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(Click for frequent words.) 66 Water hyacinth 64 leach toxins 62 acid sulphate 62 leaching toxins 62 acid sulphate soil 60 arsenic contaminated 60 weed infestation 60 contaminating groundwater 59 polluting groundwater 59 leaky septic tanks 59 contaminants leach 59 fecal coliform contamination 59 phosphogypsum stacks 59 Alliston Aquifer 59 unlined landfill 59 salt cedars 58 attracting vermin 58 charcoal filters 58 remediating contaminated 58 muck dredged 58 leaking septic tanks 58 fungus spores 58 Soil erosion 58 acid sulfate 58 gravel quarries 58 invasive zebra mussels 58 nitrates phosphates 57 acid sulphate soils 57 fertilized lawns 57 freshwater aquifer 57 Groundwater contamination 57 contaminents 57 filter impurities 57 polluted groundwater 57 contaminate groundwater 57 polluting waterways 57 freshwater springs 57 Palos Verdes Shelf 57 DDT PCBs 57 TCE trichlorethylene 57 toxic effluents 57 contaminate aquifers 57 salinisation 57 dredgings 57 disused mines 57 wetland soils 56 iron sulphate 56 decaying algae 56 cyanobacteria blooms 56 aquatic hitchhikers 56 sedimentation basins 56 discharging untreated 56 groundwaters 56 Septic tanks 56 hazardous waste dump 56 hydromulch 56 polluted sediment 56 Brackish water 56 poisonous vapors 56 pollute rivers 56 clogging waterways 56 cypress tupelo 56 geese droppings 56 invasive quagga mussel 56 irrigate farmland 56 seagull droppings 56 Parleys Creek 56 toxic residues 56 toxic algal bloom 55 bridal creeper 55 Seeping 55 clogging drains 55 Radioactive contamination 55 bird excrement 55 silt laden 55 gob piles 55 solvent vapors 55 oily wastes 55 shallow aquifers 55 contaminating waterways 55 polluted stormwater runoff 55 rainwater catchments 55 Delaware Inland Bays 55 phosphates nitrates 55 forested watersheds 55 arsenic cyanide 55 overfertilizing 55 Perchlorate contamination 55 acrid smelling 55 drilling muds 55 Contaminated groundwater 55 decaying vegetation 55 salinated 55 nitrate contamination 55 northern leopard frogs 55 Wacissa 55 arundo 55 radioactive nuclei 55 bacterial decomposition 55 topsoil erosion 55 polluted waterway 55 wetland vegetation 55 termite infestations 55 Saltcedar 55 Polluted runoff 55 radioactively contaminated 55 uncompacted 55 leaky septic 55 Sewage sludge 55 filamentous algae 55 desalinisation 55 tui chubs 55 watertable 55 Nitrate contamination 55 wastewater lagoons 55 creeping urbanization 55 raw sewage spilling 55 pollutes waterways 54 fumes emanating 54 Arsenic contamination 54 kiln dust 54 groundwater seepage 54 oily mist 54 nonnative invasive 54 Porong River 54 Pigeon droppings 54 limestone grassland 54 erosion sedimentation 54 garbage incinerators 54 putrid odors 54 depleting aquifers 54 pesticide contamination 54 rotting seaweed 54 Agua Hedionda 54 Steep slopes 54 fertile topsoil 54 PAHs polycyclic aromatic hydrocarbons 54 Dredged 54 effluents discharged 54 raw sewage discharges 54 herbicide residues 54 planktons 54 Freshwater mussels 54 contaminates groundwater 54 algaes 54 invasive nonnative 54 Lahontan cutthroat 54 saline intrusion 54 contaminant plume 54 phosphorous fertilizers 54 creosote soaked 54 microcystins 54 chlorinated