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(Click for frequent words.) 78 aquifer 74 groundwater 74 Floridan Aquifer 73 groundwater aquifer 73 Floridan aquifer 73 underground aquifer 73 alluvial aquifer 73 aquifers 72 shallow aquifers 69 acquifer 69 underground aquifers 69 Biscayne Aquifer 69 Trinity Aquifer 69 Upper Floridan Aquifer 68 groundwater basin 68 groundwater aquifers 67 sandstone aquifer 66 bedrock aquifers 66 Hueco Bolson 66 Ogallala aquifer 65 naturally occurring radium 65 Aquifer 65 freshwater aquifers 65 percolation ponds 65 freshwater aquifer 65 wellfield 65 brackish groundwater 64 surficial aquifer 64 groundwater plume 64 Alluvial Aquifer 64 Ozark Aquifer 64 wellfields 63 bedrock aquifer 63 Sparta Aquifer 63 Carrizo Wilcox Aquifer 62 sewage effluent 62 chlorine residuals 62 Groundwater 62 reservoir 62 acquifers 61 stormwater ponds 61 drainfield 61 Cohansey aquifer 61 water 61 aquifer recharge 61 Chicot Aquifer 61 treated effluent 61 naturally occurring arsenic 61 recharge underground aquifers 60 limestone aquifer 60 Aquifers 60 resevoir 60 landfill leachate 60 wastewater effluent 60 Contaminated groundwater 60 limestone bedrock 60 polluted groundwater 60 Brackish water 60 stormwater basins 60 tritium contaminated 59 recharge basins 59 contaminated groundwater 59 Edwards Aquifer 59 naturally occurring fluoride 59 Untreated sewage 59 Treated wastewater 59 watertable 59 Pootatuck Aquifer 59 Upper Floridan aquifer 59 reservoirs 59 Friant Kern Canal 59 chloramine 59 trichloroethene 58 Alliston Aquifer 58 turbid water 58 Floridian aquifer 58 Perchlorate contamination 58 Hetch Hetchy Reservoir 58 Floridian Aquifer 58 acid sulphate soils 58 groundwaters 58 karst geology 58 Ogallala Aquifer 58 porous sandstone 58 Spavinaw Creek 58 perchlorate plume 58 reservior 58 permeable soils 58 artesian wells 58 Ozark aquifer 57 nitrate contamination 57 Gnangara Mound 57 sediment 57 contaminant plume 57 groundwater basins 57 contaminate aquifers 57 Septic tanks 57 saltwater intrusion 57 groundwater withdrawals 57 karst topography 57 Hogtown Creek 57 Olivenhain Reservoir 57 drainfields 57 Lake Catoma 57 embayment 57 sedimentation basin 57 depleting aquifers 57 depleted aquifers 57 Groundwater contamination 57 Equus Beds 56 outfall 56 evaporation ponds 56 acid sulphate 56 septic tank effluent 56 LMDT 56 groundwater pumping 56 CRMWD 56 leachate 56 sedimentation ponds 56 Croton watershed 56 septic tanks 56 unnamed tributary 56 trihalomethane 56 pore spaces 56 chloramines 56 contaminate groundwater 56 fecal coliform contamination 56 groundwater contamination 56 TTHMs 56 groundwater recharge 56 Lake Lavon 56 drainage basin 56 chlorine residual 55 streambanks 55 Iao aquifer 55 drainage basins 55 hydrogeologic 55 recharge groundwater 55 subsurface drainage 55 headwaters 55 sewage lagoon 55 embayments 55 Sewage overflows 55 salinity intrusion 55 Carrizo Wilcox 55 Loch Lomond Reservoir 55 wastewater 55 TCE vapors 55 alluvial soils 55 trihalomethanes THMs 55 Equus Beds aquifer 55 Groundwater Basin 55 THMs 55 Valley Rathdrum Prairie 55 nonpotable water 55 Pardee Reservoir 55 