Septic service in Illinois
SepticTank.com covers 651 cities and towns in Illinois, home to about 10,687,038 people. The largest are Chicago, Aurora and Joliet.
Soil and climate differ across Illinois. In the 651 cities with local data so far, a median of 98% of nearby mapped soils are rated very limited for septic absorption fields, and yearly precipitation ranges from about 36 to 50 inches. Each city page shows the figures for that area.
Septic permits in Illinois are handled by state and county health or environmental agencies. Check with your county before installing, replacing or making major repairs to a system, and ask your septic company which rules apply to your property.
Choose your city or town to reach a septic company that serves it.
Largest cities: Chicago, Aurora, Joliet, Naperville, Rockford, Elgin
- Abingdon
- Addison
- Albers
- Albion
- Aledo
- Algonquin
- Alsip
- Altamont
- Alton
- Amboy
- Andalusia
- Anna
- Antioch
- Arcola
- Arlington Heights
- Arthur
- Ashland
- Assumption
- Athens
- Atlanta
- Atwood
- Auburn
- Aurora
- Aviston
- Bannockburn
- Barrington
- Barrington Hills
- Barry
- Bartlett
- Bartonville
- Batavia
- Beach Park
- Beardstown
- Beecher
- Belleville
- Bellevue
- Bellwood
- Belvidere
- Bement
- Benld
- Bensenville
- Benton
- Berkeley
- Berwyn
- Bethalto
- Bethany
- Big Rock
- Bloomingdale
- Bloomington
- Blue Island
- Blue Mound
- Bolingbrook
- Bourbonnais
- Bradley
- Braidwood
- Breese
- Bridgeport
- Bridgeview
- Brighton
- Broadview
- Brookfield
- Buffalo Grove
- Bull Valley
- Bunker Hill
- Burbank
- Burnham
- Burr Ridge
- Bushnell
- Byron
- Cahokia Heights
- Cairo
- Calumet City
- Calumet Park
- Cambria
- Cambridge
- Camp Point
- Campton Hills
- Canton
- Capron
- Carbon Cliff
- Carbondale
- Carlinville
- Carlyle
- Carmi
- Carol Stream
- Carpentersville
- Carrier Mills
- Carrollton
- Carterville
- Carthage
- Cary
- Casey
- Caseyville
- Catlin
- Central City
- Centralia
- Cerro Gordo
- Champaign
- Channahon
- Charleston
- Chatham
- Chatsworth
- Chebanse
- Chenoa
- Cherry Valley
- Chester
- Chicago
- Chicago Heights
- Chicago Ridge
- Chillicothe
- Chrisman
- Christopher
- Cicero
- Clarendon Hills
- Clifton
- Clinton
- Coal City
- Coal Valley
- Cobden
- Colchester
- Collinsville
- Colona
- Columbia
- Cortland
- Country Club Hills
- Countryside
- Crainville
- Crest Hill
- Crestwood
- Crete
- Creve Coeur
- Crystal Lake
- Cuba
- Danvers
- Danville
- Darien
- Davis Junction
- De Pue
- De Soto
- Decatur
- Deer Park
- Deerfield
- DeKalb
- Delavan
- Des Plaines
- Diamond
- Divernon
- Dixmoor
- Dixon
- Dolton
- Downers Grove
- Downs
- Du Quoin
- Dunlap
- Dupo
- Durand
- Dwight
- Earlville
- East Alton
- East Dubuque
- East Dundee
- East Hazel Crest
- East Moline
- East Peoria
- East St. Louis
- Edinburg
- Edwardsville
- Effingham
- El Paso
- Elburn
- Eldorado
- Elgin
- Elk Grove Village
- Elmhurst
- Elmwood
- Elmwood Park
- Elwood
- Erie
- Eureka
- Evanston
- Evergreen Park
- Fairbury
- Fairfield
- Fairmont City
- Fairview Heights
- Farmer City
- Farmington
- Fisher
- Flora
- Flossmoor
- Ford Heights
- Forest Park
- Forrest
- Forreston
- Forsyth
- Fox Lake
- Fox River Grove
- Frankfort
- Franklin Park
- Freeburg
- Freeport
- Fulton
- Galena
- Galesburg
- Galva
- Gardner
- Geneseo
- Geneva
- Genoa
- Georgetown
- Germantown
- Germantown Hills
- Gibson City
- Gilberts
- Gillespie
- Gilman
- Girard
- Glen Carbon
- Glen Ellyn
- Glencoe
- Glendale Heights
- Glenview
- Glenwood
- Godfrey
- Goreville
- Grandview
- Granite City
- Grant Park
- Granville
- Grayslake
- Grayville
- Green Oaks
- Greenfield
- Greenup
- Greenville
- Gridley
- Griggsville
- Gurnee
- Hainesville
- Hamilton
- Hampshire
- Hampton
- Hanna City
- Hanover Park
- Harrisburg
- Harristown
- Hartford
- Harvard
- Harvey
- Harwood Heights
- Havana
- Hawthorn Woods
- Hazel Crest
- Hebron
- Henry
- Herrin
- Herscher
- Heyworth
- Hickory Hills
- Highland
- Highland Park
- Highwood
- Hillcrest
- Hillsboro
- Hillside
- Hinckley
- Hinsdale
- Hodgkins
- Hoffman Estates
- Homer
- Homer Glen
- Hometown
- Homewood
- Hoopeston
- Hudson
- Huntley
- