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(Click for frequent words.) 69 polluted runoff 69 polluted stormwater runoff 65 Untreated sewage 65 raw sewage discharges 64 stormwater pollution 63 phosphorus pollution 62 silt buildup 62 wastewater overflows 62 Stormwater runoff 61 stormwater runoff 61 sewage discharges 60 Sewage overflows 60 stormwater discharges 60 fecal coliform contamination 60 sewage effluent 60 Polluted runoff 59 harmful algae blooms 59 untreated effluent 59 sewage overflows 59 Treated wastewater 59 Sewage spill 58 leaking septic tanks 58 turbid water 58 stormwater overflows 58 nonpoint pollution 58 toxic algae blooms 58 stormwater infiltration 58 sewage 58 nonpoint source 58 Raw sewage 58 dredged sediment 58 Sewage spills 58 raw sewage overflows 58 sedimentation ponds 58 waterways 58 phosphorus discharges 58 silt laden 58 toxic algal blooms 57 Upper Floridan Aquifer 57 Upper Floridan aquifer 57 stormwater discharge 57 rainwater runoff 57 nitrogen discharges 57 Caloosahatchee rivers 57 invasive zebra mussels 57 creeks rivers 57 polluted groundwater 57 recharge groundwater 57 sediment 57 sewer outfalls 57 storm drains 57 nutrient loading 57 sanitary sewer overflows 56 Algae blooms 56 untreated raw sewage 56 chlorine residuals 56 seawater intrusion 56 untreated sewage 56 untreated sewage flowed 56 stormwater 56 nonpoint source pollution 56 pollutes waterways 56 recharge underground aquifers 56 contaminate aquifers 56 sediment runoff 56 Biscayne Aquifer 56 aquatic hitchhikers 56 St. Lucie Estuary 56 groundwater 56 pollutant discharges 55 toxic polychlorinated biphenyls 55 creosote pilings 55 wastewater effluent 55 nutrient discharges 55 raw untreated sewage 55 nutrient runoff 55 coastal bays 55 stormwater basins 55 Algae bloom 55 erosion sedimentation 55 shoreline erosion 55 acid sulphate soils 55 sedimentation basins 55 groundwater contaminants 55 raw sewage 55 phosphorus runoff 55 leaky septic tanks 55 shellfish harvests 55 sediment dredged 55 saltwater intrusion 55 dredge spoil 55 Radioactive tritium 54 stormwater ponds 54 Alluvial Aquifer 54 LMDT 54 Brackish water 54 untreated wastewater 54 sprayfield 54 nutrient loadings 54 riverbank erosion 54 contaminents 54 tidal flushing 54 ecologically sensitive wetlands 54 salmon spawning grounds 54 sewage overflow 54 aquatic nuisances 54 dredge sediment 54 Wreck Pond 54 wastewater 54 phosphorus nutrient 54 shallow aquifer 54 zebra mussel infestation 54 aquifer recharge 54 streambank erosion 54 sewer overflows 54 effluent 54 pollutants 54 contaminated sediments 54 dechlorination 54 wasterwater 54 polluted sediment 54 Treated sewage 54 percolation ponds 54 spilling raw sewage 54 groundwater aquifer 54 Branchport Creek 54 pollute rivers 54 Ugum Water Treatment Plant 54 pollution 54 wastewater lagoons 54 phosphates nitrates 54 invasive quagga mussel 54 landfill leachate 53 Septic tanks 53 Caloosahatchee estuary 53 groundwater aquifers 53 silt dredged 53 stormwater outfalls 53 Excess nutrients 53 recharge basins 53 Sewage overflow 53 freshwater aquifer 53 muck dredged 53 wastewater discharges 53 leaky septic 53 leachate 53 nutrient inputs 53 Bayou Texar 53 raw sewage spilling 53 nonpoint 53 effluent discharged 53 pollutes streams 53 estuary 53 polluting groundwater 53 beachwater 53 nutrient pollution 53 lampricide 53 reusing wastewater 53 dams spillways 53 sewage spills 53 phosphorous discharges 53 oily wastes 53 arsenic contaminated 53 fertilized lawns 53 waterway 53 Discolored water 53 polluted waterways 53 endangered steelhead trout 53 algal toxins 53 Soil erosion 53 saltwater estuaries 53 water 53 endangered coho salmon 52 dredge spoils 52 migrating salmon 52 invasive milfoil 52 discharging wastewater 52 Floridan aquifer 52 dumping untreated sewage 52 floatables 52 mussel infestation 52 harmful contaminants 52 vegetated buffers 52 estuarine habitats 52 acid sulphate soil 52 Untreated wastewater 52 trihalomethanes THMs 52 embayments 52 recontamination 52 algal toxin 52 TTHMs 52 combined sewer overflows 52 catchbasins 52 raw sewage flowing 52 recharging groundwater 52 dumping raw sewage 52 contaminants 52 discharging untreated sewage 52 filter backwash 52 saline intrusion 52 Coxs River 52 underground aquifer 52 phosphogypsum stacks 52 harmful byproducts 52 streamside habitat 52 Schoharie Reservoir 52 threatened Delta smelt 52 Beijiang River 52 riverways 52 frazil ice 52 shortnose sturgeon 52 Iao aquifer 52 Peconic Estuary 52 sedimentation basin 52 unpermitted discharge 52 nonpotable water 52 stormwater pipes 52 freshwater streams 51 toxins leaching 51 brackish groundwater 51 marine biotoxin 51 estuaries 51 derelict crab pots 51 Catskill Aqueduct 51 contaminating groundwater 51 Caloosahatchee estuaries 51 silt 51 acid sulphate 51 naturally occurring algae 51 ultraviolet disinfection 51 Little Assawoman Bay 51 dump raw sewage 51 unpermitted discharges 51 floodplains wetlands 51 nuisance aquatic vegetation 51 instream flows 51 dredged silt 51 Siltation 51 rivers lakes 51 depletes oxygen 51 effluent discharges 51 salty brine 51 polluted waterway 51 groundwater withdrawals 51 Reverse osmosis 51 Shiranui Sea 51 Kolke Creek 51 Hazardous Sites 51 discharging effluent 51 waterborne microorganisms 51 parasite cryptosporidium 51 produce briny wastewater 51 polluting waterways 51 Bayou Verdine 51 wastewater discharge 51 discharging contaminates 51 pumpback 51 Sparta aquifer 51 McClusky Canal 51 polluted 51 toxic algae bloom 51 phosphorus fertilizers 51 contaminates drinking 51 microbiological organisms 51 raw sewage overflowed 51 shellfish harvested 51 assimilative capacity 51 turbidity cloudiness 51 nonpotable 51 ocean outfalls 51 noxious algae blooms 51 Houma Navigation Canal 51 toxic effluents 51 biofiltration 51 nontarget species 51 depleting aquifers 51 Klamath salmon 50 desalinating seawater 50 groundwater depletion 50 Stonycreek River 50 Gnangara Mound 50 Sediment 50 nitrate contamination 50 invasive mussels 50 Toxic algae blooms 50 naturally occurring radium 50 disinfectant byproducts 50 Hewletts Creek 50 aquatic weeds 50 Septic tank 50 Kawkawlin River 50 dissolved oxygen levels 50 nonnative mussels 50 discharging pollutants 50 Hammonasset River 50 Bacterial contamination 50 Contaminated groundwater 50 CRMWD 50 effluent discharge 50 lamprey larvae 50 clogged culverts 50 dredgings 50 brevetoxin 50 unnamed tributary 50 treated effluent 50 dechlorinated 50 sediment buildup 50 groundwater basin 50 dump untreated sewage 50 harmful vapors 50 removing contaminated sediments 50 Algal bloom 50 secondary clarifiers 50 Excess nitrogen 50 contaminants leach 50 algae blooms 50 washwater 50 harmful microorganisms 50 Hydraulic fluid 50 recharging aquifers 50 stream buffers 50 clam flats 50 Notown Reservoir 50 absorb rainwater 50 coastal estuaries 50 waterborne parasites 50 contaminated sediment 50 Contaminated soil 50 Loma Alta Creek 50 chloramine 50 Fecal bacteria 50 Xe Bang Fai 50 Skippack Creek 50 larval mosquitoes 50 salinity intrusion 50 charcoal filters 50 silage leachate 50 ballast water 50 tiny delta smelt 50 Wanaque Reservoir 50 microbial contaminants 50 Fecal coliform bacteria 50 headgates 50 recharges groundwater 50 aquatic ecosystem 50 aquatic organisms 50 Floridan Aquifer 50 clog drains 49 storm sewers 49 Coosa Tallapoosa 49 nitrates phosphates 49 Nitrate contamination 49 Cannonsville Reservoir 49 goose droppings 49 aquatic grasses 49 Neuse River basin 49 Fecal contamination 49 Sewer overflows 49 toxic algal bloom 49 toxic algae 49 surficial aquifer 49 eutrophic 49 eroding shorelines 49 dischargers 49 naturally occurring arsenic 49 Pepacton 49 Scituate Reservoir 49 Toxic algae 49 streambanks 49 discharging sewage 49 desalinating sea water 49 Kensico Reservoir 49 aeration tanks 49 endangered Delta smelt 49 Hetch Hetchy reservoir 49 Freshwater mussels 49 hazardous waste dump 49 Diesel exhaust 49 contaminate shellfish 49 toxic pollutants 49 inland bays 49 acid sulfate 49 Aerators 49 malfunctioning septic 49 disinfection byproducts 49 Hueco Bolson 49 Inland Bays 49 endangered delta smelt 49 irrigate farmland 49 Aberjona River 49 benzene vapors 49 Hawkesbury Nepean River 49 transuranic wastes 49 drilling muds 49 Evitts Creek 49 Fecal coliform 49 Bonny Reservoir 49 Albemarle Pamlico 49 fragile marine ecosystems 49 regulate ballast 49 Wissahickon Creek 49 toxic chemicals 49 outfalls 49 robbing algae blooms 49 MtBE 49 wellwater 49 outfall pipe 49 carcinogenic PCBs 49 algal bloom 49 Dogfish Creek 49 ship ballast tanks 49 Cheesman Reservoir 49 Groundwater contamination 49 contaminating waterways 49 overflowing sewage 49 freshwater estuary 49 toxic residues 49 Banklick Creek 49 Ocklawaha River 49 Thi Vai River 49 dredged sediments 49 salty seawater 49 Thurmond Dam 49 Ashokan Reservoir 49 Delaware Inland Bays 49 herbicide Atrazine 49 contaminant perchlorate 49 rainwater 49 aquatic invasive species 49 desalinate brackish 49 underground aquifers 49 cladophora 49 Sump pump 49 Gualala River 49 sediment ponds 49 septic tank effluent 49 nontidal wetlands 49 migratory bird habitats 49 deplete oxygen 49 sedimentation 49 Redfield Wilder 49 recharge aquifers 49 clogging drains 49 pollutes groundwater 49 creeks streams 49 Lake Koocanusa 49 stilling basin 49 nitrate nitrogen 49 dredged material 49 Stormwater drains 49 Invasive mussels 49 filter impurities 49 BJWSA 49 hazardous vapors 49 forebay 49 endangered chinook salmon 49 outfall 49 damming rivers 49 salinisation 49 evaporation ponds 49 Lake Gerar 49 Radioactive contamination 49 settling ponds 49 cargo sweepings 49 Suisun Marsh 49 fragile marshes 49 replenishing groundwater 49 Ninemile Creek 49 instream 49 shorebird habitat 49 freshwater aquifers 48 Squamish Estuary 48 New Zealand mudsnails 48 septic haulers 48 detention basins 48 Plainwell Dam 48 oily bilge water 48 harmful algae bloom 48 inflowing 48 gypsum pond 48 reclaimed wastewater 48 backflow prevention devices 48 radium naturally occurring 48 Upcountry reservoirs 48 replenish aquifers 48 harmful pollutants 48 contaminate groundwater supplies 48 Hylebos Creek 48 disinfection byproducts DBPs 48 freshwater 48 waterborne pathogens 48 tidal estuary 48 dumps raw sewage 48 watertable 48 wetlands floodplains 48 aquatic weed 48 sanitary sewer overflow 48 bulkheading 48 airborne particulates 48 Clam Bayou 48 Metedeconk River 48 toxins 48 raw sewage spilled 48 chlorinated solvent 48 groundwater pumping 48 neutralized VX 48 Gilboa Dam 48 aquatic habitat 48 tributary rivers 48 Wodder 48 Fecal matter 48 Agua Hedionda 48 dump dredge spoils 48 chlorine disinfection 48 contaminates groundwater 48 Hinckley Reservoir 48 solvent vapors 48 de nitrification 48 Spectacle Pond 48 Atchafalaya River Basin 48 estuarine habitat 48 Porong River 48 Underwater grasses 48 Cohansey aquifer 48 reverse osmosis filtration 48 brackish estuary 48 eelgrass habitat 48 invasive aquatic 48 Hydroelectric dams 48 invasive carp 48 Sewage sludge 48 silting 48 Sedimentation 48 dissolved solids 48 threatened coho salmon 48 stormwater outfall 48 GPID 48 backflow 48 ocean outfall 48 Portneuf River 48 cryptosporidium parasite 48 tributary streams 48 Containment booms 48 Skipanon River 48 discharging ballast 48 Graveline Bayou 48 Palos Verdes Shelf 48 mosquito larvicide 48 Goose droppings 48 Loch Lomond Reservoir 48 coldwater streams 48 coliform contamination 48 Twin Ports harbor 48 Pervious concrete 48 backwater lakes 48 shellfish beds 48 imperiled salmon 48 Methyl mercury 48 trichloroethene 48 pollute waterways 48 outfall pipes 48 stormwater drains 48 Yolo Bypass 48 tui chubs 48 pollutant 48 perchlorate plume 48 Lockwood Folly River 48 Altose 48 Athabasca watershed 48 depuration 48 hydrocarbon vapors 48 tidal rivers 48 cormorant populations 48 migratory bird habitat 48 clogged culvert 48 carcinogenic pollutants 47 Cucharas River 47 Albeni Falls Dam 47 diarrhea cramps nausea 47 Eurasian milfoil 47 Mattaponi River 47 alluvial aquifer 47 spawning habitats 47 Barataria Basin 47 wetlands 47 clogging waterways 47 Lockwoods Folly 47 sprayfields 47 delicate ecosystems 47 resacas 47 discharging polluted 47 groundwater replenishment 47 THMs 47 mosquito larva 47 brooks streams 47 shallow aquifers 47 Inland Bays watershed 47 Na Wai Eha 47 shellfishing beds 47 Sewage 47 sanitary sewage 47 toxic sediments 47 tidal wetlands 47 fishable waters 47 unchlorinated water 47 microcystins 47 golden alga 47 groundwater seepage 47 Bolinas Lagoon 47 effluents 47 sewer manholes 47 irrigating crops 47 mosquito breeding habitats 47 pollutant loadings 47 groundwater extraction 47 Parleys Creek 47 sewage treatment 47 tributary creeks 47 salt cedars 47 lime slurry 47 tidal wetland 47 Stormwater 47 Particulate pollution 47 Shellfish harvesting 47 San Juan Chama 47 Alviso Slough 47 toxic benzene 47 streamside forests 47 discharging untreated 47 Combined sewer overflows 47 unlined landfills 47 Whatcom watershed 47 putrid odors 47 Fassnight Creek 47 PCB contaminated sediments 47 PacifiCorp dams 47 tidal tributaries 47 Sodium hydroxide 47 fuel additive MTBE 47 persistent bio accumulative 47 irrigate landscaping 47 wetland ecosystem 47 turbidity 47 salt marsh habitat 47 filter feeders 47 waterborne bacteria 47 endangered mussels 47 haloacetic acids 47 Zebra Mussels 47 Sinclair Inlet 47 beachwater pollution 47 drains 47 wellfields 47 Marcal river 47 Mosquito larvae 47 hatchery trout 47 trihalomethane levels 47 sediment basins 47 algal blooms 47 unlined pits 47 kiln dust 47 hazardous solvents 47 PPCPs 47 Zebra mussel 47 Poo Gloos 47 Water hyacinth 47 Lake Maumelle 47 Wastewater Reclamation Authority 47 Fenholloway 47 invasive species 47 groundwater recharge 47 ballast discharges 47 storm drains unclogged 47 riverbank stabilization 47 incinerator ash 47 rivers 47 resevoir 47 watersheds 47 Algal blooms 47 mercury sulfur dioxide 47 nontidal 47 salvinia 47 endangered silvery minnow 47 contaminated groundwater 47 Redwood Landfill 47 dam spillway 47 spawning gravels 47 tidal estuaries 47 Assunpink Creek 47 sea lampreys 47 filter feeders sucking 47 acquifers 47 Nogales Wash 47 aquatic biota 47 Driftwood Branch 47 lawn fertilizers 47 oyster hatchery 47 Endocrine disruptors 47 fecal coliform bacteria 47 Carmans River 47 brackish water 47 chemical de icers 47 lampreys spawn 47 Milltown Reservoir 47 Fourche Creek 47 untreated wastewater spilled 47 rainwaters 47 mosquito infestation 47 aquifer 47 Polluted 47 sediment downriver 47 Croton watershed 47 dikes dams 47 Enterococcus bacteria 47 oxidation pond 47 fracing fluids 47 sewage overflowed 47 Clean Water Act 47 semi permeable membrane 46 Authority MWRA 46 TCE vapors 46 Bottom trawling 46 creeks 46 overfertilizing 46 Youghiogheny rivers 46 naturally occurring fluoride 46 Quagga mussel 46 dammed rivers 46 wastewaters 46 Leachate 46 contaminate groundwater 46 harmful toxins 46 Carrizo Wilcox Aquifer 46 pumpouts 46 Controlled burns 46 Tar Pamlico 46 haloacetic acid 46 instream flow 46 fix leaky pipes 46 denuded slopes 46 melting snowpack 46 Loantaka Brook 46 Chlorine bleach 46 delicate marshlands 46 gaseous chlorine 46 nonpoint sources 46 Wachusett Reservoir 46 geese droppings 46 sewage lagoons 46 wastewater treatment 46 backwashing 46 OSPR 46 quaggas 46 enterococcus bacteria 46 sewage outfall pipe 46 watermilfoil 46 Ballona Creek 46 frack fluid 46 curly leaf pondweed 46 Coastal Bays 46 cyanobacteria blooms 46 drain inlets 46 Sparta Aquifer 46 tidal waters 46 Ruedi Reservoir 46 Shandaken Tunnel 46 Saltwater intrusion 46 Dungeness River 46 acquifer 46 nearshore waters 46 hazardous substances pollutants 46 pore spaces 46 arundo 46 streambank 46 sewage outfalls 46 Hylebos 46 hydraulic dredge 46 nonnative invasive 46 Whittaker Bermite 46 recreational shellfish harvesting 46 Dawn Stoltzfus 46 recreational shellfishing 46 hydrogen sulfide gases 46 Lake Oologah 46 Llagas Creek 46 sludge lagoons 46 nesting piping plovers 46 invasive phragmites 46 macro invertebrate 46 trihalomethane 46 streambeds 46 Tinkers Creek 46 spartina 46 Trichloroethylene TCE 46 Hetch Hetchy Reservoir 46 groundwater pumpers 46 noxious gasses 46 Lake Nagawicka 46 Iao Stream 46 Septage 46 Uvalde Pool 46 overflowing septic tanks 46 resevoirs 46 Effluent 46 toxic pollutant 46 mussel species 46 Caney Fork River 46 Pigeon droppings 46 aquatic invasives 46 Cannonsville Pepacton 46 Sump pumps 46 tributary 46 overflowing sewers 46 streams creeks 46 Sauquoit Creek 46 woody debris 46 smokestack emissions 46 biosolids compost 46 cormorant population 46 Sea squirts 46 nonnative fish 46 Leaky pipes 46 intermittent streams 46 Beas rivers 46 Paugus Bay 46 Mosquitoes