Fecal coliform 55 sanitary sewage 55 total dissolved solids 55 stormwater discharge 55 mountain snowmelt 55 Scituate Reservoir 55 Sparta aquifer 55 river drainages 55 upflow 55 soakaway 55 oxidation ponds 55 Prickly Pear Creek 55 unchlorinated water 55 Kensico Reservoir 55 porous limestone 54 Rialto Colton 54 Neuse River basin 54 watercourse 54 stormwater pipes 54 Pilarcitos Creek 54 contaminating groundwater 54 hydrologically connected 54 septic systems 54 saline groundwater 54 sulfate concentrations 54 sewer outfall 54 forebay 54 sprayfield 54 Raw sewage 54 turbidity cloudiness 54 Catskill Aqueduct 54 Discolored water 54 stormwater retention ponds 54 ferrous chloride 54 untreated wastewater spilled 54 Alviso Slough 54 sediment basins 54 polluted stormwater 54 orthophosphate 54 creek 54 ultraviolet disinfection 54 nonpotable 54 Shoal Lakes 54 stormwater overflows 54 resacas 54 contaminants 54 toxic hydrogen sulfide 54 effluent 54 Stormwater runoff 54 Polluted runoff 54 catchment basins 54 residual chlorine 54 culverted 54 Creek tributary 53 irrigating crops 53 brackish water 53 nitrate nitrogen 53 Contaminated soil 53 ocean outfall 53 sewer outfalls 53 impermeable clay 53 sedimentation basins 53 sewage 53 retention basin 53 Fork Reservoir 53 wastewater lagoons 53 subwatershed 53 dissolved solids 53 subsurface aquifers 53 acid sulphate soil 53 sewer mains 53 silt laden 53 leaking septic tanks 53 Duchniak 53 fracing fluids 53 stormwater retention 53 sewer manholes 53 Alafia River 53 ponding basin 53 Pootatuck River 53 Wacissa 53 basin 53 McClusky Canal 53 air sparging 53 playa lakes 53 vadose zone 53 disinfection byproducts DBPs 53 artesian spring 53 Yarragadee aquifer 53 brackish 53 detention basins 53 floodplain 53 Sewage overflow 53 caprock 53 Wanaque Reservoir 53 Carrizo Aquifer 53 NTMWD 53 watersheds 53 unlined landfill 53 dechlorinated 53 de nitrification 53 Coxs River 53 Sewage spills 53 nitrate concentrations 53 karst terrain 53 Treated sewage 53 polluted stormwater runoff 53 artesian 53 filter backwash 53 irrigate farmland 53 raw untreated sewage 52 degreasing solvent 52 seepage 52 Notown Reservoir 52 resevoirs 52 Cheesman Reservoir 52 turbidity 52 Basefsky 52 recharging aquifers 52 SCVWD 52 saline aquifer 52 outfalls 52 clay loam 52 groundwater extraction 52 secondary clarifiers 52 mgd 52 pumpback 52 Vallecito Reservoir 52 stormwater drains 52 subsoils 52 reclaimed wastewater 52 coalbed 52 microcystins 52 arsenic 52 frack fluid 52 retention basins 52 overpumping 52 chlorine disinfectant 52 ponded 52 E Coli bacteria 52 soils 52 infiltration basins 52 arsenic contaminated 52 settling ponds 52 tidal wetland 52 dredged sediment 52 acid sulfate 52 Coombsville 52 stormwater outfalls 52 nitrates 52 septic 52 volcanic tuffs 52 Spectacle Pond 52 impermeable liner 52 untreated effluent 52 headwater streams 52 Ruamahanga River 52 gravelly soils 52 Camanche Reservoir 52 kiln dust 52 Pepacton 52 silt buildup 52 E. Coli bacteria 52 Aberjona River 52 stormwater outfall 52 algal toxins 52 Elephant Butte Reservoir 52 Banklick Creek 52 diversion weir 52 freshwater 52 impermeable layer 52 effluent ponds 52 Rivanna River 52 freshwater springs 52 shallow depressions 52 sedimentary deposits 52 Upcountry reservoirs 52 Lookout Shoals 52 sump pit 52 Glades Reservoir 52 Lake Koocanusa 51 Bolinas Lagoon 51 Reverse osmosis 51 sandy soils 51 Mokelumne River watershed 51 TCE plume 51 riparian corridor 51 Saltwater intrusion 51 radium contamination 51 Llagas Creek 51 clearwell 51 tailings piles 51 leaky septic tanks 51 tributary creeks 51 wetlands 51 dyke swarms 51 replenish aquifers 51 Kiamichi River 51 pumpage 51 seawater intrusion 51 Withers Swash 51 unsewered 51 Geoffrey Thyne 51 Ocklawaha River 51 Hydraulic fluid 51 basins 51 Brook tributary 51 hardwood swamps 51 haloacetic acid 51 wells 51 hydrogeologist 51 drainage swales 51 groundwater contaminants 51 Warm Springs Dam 51 dredge spoil 51 tetrachloroethene 51 fracturing fluids 51 Great Artesian Basin 51 Lake Maumelle 51 Chlorine dioxide 51 subglacial 51 impermeable shale 51 charcoal filters 51 stilling basin 51 pervious pavement 51 Floodplains 51 Retention ponds 51 riparian buffer 51 Reservoir 51 Fecal bacteria 51 downgradient 51 Pejar Dam 51 raw sewage spilling 51 flood plain 51 dissolved oxygen 51 dredged silt 51 wastewater overflows 51 Levisa 51 interceptor sewer 51 Gualala River 51 Radioactive tritium 51 tidal estuary 51 hydrogeological 51 impermeable membrane 51 injection wells 51 unlined pits 51 Cwellyn 51 outfall pipe 51 Rattlesnake Creek 51 wetland vegetation 51 Prado Dam 51 arsenic manganese 51 stormwater 51 artesian aquifer 51 grinder pumps 51 MtBE 51 parasite cryptosporidium 51 bentonite clay 51 Patapsco aquifer 51 chloride salts 51 Lake Oologah 51 sewage overflowed 51 Schoharie Reservoir 51 Yolo Bypass 51 haloacetic acids 51 arsenic concentrations 51 silt 51 backflow valves 51 hydrologic 51 Lake Fastrill 51 Odessa aquifer 51 alluvial gravel 51 groundwater replenishment 51 Des Lacs River 51 CRMWA 51 Tenmile Creek 51 Barataria Basin 51 waterlines 51 spokeswoman Susan Siravo 51 hydric soils 51 frac'ing 51 sediment buildup 51 Trihalomethanes 51 forested watersheds 51 Gamba sandstone 51 Albeni Falls Dam 51 fracking fluids 51 Aerators 51 Sediment 51 Myakkahatchee Creek 51 deplete aquifers 50 Sediments 50 tetrachlorethylene PCE 50 algaecide 50 river catchments 50 overpumped 50 Fourmile Creek 50 Hetch Hetchy reservoir 50 Alliston aquifer 50 geotextile fabric 50 drainage 50 seepages 50 disinfection byproducts 50 streambed 50 Trichloroethylene TCE 50 septics 50 recharging groundwater 50 ponds 50 river basin 50 wetland buffers 50 Umatilla Basin 50 WPCP 50 Snake Plain Aquifer 50 clogged culvert 50 Ugum 50 algal mats 50 cistern 50 ferric chloride 50 Kolke Creek 50 trichlorethylene TCE 50 potability 50 backwashing 50 Moyie River 50 Chlorination 50 aeration basin 50 Turbidity 50 irrigate landscaping 50 subbasin 50 sumps 50 catchbasins 50 Ocklawaha rivers 50 arundo 50 sediment dredged 50 silty 50 dissolved oxygen DO 50 Borumba Dam 50 stopbanks 50 treated sewage effluent 50 deoxygenated 50 springwater 50 arsenic barium 50 oxidation pond 50 Buckmaster Pond 50 backflow device 50 tributary rivers 50 