All Cities in Illinois
Click any city to view its detailed water quality report and safety grade.
ADAIR
D
ADDISON
F
ALBANY
F
ALBERS
F
ALBION
D
ALDEN
D
ALEDO
F
ALEXANDER
D
ALEXIS
F
ALGONQUIN
F
ALHAMBRA
F
ALLENDALE
D
ALMA
D
ALPHA
F
ALSIP
D
ALTAMONT
F
ALTO PASS
D
ALTONA
D
ALVIN
F
AMBOY
D
ANCHOR
D
ANNA
F
ANNAPOLIS
F
ANNAWAN
F
ANTIOCH
F
APPLE RIVER
D
ARBINGTON
D
ARCOLA
F
ARENZVILLE
F
ARLINGTON
F
ARLINGTON HEIGHTS
F
ARMSTRONG
F
ARTHUR
F
ASHKUM
F
ASHLAND
D
ASHLEY
D
ASSUMPTION
F
ASTORIA
D
ATKINSON
D
ATLANTA
F
ATWOOD
F
AUBURN
D
AUGUSTA
F
AURORA
F
AUSTIN
D
AVA
D
AVISTON
F
BANNOCKBURN
F
BARDOLPH
F
BARINGTON
F
BARRINGTON
D
BARRY
F
BARTELSO
D
BARTLETT
F
BARTONVILLE
D
BATAVIA
F
BATCHTOWN
F
BATH
F
BEACH PARK
F
BEARDSTOWN
F
BEAVERVILLE
F
BECKEMEYER
D
BEDFORD PARK
D
BEECHER
F
BEECHER CITY
D
BELLWOOD
F
BELVIDERE
F
BEMENT
F
BENLD
D
BENSENVILLE
F
BENSON
D
BENTON
F
BERKELEY
F
BERWYN
F
BETHANY
F
BIG ROCK
D
BIGGSVILLE
F
BISHOP HILL
D
BISMARCK
F
BLANDINSVILLE
D
BLOOMINGDALE
F
BLOOMINGTON
F
BLUE ISLAND
F
BLUFORD
D
BONE GAP
D
BOURBONNAIS
D
BOURONNAIS
D
BOWEN
F
BRACEVILLE
F
BRADFORD
F
BRAIDWOOD
F
BRIDGEPORT
F
BRIGHTON
D
BRIMFIELD
D
BRISTOL
F
BROADLANDS
D
BROADVIEW
F
BROCTON
D
BROOKPORT
F
BROWNING
F
BROWNSTOWN
F
BRUSSELS
F
BUCKINGHAM
D
BUFFALO GROVE
F
BULL VALLEY
D
BUNCOMBE
D
BURBANK
F
BURLINGTON
F
BURNHAM
F
BUSHNELL
F
BUTLER
F
BYRON
F
CABERY
F
CALEDONIA
D
CALHOUN
F
CALUMET CITY
F
CALUMET PARK
F
CAMARGO
F
CAMBRIDGE
F
CAMERON
D
CAMP GROVE
D
CAMP POINT
F
CAMPBELL HILL
D
CAMPUS
D
CANTON
D
CAPRON
F
CARBON CLIFF
F
CARBON HILL
F
CARBONDALE
F
CARLINVILLE
D
CARLOCK
F
CARLYLE
F
CARMAN
D
CAROL STREAM
D
CARRIER MILLS
A
CARROLLTON
D
CARTHAGE
D
CARY
F
CASEY
F
CASEYVILLE
F
CATLIN
F
CAVE-IN-ROCK
D
CEDAREDGE
D
CEDARVILLE
F
CENTRALIA
D
CHADWICK
F
CHAMPAIGN
D
CHANDLERVILLE
F
CHANNAHAN
F
CHANNAHON
F
CHARLESTON
F
CHATHAM
D
CHEBANSE
D
CHENOA