breed 46 Milfoil 46 fishable swimmable 46 sludge digestion 46 Sodium cyanide 46 mountain snowmelt 46 Napindan Channel 46 shoreline buffers 46 Budd Inlet 46 faulty septic 46 Carrizo Wilcox 46 geoduck farms 46 Creek tributary 46 Randleman Reservoir 46 Methylmercury 46 contaminate drinking 46 saltwater 46 Croton Watershed 46 goose poop 46 chlorides 46 sand dredged 46 groundwaters 46 sump pit 46 northern snakehead fish 46 herring shad 46 treated sewage effluent 46 Esopus Creek 46 Giant Salvinia 46 Mispillion River 46 compacted soils 46 abandoned crab traps 46 tributaries 46 Neil Armingeon 46 sunken tug 46 Lake Zumbro 46 depleted aquifers 46 retention basins 46 Hydrogen sulfide 46 aquatic vegetation 46 Tsolum River 46 Carrowmore Lake 46 Trinity Aquifer 46 Pepacton Reservoir 46 chloramines 46 pipeline ruptures 46 concentrated brine 46 resuspend 46 tideland 46 intertidal habitat 46 Masonboro Island 46 Chlorination 46 Flooded basements 46 swimmer itch 46 freshwater habitats 46 Cladophora 46 catch basins 46 gypsum byproduct 46 chlorine disinfectant 46 rivers estuaries 46 Cutthroat trout 46 fracking wastewater 46 Camanche Reservoir 46 thirsty Front Range 46 microscopic soot particles 46 Makushin Bay 46 underwater grasses 46 Kilchis 46 Yangtze rivers 46 unsewered areas 46 freshwater marsh 46 Absorbent booms 46 shorebird nesting 46 Dredged material 46 Knotweed 46 shellfish harvesting 46 turbid 46 sludge 46 invasive weeds 46 aquatic invaders 46 freshwater marshes 46 Warm Springs Dam 46 phosphorous fertilizers 46 native brook trout 46 unregulated fracking 46 spokeswoman Phillippa Cannon 46 dredged sand 46 unpleasant odors 46 tritium contaminated 46 Kittitas Yakima 45 bedrock aquifers 45 endangered shortnose sturgeon 45 bayside beaches 45 neutralize acids 45 Shoal Lakes 45 railcar unloading 45 Winnipeg floodway 45 Trevallyn Dam 45 RO membranes 45 Okatie River 45 Kaituna River 45 Ocklawaha rivers 45 restricts airflow 45 PAHs polycyclic aromatic hydrocarbons 45 unlined landfill 45 threatened delta smelt 45 fecal bacteria 45 Levisa 45 deplete aquifers 45 Friant Kern Canal 45 unsewered 45 Moapa dace 45 leachates 45 Ice jams 45 LNG supertankers 45 dams weirs 45 Tacoma Commencement 45 polychlorinated biphenyl PCB 45 Larry Altose 45 industrial effluents 45 endangered Chinook salmon 45 riparian ecosystems 45 smokestack scrubbers 45 phytoplankton zooplankton 45 Popponesset Bay 45 arsenic selenium 45 anaerobic microbes 45 Megunticook River 45 contaminates 45 Tukituki River 45 steelhead smolts 45 marshes wetlands 45 veligers 45 Lake Musconetcong 45 total dissolved solids 45 Cienega Creek 45 turbid waters 45 Avian botulism 45 inland waters 45 shellfish harvesters 45 CNPPID 45 groundwater basins 45 toxic substances 45 rivers creeks 45 briny wastewater 45 depleting oxygen 45 saltwater marsh 45 leach toxins 45 stormwater filtration 45 desalinating 45 Buena Vista Lagoon 45 Zebra mussels 45 Paerdegat Basin 45 chlorinator 45 Fisherman drowns 45 orthophosphate 45 seagrasses 45 Granby Reservoir 45 purifying tablets 45 toxic dispersants 45 HAAs 45 Maurepas Swamp 45 groundwater plume 45 dissolved oxygen DO 45 sullage 45 Furnace Pond 45 macroinvertebrates 45 airborne germs 45 Seapoint Beach 45 watercourse 45 sewer overflow 45 pollutant discharge 45 atmospheric deposition 45 Rotorua lakes 45 headwater stream