hypersaline 50 tritiated water 50 perchlorate contamination 50 TCE contamination 50 Upper Vaitarna 50 fine grained sediment 50 Portneuf River 50 contaminates groundwater 50 Coalbed methane 50 earthen canal 50 Lake Nighthorse 50 tritium concentrations 50 dune lakes 50 fecal coliform 50 Water Reclamation Facility 50 alluvial flats 50 Sisquoc River 50 nitrate 50 concentrated brine 50 Cannonsville 50 Radioactive contamination 50 Sanitary sewers 50 BJWSA 50 Peconic Estuary 50 Croton Watershed 50 Nogales Wash 50 Plains Aquifer 50 aeration tanks 50 Fassnight Creek 50 Wekiwa Springs 50 diking 50 Harkins Slough 50 Mahomet Aquifer 50 Drainage ditches 50 ecologically sensitive wetlands 50 Mountain Aquifer 50 Thurmond Dam 50 spillway diverts river 50 Lake Beseck 50 Uvalde Pool 50 Untreated wastewater 50 potable 50 Moshannon Creek 50 fecal coliforms 50 Porong River 50 Enterococcus bacteria 50 septic tank 50 lakes Keowee 50 Fanno Creek 50 WEATHERFORD Water 50 artesian springs 50 blackwater streams 50 forested wetlands 50 chlorinator 50 magma chamber 50 lakebed 50 Nippersink Creek 50 Ruamahanga 50 Snake River Plain Aquifer 50 Baxter Shale 50 Fryingpan River 50 SWFWMD 49 Ninemile Creek 49 fracking fluid 49 sedimentation 49 intermittent streams 49 toxins leaching 49 Evitts Creek 49 saline intrusion 49 Hinckley Reservoir 49 tidal flushing 49 Marcellus shale formation 49 groundwater seepage 49 ancient lakebed 49 fecal coliform bacteria 49 stormwater pond 49 flowway 49 Buqo 49 wetland 49 desalinate brackish 49 transmountain 49 streamside habitat 49 Hadnot Point 49 stormwater retention pond 49 granitoid rocks 49 porpoise vaults 49 stormwater infiltration 49 sewered 49 impermeable surfaces 49 sewer 49 stormwater discharges 49 harmful contaminants 49 Ichetucknee 49 sewer pipes 49 Beijiang River 49 malfunctioning septic 49 recharge aquifers 49 baylands 49 Swingle Bench 49 peaty soil 49 Nitrate contamination 49 gallon cistern 49 eutrophic 49 Matthew Rodell 49 Swistock 49 Fastrill 49 Milltown Reservoir 49 chlorine disinfection 49 Coralville Dam 49 brackish marshes 49 hose bib 49 stormwater runoff 49 lake 49 Hickory Aquifer 49 silage leachate 49 paleochannel 49 riparian corridors 49 Murrumbidgee River 49 fluridone 49 contaminants leach 49 contaminated soil 49 brackish Lake Pontchartrain 49 brackish estuary 49 phosphates nitrates 49 Tsolum River 49 gaseous chlorine 49 groundwater contaminant 49 Lake Waukewan 49 alluvium 49 sandstone horizons 49 irrigate lawns 49 sewage lagoons 49 oxbow lakes 49 Sewage spill 49 Hammonasset River 49 chlorination 49 catchment 49 aerated lagoon 49 perfluorochemicals PFCs 49 Beaver Creek Reservoir 49 biofiltration 49 Eightmile 49 Watermaster 49 Hinkson Creek 49 contaminents 49 subglacial lakes 49 Athabasca watershed 49 Tulloch Reservoir 49 Ashokan Reservoir 49 chloride concentrations 49 Pompton Lake 49 chlorinated solvent 49 fecal contamination 49 dissolved oxygen levels 49 Loma Alta Creek 49 Manokin 49 WWII warplane 49 Athabasca sandstone 49 Leachate 49 tailing impoundment 49 tributary 49 wasterwater 49 rainwater runoff 49 coliform contamination 49 Econfina Creek 49 