solvent 54 polyaromatic hydrocarbons 54 thermal vents 54 cenospheres 54 benzene arsenic 54 salinization 54 burrowing animals 54 Salvinia molesta 54 re vegetating 54 peat soils 54 saltmarshes 54 herbicide Atrazine 54 nitrogen leaching 54 eroding shorelines 54 desertified 54 toxic hydrogen sulfide 54 oily bilge water 54 nutrient loadings 54 disused quarries 54 Contaminated soil 54 brackish groundwater 54 Cheesman Reservoir 54 derelict crab pots 54 hardwood swamps 54 Tubli Bay 54 irrigating crops 54 Moapa dace 53 freshwater streams 53 Azolla 53 rabbit droppings 53 Treated wastewater 53 Untreated sewage 53 atmospheric deposition 53 tidal estuaries 53 hydrological cycles 53 incinerator ash 53 corrodes metal 53 buffel grass 53 mangrove plantations 53 groundwater aquifers 53 peaty soil 53 PCBs dioxins 53 pollutes groundwater 53 ponded 53 soils sediments 53 Hammonasset River 53 saline groundwater 53 mercury chromium 53 Sewage spills 53 silt buildup 53 Goose droppings 53 anaerobic decomposition 53 depleted aquifers 53 ant mounds 53 turbid water 53 waterborne parasites 53 Cladophora 53 hazardous vapors 53 marram 53 dredged sediment 53 contaminates drinking 53 New Zealand mudsnail 53 Furnace Pond 53 toxify 53 Zebra mussel 53 groundwater contaminants 53 perfluorochemicals PFCs 53 zebra mussel larvae 53 fracing fluids 53 freshwater lakes rivers 53 Toxic algae 53 unlined pits 53 poisonous weeds 53 decompose naturally 53 dieoff 53 Kensico Reservoir 53 salinity intrusion 53 Algal bloom 53 bacterial mats 53 dump raw sewage 53 Illegally dumped 53 Soil compaction 53 groundwater aquifer 53 Floridian aquifer 53 elodea 53 tamarisks 53 pesticides herbicides fungicides 53 biodiverse ecosystems 53 streambanks 53 toxic waste 53 reed bed 52 e.coli bacteria 52 karst limestone 52 Sewage overflows 52 Wassaw 52 tailings piles 52 raw untreated sewage 52 freshwater mussel 52 resevoir 52 headwater stream 52 tarlike 52 Giant Salvinia 52 goose feces 52 Caulerpa 52 Kafue River 52 mesquite bushes 52 noxious smell 52 karst geology 52 fertilize crops 52 ecologically fragile coastline 52 aquaculture ponds 52 freshwater mollusks 52 creekbeds 52 catchment basins 52 evaporation ponds 52 desalinating sea water 52 Carrowmore Lake 52 trihalomethanes THMs 52 ecologically sensitive wetlands 52 amphibole asbestos 52 clog waterways 52 Controlled burns 52 cyanide arsenic 52 shipworm 52 recharge groundwater 52 Radioactive waste 52 wetland ecosystem 52 Improperly disposed 52 reed canary grass 52 mosquito breeding habitats 52 acids solvents 52 streambank erosion 52 groundwater plume 52 woody weeds 52 lakeshores 52 algal mats 52 benzene contamination 52 Alliston aquifer 52 salination 52 emergent vegetation 52 inorganic contaminants 52 dredged silt 52 Squamish Estuary 52 perch whitefish 52 Tropical rainforests 52 Techa River 52 streambeds 52 Algae bloom 52 manmade ponds 52 gull droppings 52 unlined landfills 52 phytoplankton zooplankton 52 Great Barrier reef 52 terra preta 52 wetlands flood plains 52 coli bacteria 52 dredge spoil 52 sphagnum 52 floodwater recedes 52 sediment dredged 52 untreated effluent 52 ethane methane 52 spatterdock 52 Muriatic acid 52 wood chippings 52 Foul smelling 52 Arundo donax 52 phosphogypsum 52 combustion byproducts 52 embayments 52 pentachlorophenol PCP 52 mussel larvae 52 wastewater effluent 52 freshwater swamps 52 upland meadows 51 carcinogenic toxins 51 polluted stormwater 51 wetlands floodplains 51 calcareous soils 51 chemical fertilizers herbicides 51 microbial degradation 51 bull kelp 51 cajeput 51 deoxygenated 51 toxified 51 hardier seeds 51 sewage effluent 51 halogenated gases 51 clog drains 51 pollutes streams 51 rotting vegetation 51 nitrate nitrogen 51 Fourche Creek 51 coral skeletons 51 algal toxin 51 spew pollutants 51 biosolids compost 51 overflowing septic tanks 51 veligers 51 fragile marine ecosystems 51 gob pile 51 radioactive thorium 51 revegetating 51 aquatic fauna 51 dune vegetation 51 wellwater 51 billabongs 51 clayey 51 Lake Champlain basin 51 invasive phragmites 51 pentachlorophenol 51 oxidation ponds 51 fine grained sediment 51 carcinogenic PCBs 51 Grass carp 51 Hawkesbury Nepean River 51 Sea squirts 51 effluent discharges 51 Popponesset Bay 51 resuspend 51 Poo Gloos 51 toxic tailing ponds 51 toxic polychlorinated biphenyls 51 reef habitats 51 ant nests 51 Severe infestations 51 Mold mildew 51 diatomaceous 51 lunar magma 51 compost heaps 51 sludges 51 treated sewage sludge 51 feedlot manure 51 stormwater infiltration 51 sediment runoff 51 desalinized 51 caterpillar infestation 51 pine beetle infested 51 DDT pesticide 51 Tittabawassee River floodplain 51 pungent stench 51 borer infestation 51 sedimentation ponds 51 salt marsh grasses 51 marine biota 51 Mosquitoes breed 51 bio degradable waste 51 Hydraulic fluid 51 quaggas 51 Branchport Creek 51 culm banks 51 estuaries bays 51 creeks rivers 51 discharging raw sewage 51 de forestation 51 storage casks 51 dwelling organisms 51 pesticide malathion 51 milfoil infestation 51 Knotweed 51 Upper Floridan Aquifer 51 infertile soils 51 coldwater streams 51 nonpoint pollution 51 greenland 51 Overgrown grass 51 Tonle Sap lake 51 pearl mussel 51 tritiated 51 irrigations systems 51 pollute groundwater 51 silt dredged 51 acidify 51 Phragmites australis 51 Cow dung 51 brickfields 51 Pine beetles 51 toxic cyanobacteria 51 biosolid waste 51 woodlice 51 freshwater wetland 51 reservior 51 gopher tortoise burrows 51 seafloors 51 replenish aquifers 51 overpumped 51 dredged sediments 51 phosphorus nutrient 51 clay loam soil 51 toxic dioxins 51 brooks streams 51 backwater lakes 51 Microcystis 51 spawning habitats 51 cyanobacterial blooms 51 mosquito infestations 51 frog spawn 51 Pilarcitos Creek 51 crushed eggshells 51 stormwater outfalls 51 blowdowns 51 phosphate mines 51 basalt formations 51 sewage outfalls 51 corrosive salt 51 Toxic chemicals 51 reed beds 51 radioactive radium 51 lampreys spawn 51 anaerobic microbes 51 carelessly discarded 51 tributyltin TBT 51 rainwater seeps 51 invertebrate populations 51 Prosopis juliflora 51 eelgrass habitat 51 irrigate landscaping 51 pollutant discharges 51 sullage 51 toxic gasses 51 charcoal kilns 51 shellfish harvested 51 remnant bushland 50 larval mosquitoes 50 rainwaters 50 E.Coli bacteria 50 peat swamps 50 Methyl mercury 50 nonnative weeds 50 toxic tailings ponds 50 conifer needles 50 shallow depressions 50 dioxin concentrations 50 gaseous chlorine 50 naturally occurring minerals 50 flammable methane 50 mangrove vegetation 50 melaleuca trees 50 calcium bicarbonate 50 Teztan Biny 50 tailing piles 50 PCBs polychlorinated biphenyls 50 fecal pellets 50 tailing ponds 50 Redfield Wilder 50 umbel 50 contaminating 50 muddy moonscape 50 feral pests 50 damming rivers 50 percolation pits 50 volatilize 50 contaminants 50 slurry ponds 50 infiltration basins 50 recharge underground aquifers 50 recharging aquifers 50 cormorant colony 50 Polychlorinated Biphenyls PCBs 50 Rano Raraku 50 acquifers 50 Upper Floridan aquifer 50 washwater 50 fecal chloroform 50 freshwater aquifers 50 porous sandstone 50 pigeon feces 50 arsenic selenium 50 endrin 50 Coxs River 50 Alluvial Aquifer 50 Stormwater runoff 50 Fecal bacteria 50 unlabeled containers 50 toxic byproducts 50 fertilizing lawns 50 digester tanks 50 frogs tadpoles 50 rills 50 unreclaimed 50 teepee rings 50 Wanaque Reservoir 50 Ozark Aquifer 50 Waingawa 50 Great Crested Newts 50 polluted soils 50 raw sewage flowed 50 cladophora 50 Kickemuit River 50 degreasing solvent 50 bioaccumulation 50 cesspits 50 taconite tailings 50 putrefy 50 forested uplands 50 Bottom trawling 50 settling ponds 50 tributary creeks 50 chlorinated hydrocarbon 50 acrid odors 50 wiliwili trees 50 phosphorus pollution 50 uninfested 50 borne pathogen 50 Lake Natron 50 Siltation 50 sinkage 50 overflowing sewage 50 toxic algae blooms 50 unsewered 50 rodent nests 50 windblown sand 50 rusted hulks 50 clogging landfills 50 Heretaunga Plains 50 element boron 50 Overfishing pollution 50 Neuse River basin 50 alluvial soils 50 headpond 50 gulleys 50 burnoffs 50 accidental spillage 50 salty seawater 50 iron sulfate 50 re vegetate 50 contamination 50 bentonite clay 50 whitetop 50 sewer outfalls 50 riparian corridors 50 perchlorate plume 50 tidal inlets 50 sedimentation basin 50 Fecal matter 50 E Coli bacteria 50 floatables 50 acidifies 50 dissolved oxygen DO 50 tampon applicators 50 yucca plants 50 toxic algal blooms 50 plantlife 50 sewage discharges 50 heptyl 50 dissolver 50 radioactive depleted uranium 50 apple snail 50 mangrove wetlands 50 nonpotable 50 deplete aquifers 50 rotten egg smelling 50 Absorbent pads 50 biotopes 50 biohazardous waste 50 Little Assawoman Bay 50 radiactive 50 Longleaf pine 50 contaminate 50 inland bays 50 New Zealand mudsnails 50 volcanic lava 50 Mosquito larvae 50 Decomposing bodies 50 hazardous substances pollutants 50 contaminate drinking 50 intensively cultivated 50 mined gypsum 50 tansy ragwort 50 odors emitted 50 composted bark 50 carcinogenic dioxins 50 Alviso Slough 50 rootballs 50 mussel beds 50 bogs swamps 50 dump untreated sewage 50 phumdis 50 saltwater lagoons pools 50 plankton blooms 50 seepages 50 synthetic nitrogen fertilizer 50 dumpyard 50 marram grass 50 drains overflowed 50 Gualala River 50 groundwater 50 salicornia 50 bauxite residue 50 saltpan 50 Clogged drains 50 bark crevices 50 desal plants 50 silts 50 discharging effluent 50 alluvial plains 50 inorganic substances 50 revegetated 50 subterranean aquifers 50 Saltwater intrusion 50 Junked cars 50 brodifacoum 50 solvents pesticides 50 Dredged material 50 Giant salvinia 50 leaked tritium 50 corrosive salts 50 nontidal wetlands 50 unburied bodies 49 tritium contaminated 49 chemically contaminated 49 aquatic grasses 49 shallow aquifer 49 raw sewage overflowed 49 nutrient inputs 49 phosphorus runoff 49 arundo donax 49 oligotrophic 49 hazardous solvents 49 bays estuaries 49 insecticide malathion 49 foresting 49 tule reeds 49 Sediment samples 49 oxygenating 49 pesticides herbicides fertilizers 49 seabed sediments 49 contaminates 49 slag piles 49 cottonwood seeds 49 ash sludge 49 straw mulch 49 aerobic biodegradation 49 Cottontails seek 49 oshanas 49 hexachlorobenzene HCB 49 ancient lakebed 49 Fecal contamination 49 pollute waterways 49 mosquito insecticide 49 Ponding 49 larval habitats 49 fungus gnat 49 waterweed 49 de salination 49 algal toxins 49 elderberry bushes 49 redwood bark 49 macro invertebrate 49 marshes swamps 49 sandy loams 49 Domoic acid neurotoxin 49 recontaminated 49 Overgrown weeds 49 waterfalls ponds 49 Environmentally sensitive 49 banned pesticide DDT 49 cultch 49 effluent discharged 49 arsenic benzene 49 microscopic mite 49 Dear EarthTalk Are 49 toxic wastes 49 underground coal seams 49 Arjun Makhijani president 49 sodium hydrochloride 49 cement kiln dust 49 waterways 49 poison baits 49 beach vitex 49 creosote pilings 49 cow pats 49 Glenmere Lake 49 middens 49 desiccating 49 marshy wetland 49 loam soil 49 borne pathogens 49 mercury potent neurotoxin 49 waste decomposes 49 muddy quagmires 49 freshwater habitats 49 rockweed 49 pickleweed 49 Tanker spills 49 Kamoamoa eruption 49 inflammable substances 49 e coli bacteria 49 hypersaline 49 Suisun Marsh 49 manure slurry 49 Invasive plants 49 Sodium cyanide 49 mangrove seedlings 49 raw sewage seeping 49 turtle nesting beaches 49 claylike 49 soil salinity 49 Wingfield Pointe 49 groundwater depletion 49 Landslips 49 percolation ponds 49 pine sap 49 estuarine habitats 49 estrogenic compounds 49 Cohansey aquifer 49 Kamishak Bay 49 photic zone 49 sulfur gases 49 hydrocarbon vapors 49 toxic chemicals 49 Gwen Gilson 49 foul smelling algae 49 landfill leachate 49 Chlorine bleach 49 wetlands marshes 49 noxious algae blooms 49 variable milfoil 49 Kettleman Hills landfill 49 McMurdo Dry Valleys 49 BTEX chemicals 49 wildflower mixes 49 Improper disposal 49 putrid smelling 49 desalinate brackish 49 nonnative mussels 49 polluted 49 manganese nodules 49 absorbs rainwater 49 inflowing 49 Mesopotamian Marshlands 49 pest repellents 49 colorless odorless radioactive 49 indiscriminate dumping 49 stinking rotting 49 Sphagnum 49 leachates 49 glacial silt 49 cargo sweepings 49 lime slurry 49 Kettleman Hills 49 aquatic nuisances 49 drains culverts 49 sulpher 49 Brzuszek 49 salt marsh mosquitoes 49 volatilized 49 white clawed crayfish 49 insects fungi 49 tunicates 49 toxins 49 toxaphene 49 animal droppings 49 upland forests 49 endangered wood stork 49 contaminated 49 superfund cleanup 49 odors emanating 49 trichloroethane 49 Wreck Pond 49 PCB polychlorinated biphenyls 49 leach toxic chemicals 49 landward side 49 chlorine disinfectant 49 delicate ecosystems 49 karst topography 49 smog forming compounds 49 Suminoe oysters 49 Scotch thistle 49 golden alga 49 Okareka 49 tailings impoundments 49 cork oaks 49 Vast stretches 49 