F
CHERRY VALLEY
F
CHESTER
F
CHESTERFIELD
D
CHESTNUT
D
CHICAGO
F
CHICAGO HEIGHTS
D
CHICAGO RIDGE
D
CHILLICOTHE
F
CHILLLICOTHE
D
CHRISMAN
F
CICERO
F
CISCO
F
CISNE
D
CLARENDON HILLS
D
CLAY CITY
D
CLAYTON
F
CLIFTON
F
CLINTON
F
COAL CITY
F
COAL VALLEY
F
COLCHESTER
F
COLFAX
F
COLLINSVILLE
F
COLONA
F
COLP
F
COLUMBIA
D
COMPTON
D
CONCORD
F
CONGERVILLE
D
CORDOVA
F
CORTLAND
F
COULTERVILLE
D
COWDEN
D
CRAINVILLE
D
CREAL SPRINGS
F
CRESCENT CITY
D
CREST HILL
F
CRETE
F
CREVE COEUR
D
CRYSTAL LAKE
F
CUBA
F
CULLOM
F
CUTLER
F
DAHINDA
D
DAIRIEN
D
DALLAS CITY
D
DALTON CITY
F
DAMIANSVILLE
F
DANERS
D
DANFORTH
F
DANVERS
F
DANVILLE
D
DARIEN
F
DAVIS
D
DECATUR
F
DEER CREEK
D
DEER GROVE
F
DEERFIELD
F
DEKALB
F
DEKLAB
F
DELAND
F
DELAVAN
F
DEPUE
F
DES PLAINES
D
DESOTO
D
DESPLAINES
F
DEWITT
D
DIAMOND
F
DIETERICH
F
DIVERNON
D
DIXMOOR
F
DIXON
F
DOLTON
D
DONNELLSON
D
DONOVAN
F
DORCHESTER
D
DOWNERS GROVE
D
DOWNS
F
DUNDAS
D
DUNLAP
D
DUQUOIN
F
DURAND
F
DWIGHT
F
EAGARVILLE
F
EARLVILLE
F
EAST DUBUQUE
D
EAST HAZEL CREST
F
EAST LYNN
F
EAST MOLINE
F
EAST PEORIA
F
EAST ST LOUIS
D
EASTON
F
EDDYVILLE
F
EDELSTEIN
D
EDINBURG
F
EDWARDS
F
EDWARDSVILLE
F
EFFINGHAM
F
EL PASO
F
ELBURN
F
ELDORADO
F
ELGIN
F
ELIZABETH
D
ELIZABETHTOWN
D
ELK GROVE
D
ELK GROVE VILLAGE
F
ELKHART
F
ELKVILLE
D
ELLIOTT
D
ELLIS GROVE
D
ELLSWORTH
F
ELMHURST
F
ELMWOOD
F
ELMWOOD PARK
F
ELVASTON
D
ELWOOD
F
EMINGTON
F
ENFIELD
D
EOLA
D
ERIE
F
ESSEX
D
EUREKA
F
EVANSTON
F
EVANSVILLE
F
FAIRBURY
F
FAIRFIELD
D
FAIRMONT
D
FAIRVIEW HEIGHTS
D
FARINA
D
FARMER CITY
F
FARMINGTON
D
FENTON
F
FIELDON
D
FILLMORE
F
FINDLAY
F
FISHER
F
FITHIAN
F
FLANAGAN
D
FLAT ROCK
D
FLORA
D
FLOSSMOOR
D
FORD HEIGHTS
F
FOREST CITY
D
FOREST PARK
D
FOREST VIEW
F
FORSYTH
F
FOX LAKE
F
FOX RIVER GROVE
F
FRANKFORT
F
FRANKLIN
D
FRANKLIN GROVE
F
FRANKLIN PARK
D
FREEBURG
F
FREEMAN SPUR
F
FREEPORT
F
FULTON
F
GALENA
F
GALESBURG