enterococci bacteria 49 digester tanks 49 forcemain 49 Tule Desert 49 Little Assawoman Bay 49 DBPs 49 Yarragadee 49 watermains 49 creeks 49 Tallapoosa rivers 49 dredge sediment 49 salt marsh habitat 49 micron filter 49 Kareem Formation 49 Fourche Creek 49 lagoons 49 coalbeds 49 Drainage Tunnel 49 PCE contamination 49 instream flows 49 MTBE contamination 49 perforated pipe 49 headwater stream 49 Dam spillway 49 salty seawater 49 irrigated farmland 49 tributary reservoirs 49 Pueblo Reservoir 49 clay soils 49 underground Ogallala aquifer 49 Aquifer Storage 49 aquifer recharge zone 49 colorless odorless radioactive 49 Sandbars 49 Snake River Plain 49 TTHM 49 alluvial plain 49 deep saline aquifer 49 headwater 49 Houma Navigation Canal 49 sump pits 49 Elevation normal 49 Wappinger Creek 49 forested buffers 49 Palos Verdes Shelf 49 sanitary sewers 49 Clam Bayou 49 Nissitissit River 49 Piiholo 49 Alligator Creek 49 irrigate crops 49 Uvas Reservoir 49 storm drains 49 sediments 49 Lake Tenkiller Area 49 Glendo Reservoir 49 reed bed 49 backflow prevention devices 49 Pervious concrete 49 sandstone reservoir 49 vapor extraction 49 Sauquoit Creek 49 percolation pits 49 Rangitaiki River 49 dechlorination 49 disinfectant byproducts 48 Kittitas Yakima 48 Tolt River 48 rodent burrows 48 Sequoit Creek 48 rainwater 48 absorb rainwater 48 bottomland 48 Storing carbon dioxide 48 forested wetland 48 naturally occurring minerals 48 Fryingpan Arkansas Project 48 tidal salt marsh 48 Driftwood Branch 48 creekbed 48 Meshoppen Creek 48 Foisey Creek 48 geologic formation 48 Sedimentation 48 hydraulic fracturing fluids 48 alluvial sediments 48 Manchhar Lake 48 streambeds 48 Dogfish Creek 48 wastewater treatment 48 dissolved salts 48 subtidal 48 E coli bacteria 48 hazardous waste dump 48 saltwater marsh 48 Carrowmore Lake 48 Killbuck Creek 48 effluent discharged 48 sewage outfalls 48 lakes 48 hydrological drought 48 Macondo wellhead 48 sediment ponds 48 stormwater drainage 48 rainwater catchments 48 Oligocene reservoir 48 streambank erosion 48 leaky septic 48 geologic formations 48 Marcal river 48 brine 48 erosion sedimentation 48 macroinvertebrates 48 wetland ecosystem 48 Calleguas 48 contaminant 48 tetrachlorethylene 48 fault scarp 48 Wreck Pond 48 backflow preventers 48 fishable waters 48 saline aquifers 48 sanitary sewer manhole 48 polluted runoff 48 aeration basins 48 phosphorus concentrations 48 Treatment Plant 48 sinkholes 48 polyaromatic hydrocarbons PAHs 48 Lake Zumbro 48 San Juan Chama 48 Caney Fork River 48 Dissolved oxygen 48 #cfs [002] 48 tidal marsh 48 Letsibogo Dam 48 raw sewage 48 chlorides 48 Leadville Mine 48 alteration halos 48 salinity 48 Hockomock Swamp 48 hydrocarbon accumulations 48 Mancos shale 48 Soda Butte Creek 48 hydrogen sulfide fumes 48 enterococcus bacteria 48 Piru Creek 48 Superfund hazardous waste 48 Manokin aquifer 48 Bonny Reservoir 48 HAAs 48 PPCPs 48 freshwater habitats 48 LNVA 48 Ragged Mountain Reservoir 48 desalinating sea water 48 Filtration Plant 48 DRGR 48 Calleguas Creek 48 Rangitaiki 48 salinisation 48 nutrient loadings 48 vegetated buffers 48 perchlorate 48 