibiscus mealybug 39 Fourche Creek 39 rusty crayfish 39 harmful byproducts 39 endangered chinook salmon 39 Algal bloom 39 Lockwoods Folly 39 tetrachlorethylene PCE 39 endocrine disrupting chemicals EDCs 39 defoliators 39 Coral reef ecosystems 39 Floods swamp 39 Gypsy moth caterpillars 39 rapidly urbanising 39 coal ash 39 silted 39 brownfields 39 Blacksmith Institute 39 gamba grass 39 tidal estuaries 39 mussel beds 39 Septic tank 39 cyanide spillage 39 undrinkable 39 coli bacteria 39 Lower Esopus 39 Sandbars 39 discharge untreated wastewater 39 Dongting 39 harbors sewage overflows 39 greenbelts 39 decaying vegetation 39 RAMSAR 39 Microcystis 39 ecological disasters 39 Cleanup 39 Everglades ecosystem 39 phosphorous 39 Kickemuit River 39 Tubli Bay 39 invasive insect 39 unrecyclable 39 Gila chub 39 Haihe 39 faulty septic 39 pike minnow 39 tampon applicators 39 capacity cesspools 39 chlorine byproducts 39 Obleski 39 South Fork Tenmile 39 hardrock mine 39 toxic methylmercury 39 mussel infestation 39 giant hogweed 39 oxidation ponds 39 diethylene glycol imported 39 invasives 39 TMDL 39 Methyl bromide 39 Candaba Swamp 39 Mesopotamian Marshlands 39 navigable waterways 39 megafarms 39 Croton watershed 39 liveable cities 39 mosquito infestation 39 freshwater swamps 39 Coastal Bays 39 E coli bacteria 39 skimmers booms 39 tern nesting 39 superfund cleanup