D
GALVA
F
GARDEN HOMES
D
GARDEN PRAIRIE
F
GARDNER
F
GENESEO
F
GENEVA
F
GENOA
F
GEORGETOWN
F
GERMAN VALLEY
D
GIFFORD
D
GILLESPIE
F
GILMAN
F
GILSON
D
GIRARD
F
GLADSTONE
F
GLASFORD
F
GLEN CARBON
D
GLEN ELLYN
F
GLENCOE
F
GLENDALE HEIGHTS
D
GLENVIEW
F
GLENWOOD
D
GLISON
D
GODFREY
F
GODLEY
D
GOLCONDA
F
GOOD HOPE
D
GOODFIELD
F
GOREVILLE
D
GORHAM
D
GRAND RIDGE
F
GRAND TOWER
F
GRANVILLE
F
GRAYMONT
F
GRAYS LAKE
D
GRAYSLAKE
F
GREAT LAKES
D
GREEN OAKS
F
GREEN VALLEY
F
GREENFIELD
D
GREENVILLE
D
GRIDLEY
F
GULFPORT
D
GURNEE
F
HAMILTON
F
HAMMOND
F
HAMPSHIRE
F
HAMPTON
D
HANNA CITY
F
HANOVER
F
HANOVER PARK
F
HARDIN
D
HARDWOOD HEIGHTS
F
HARMON
F
HARRISBURG
F
HARTFORD
D
HARTSBURG
D
HARVARD
F
HARVEL
F
HARVEY
D
HAVANA
F
HAWTHORN WOODS
F
HAZEL CREST
F
HEBRON
F
HECKER
F
HENDERSON
F
HENNEPIN
F
HENRY
F
HERRICK
F
HETTICK
F
HICKORY HILLS
D
HIGHLAND
F
HIGHLAND PARK
F
HILLSBORO
D
HILLSDALE
D
HILLSIDE
D
HINCKLEY
F
HOFFMAN ESTATE
D
HOFFMAN ESTATES
D
HOLLOWAYVILLE
D
HOMER
D
HOMER GLEN
D
HOMETOWN
D
HOMEWOOD
F
HOOPESTON
F
HOPEDALE
D
HOPEWELL
F
HUDSON
F
HULL
D
HUMBOLDT
F
HUNTLEY
F
HURST
F
HUTSONVILLE
F
ILLINOIS CITY
D
ILLIOPOLIS
D
INDIAN HEAD PARK
F
INDUSTRY
F
INGLESIDE
F
IOLA
D
IPAVA
F
IROQUOIS
D
IRVING
D
ISLAND LAKE
D
ITASCA
D
IUKA
D
IVESDALE
D
JACKSONVILLE
D
JERSEYVILLE
D
JEWETT
F
JOHNSBURG
F
JOHNSTON CITY
F
JOLIET
F
JONESBORO
D
JOY
D
JUSTICE
D
KANEVILLE
D
KANKAKEE
F
KANSAS
F
KAPPA
D
KEENSBURG
D
KEITHSBURG
F
KEMPTON
F
KENILWORTH
D
KEWANEE
F
KEYESPORT
D
KILBOURNE
F
KINCAID
A
KINDERHOOK
D
KINGS
F
KINGSTON
F
KINGSTON MINES
F
KINMUNDY
D
KIRKLAND
F
KIRKWOOD
D
KNOXVILLE
F
LA GRANGE
D
LA HARPE
F
LA PRAIRIE
F
LA SALLE
D
LACON
D
LADD
F
LAFAYETTE
F
LAFOX
F
LAGRANGE PARK
F
LAKE BARRINGTON
F
LAKE BLUFF
F
LAKE CARROLL
D
LAKE FOREST
F
LAKE IN THE HILLS
F
LAKE VILLA
D
LAKE ZURICH
F
LAKEWOOD
D
LANARK
D
LANSING
F
LASALLE
D
LATHAM
F
LAWRENCEVILLE
F
LAWRENCVILLE
F
LE ROY
F
LEBANON
D
LEE
F
LELAND
D
LEMONT
F
LENA
F
LEROY
F
LEWISTOWN
D
LEXINGTON
F
LIBERTY
F
LIBERTYVILLE
F
LINCOLN
F
LINCOLNSHIRE
F
LINCOLONWOOD
F
LINCONWOOD
D
LINDENHURST
D
LINDENWOOD
F
LISLE
D
LITCHFIELD
D
LITTLE YORK
F
LITTLETON
F
LOAMI
D
LOCKPORT
F
LODA
D
LOMBARD
F
LONDON MILLS
D
LONG GROVE
F
LONGVIEW
F
LORAINE
F
LOSTANT
F
LOUISVILLE
D
LOVES PARK
F
LOWPOINT
D
LUDLOW
D
LYNDON
F
LYNN CENTER
F
LYNNVILLE
F
LYNWOOD
D
LYONS
F
MACHESNEY PARK
D
MACKINAW
D
MACOMB
F
MACON
F
MAEYSTOWN
F
MAHOMET
F
MAKANDA
D
MALDEN
F
MALTA
F
MANHATTAN
F
MANITO
F
MANSFIELD
D
MANTENO
D
MAPLE PARK
F
MAPLETON
F
MAQUON
D
MARENGO
F
MARION
D
MARK
F
MARKHAM
D
MAROA
F
MARSEILLES
F
MARTINSVILLE
D
MARTINTON
F
MARYVILLE
D
MASCOUTAH
D
MASON CITY
F
MATTESON
D
MATTOON
F
MAYWOOD
F
MAZON
D
MC LEAN
F
MCHENRY
F
MCLEANSBORO
F
MCNABB
F
MEDIA
F
MELROSE PARK
F
MENARD
A
MENDON
F
MENDOTA
F
MERNA
D
METAMORA
F
METAMORE
F
METROPOLIS
F
MIDDLETON
F
MIDLOTHIAN
F
MILAN
F
MILFORD
F
MILLBROOK
D
MILLEDGEVILLE
D
MILLSTADT
F
MILTON
F
MINERAL
F
MINIER
D
MINONK
F
MINOOKA
F
MODESTO
F
MOKENA
D
MOLINE
F
MOMENCE
F
MONEE
D
MONMOUTH
F
MONROE CENTER
F
MONTGOMERY
F
MONTICELLO
D
MOOSEHEART
F
MORRIS
F
MORRISON
F
MORRISONVILLE
F
MORTON
D
MORTON GROVE
F
MOUNDS
D
MOUNT AUBURN
D
MOUNT CARROLL
D
MOUNT ERIE
D
MOUNT MORRIS
F
MOUNT PROSPECT
D
MOUNT VERNON
D
MOUNT ZION
F
MOWEAQUA
F
MT CARMEL
D
MT CARROLL
F
MT VERNON
D
MT. AUBURN
D
MT. MORRIS
F
MT. OLIVE
D
MT. STERLING
D
MULBERRY GROVE
D
MUNDELEIN
F
MURPHYSBORO
F
NAPERVILLE
F
NASHVILLE
D
NAUVOO
F
NEBO
F
NELSON
F
NEOGA
D
NEPONSET
F
NEW ATHENS
A
NEW BADEN
D
NEW BERLIN
F
NEW BOSTON
F
NEW BURNSIDE
D
NEW DOUGLAS
D
NEW HAVEN
D
NEW LENOX
F
NEW MEMPHIS
D
NEW WINDSOR
F
NEWARK
F
NEWTON
F
NILES
D
NOBLE
D
NOKOMIS
D
NORMAL
F
NORRIS
D
NORRIS CITY
D
NORTH AURORA
F
NORTH CHICAGO
D
NORTH HENDERSON
D
NORTH LAKE
D
NORTH PEKIN
F
NORTH RIVERSIDE
F
NORTHBROOK
F
NORTHFIELD
F
NORWOOD PARK TOWNSHIP
F
O'FALLON
F
OAK BROOK
F
OAK LAWN
F
OAK PARK
F
OAKBROOK TERRACE
F
OAKLAND
F
OAKWOOD
D
ODELL
F
ODIN
D
OGDEN
D
OGLESBY
F
OHIO
F
OKAWVILLE
D
OLMSTED
D
OLNEY
D
OMAHA
D
ONARGA
F
ONEIDA
F
OQUAWKA
F
ORANGEVILLE
F
OREGON
F
ORIENT
D
ORION
F
ORLAND PARK
A
OSCO
D
OSWEGO
F
OTTAWA
F
OWANECO
D
PALATINE
F
PALMYRA
F
PALOMA
F
PALOS HEIGHTS
D
PALOS HILLS
D
PALOS PARK
F
PANA
D
PARIS
F
PARK CITY
F
PARK FOREST
D
PARK RIDGE
F
PARKERSBURG
D
PATOKA
D
PATTERSON
F
PAW PAW
D
PAWNEE
F
PAYSON
F
PEARL CITY
F
PECATONICA
F
PEKIN
F
PENFIELD
F
PEORIA
F
PEORIA HEIGHTS
D
PERCY
F
PERRY
D
PERU
F
PETERSBURG
D
PHOENIX
F
PIERRON
D
PINCKNEYVILLE
D
PINGREE GROVE
D
PIPER CITY
D
PITTSFIELD
D
PLAINFIELD
F
PLANO
F
POCAHONTAS
F
POLO
F
PONTIAC
D
POPLAR GROVE
F
PORT BARRINGTON
D
PORT BYRON
F
POSEN
F
POTOMAC
F
PRAIRIE CITY
F
PRAIRIE DU ROCHER
F
PRINCETON
D
PRINCEVILLE
F
PROPHETSTOWN
F
PROSPECT HEIGHTS
F
PULASKI
F
PUTNAM
D
QUINCY
F
RAMSEY
D
RANKIN
F
RANTOUL
F
RAPIDS CITY
D
RARITAN
F
RED BUD
F
REDDICK
D
RICHMOND
D
RICHTON PARK
F
RIDGE FARM
F
RIDGWAY
F
RIDOTT
F
RINGWOOD
D
RIO
D
RIVER FOREST
F
RIVER GROVE
F
RIVERDALE
F
RIVERSIDE
F
ROANOKE
D
ROBBINS
D
ROBERTS
F
ROCHELLE
F
ROCHESTER
D
ROCK FALLS
F
ROCK ISLAND
D
ROCKBRIDGE
F
ROCKDALE
F
ROCKFORD
D
ROCKTON
F
ROLLING MEADOWS
F
ROMEOVILLE
F
ROODHOUSE
F
ROSCOE
F
ROSELLE
F
ROSEVILLE
F
ROSSVILLE
F
ROUND LAKE
F
ROUND LAKE BEACH
F
ROUND LAKE PARK
F
ROYAL LAKES
F
RUSHVILLE
D
RUTLAND
D
SALEM
D
SAN JOSE
F
SANDOVAL
D
SANDWICH
F
SAUK VILLAGE
D
SAVANNA
F
SAWYERVILLE
F
SAYBROOK
D
SCALES MOUND
D
SCHAUMBERG
D
SCHAUMBURG
F
SCHILLER PARK
F
SCOTT AIR FORCE BASE
D
SECOR
F
SENECA
F
SENICA
D
SERENA
F
SEWARD
F
SEYMOUR
F
SHABBONA
D
SHANNON
F
SHEFFIELD
D
SHERIDAN
D
SHERRARD
F
SHIPMAN
F
SHIRLAND
F
SHOREWOOD
F
SIBLEY
F
SILVIS
F
SIMS
F
SKOKIE
F
SLEEPY HOLLOW
D
SMITHBORO
D
SMITHSHIRE
D
SMITHTON
D
SOMONAUK
F
SOUTH BARRINGTON
D
SOUTH BELOIT
F
SOUTH CHICAGO HEIGHTS
F
SOUTH ELGIN
F
SOUTH HOLLAND
F
SOUTH JACKSONVILLE
F
SOUTH WILMINGTON
F
SPARTA
F
SPRING BAY
D
SPRING GROVE
F
SPRING VALLEY
F
SPRINGERTON
F
SPRINGFIELD
F
ST ANNE
F
ST CHARLES
D
ST DAVID
F
ST ELMO
D
ST PETER
D
ST ROSE
F
ST. AUGUSTINE
A
ST. CHARLES
F
ST. DAVID
D
ST. JACOB
F
STANDARD
F
STANFORD
F
STAUNTON
F
STEELEVILLE
F
STEGER
F
STERLING
F
STEWARD
F
STEWARDSON
D
STICKNEY
F
STONEFORT
D
STRAWN
F
STREAMWOOD
D
STREATOR
D
SUBLETTE
F
SUGAR GROVE
F
SULLIVAN
D
SUMMERFIELD
D
SUMMIT
D
SWANSEA
F
SYCAMORE
F
TABLE GROVE
F
TAMPICO
F
TAYLOR RIDGE
F
TAYLOR SPRINGS
D
TAYLORVILLE
D
TECHNY
F
TEUTOPOLIS
D
THAYER
D
THEBES
D
THOMASBORO
F
THOMSON
F
TILDEN
D
TISKILWA
F
TOLUCA
F
TONICA
F
TOPEKA
F
TOULON
F
TOVEY
A
TOWANDA
F
TOWER HILL
D
TREMONT
F
TRENTON
F
TROUT VALLEY
D
TROY
F
UNION
F
UNION HILL
D
URBANA
F
URSA
F
UTICA
F
VALMEYER
F
VAN ORIN
F
VANDALIA
F
VARNA
F
VERGENNES
D
VERMILION
F
VERMONT
D
VERNON HILLS
F
VERSAILLES
D
VICTORIA
D
VIENNA
F
VILLA PARK
F
VIOLA
F
VIRDEN
F
VOLO
F
WADSWORTH
F
WAGGONER
F
WALNUT
F
WARRENSBURG
F
WARRENVILLE
D
WARSAW
D
WASCO
F
WASHBURN
D
WASHINGTON
F
WATAGA
F
WATERLOO
F
WATERMAN
F
WATSEKA
F
WAUCONDA
F
WAUKEGAN
F
WAVERLY
D
WAYNE CITY
D
WAYNESVILLE
F
WEDRON
F
WELDON
F
WENONA
F
WEST BROOKLYN
D
WEST CHICAGO
F
WEST DUNDEE
F
WEST FRANKFORT
D
WEST SALEM
D
WESTCHESTER
F
WESTERN SPRINGS
D
WESTFIELD
F
WESTMONT
F
WESTVILLE
F
WHEATON
F
WHEELING
D
WHITE HALL
F
WHITE HEATH
D
WILLIAMSFIELD
F
WILLISVILLE
D
WILLOW HILL
D
WILLOWBROOK
F
WILMETTE
D
WILMINGTON
F
WILSONVILLE
D
WINCHESTER
F
WINDSOR
F
WINFIELD
D
WINNEBAGO
F
WINNETKA
F
WINTHROP HARBOR
D
WOLF LAKE
D
WONDER LAKE
F
WOODHULL
F
WOODLAND
F
WOODLAWN
D
WOODRIDGE
D
WOODSTOCK
F
WOODSTOCK,
A
WORDEN
F
WORTH
F
WYANET
F
WYOMING
F
XENIA
D
YATES CITY
F
YORKVILLE
F
ZION
F