saltwater disposal 48 Agua Hedionda 48 riverbed 48 Mosquitoes breed 48 polluted sediment 48 shallower Cretaceous 48 emergent vegetation 48 Kakanui River 48 pervious surfaces 48 Algal bloom 48 unsewered areas 48 Beaverdam Creek 48 iron sulfide 48 clarifiers 48 spreader canal 48 San Justo Reservoir 48 oxbow 48 sewer interceptor 48 tailwater 48 siliceous sediments 48 groundwater pumpers 48 coalbed methane wells 48 Stonycreek River 48 storm sewers 48 aerially extensive 48 Ammonoosuc River 48 arsenic contamination 48 Quemahoning Reservoir 48 diked 48 Kawela 48 Platoro Reservoir 48 hydraulic conductivity 48 cryptosporidium parasite 48 hydrologic cycle 48 contaminate drinking 48 Cienega Creek 48 riparian zones 48 Septic tank 48 sequestered CO2 48 Swale Brook 48 desalted 48 bioaerosol 48 stormwater sewers 48 inland bays 48 Natomas Basin 48 Haynesville Shale formation 48 Sewage sludge 48 coulees 48 phosphogypsum 48 tritium plume 48 Caballos formation 48 grout curtain 48 Angat dam 48 OAK CREEK Water 48 wellwater 48 toxic fracking fluid 48 pressurized irrigation 48 Oradell Reservoir 48 Pascack Brook 48 corrugated metal pipe 48 NTUs 48 TCE trichlorethylene 48 Great Lakes basin 48 oxbows 48 solvent vapors 48 tidal waters 48 Odd numbered addresses 48 South Fork Rivanna 48 sanitary sewer 48 BASTROP Water 48 sewage outfall pipe 48 overflowing sewage 48 Jurassic sandstone 48 overappropriated 48 sandy loam 48 basalt flows 48 lowland flooding 48 loams 48 Graywater 48 marshy wetlands 48 Seepage 48 ferric sulphate 48 groundwater depletion 48 Odessa Subarea 48 stream buffers 48 tidal marshes 48 Warragamba Dam 48 Tunkhannock Creek 48 invasive zebra mussels 48 Googong 48 Pactola 48 Rapidan River 48 Snake River aquifer 48 chlorinate 48 Lahontan Reservoir 48 seawater 48 irrigations systems 48 discharge effluent 48 radioactive isotope tritium 48 frac fluid 48 Seawater desalination 48 Hydrants 48 Wissahickon Creek 48 streamside forests 48 borefield 48 Soil pH 48 outfall canals 48 fecal chloroform 48 sanitary sewer laterals 48 Lake Chesdin 48 Containment booms 48 Obleski 48 Prettyboy Reservoir 48 fecal bacteria 48 Chert 48 nitrification 48 gypsum stacks 48 freshwater wetland 48 reusing wastewater 47 abyssal plain 47 tributaries 47 Shannopin 47 frazil ice 47 hydromulch 47 gutter downspout 47 Shashe Dam 47 unlined trenches 47 reverse osmosis 47 Navajo Aquifer 47 Atchafalaya River Basin 47 SJRWMD 47 backflow 47 membrane bioreactor 47 rivers estuaries 47 tidal wetlands 47 acre impoundment 47 coastal estuaries 47 oligotrophic 47 retention ponds 47 tritium contamination 47 bankfull 47 Tug Fork 47 Sheep Creek 47 produce briny wastewater 47 Putah 47 hydrocarbon reservoirs 47 drainage culvert 47 subsurface 47 spokeswoman Skylar McElhaney 47 unscented household bleach 47 Masnada 47 Water Treatment Plant 47 Lake Peigneur 47 revegetated 47 irrigated agriculture 47 bacteriological contamination 47 CVWD 47 dredge spoils 47 aquifer depletion 47 palaeochannels 47 pollutes waterways 47 freshwater wetlands 47 drainage swale 47 Cannery Loop 47 sewage overflow 47 Clearford SBS TM 47 Stormwater drains 47 Kokosing River