sprayfield 49 Thi Vai River 49 faecal contamination 49 inter tidal 49 Sulphates 49 zebra mussel infestation 49 mussel populations 49 depleting groundwater 49 riparian habitats 49 estrogenic chemicals 49 Lake Koroneia 49 microbial organisms 49 noxious gasses 49 waterlogged soils 49 flat featureless 49 slimy algae 49 River Wandle 49 groundwater replenishment 49 Magaguadavic River 49 meadows woodlands 49 freshwater mussels 49 fertile lowlands 49 floating pennywort 49 Unami Creek 49 borer beetle 49 digestors 49 banksias 49 intertidal habitat 49 gully erosion 49 redgum 49 trichloroethene TCE 49 reproduce prolifically 49 secondary clarifiers 49 lakebeds 49 pine groves 48 eutrophic 48 pesticides flame retardants 48 intertidal marsh 48 waterfowl habitats 48 ornamental plantings 48 rabbit burrows 48 erodible 48 viscous liquids 48 deplete oxygen 48 Effluents 48 beneficially reused 48 Hewletts Creek 48 naturally occurring arsenic 48 saline aquifers 48 biphenyls PCBs 48 tarry substance 48 aquatic flora 48 sediment 48 silted rivers 48 Anaktuvuk 48 radioactive tailings 48 Pseudo nitzschia 48 manure lagoons 48 understory vegetation 48 Muthurajawela 48 Louisiana coastal marshes 48 globe mallow 48 digestor 48 riverine ecosystems 48 riparian zones 48 chloride concentrations 48 Treated sewage 48 Lake Okaro 48 effluent ponds 48 microscopic creatures 48 LMDT 48 goose droppings 48 streamside habitat 48 briny wastewater 48 Vilcanota river 48 pesticide atrazine 48 oxidation pond 48 Basil Seggos 48 understorey 48 Aniva Bay 48 ecologically unsound 48 wood borers 48 fibrous mineral 48 heptachlor 48 naturally occurring radium 48 waterlog 48 floodplains wetlands 48 unburnt 48 Kawkawlin River 48 subsoils 48 depuration 48 aluminum phosphide 48 porpoise vaults 48 herbicides pesticides 48 saltwater estuary 48 Musi river 48 blackland 48 estuarial 48 coal tars 48 coho fry 48 deicing salts 48 seacoasts 48 rusticles 48 trichloroethene 48 Excess nitrogen 48 poisons 48 acquifer 48 ponds 48 TCE PCE 48 soakaway 48 saltwater marsh 48 Garbage dumps 48 chlorine ammonia 48 stormwater ponds 48 Peconic Estuary 48 Prussic acid 48 tidal wetland 48 Seawater desalination 48 sedge meadow 48 limestone ledges 48 encroaching urbanization 48 streamside forests 48 Elemental mercury 48 Mt Ruapehu crater 48 deforestation desertification 48 swans glide 48 bullfrog tadpoles 48 fecal material 48 sediment buildup 48 Sulfur compounds 48 impermeable surface 48 clubbed tunicate 48 Llyn Padarn 48 spillages 48 Incinerating 48 cogon grass 48 tidal estuary 48 monoculture crops 48 bacterium Clostridium 48 Chiricahua leopard frogs 48 lagoons 48 prairie pothole 48 mildly radioactive 48 Sisquoc River 48 quack grass 48 coral habitats 48 Guatemala sinkhole 48 corrosive acid 48 burrowing rodents 48 waste lagoons 48 obnoxious odors 48 sandstone quarry 48 watery sap 48 Rotting corpses 48 milky latex 48 PCB contaminated sediments 48 tidal salt marsh 48 depletes oxygen 48 Eurasian Milfoil 48 Prudehoe fields included 48 River Rwizi 48 triffid 48 defoliators 48 macrofauna 48 mesic 48 biospheres 48 Caledonian pine 48 groundwater contaminant 48 assimilative capacity 48 discharge effluent 48 cancer causer 48 tree prunings 48 seabird nesting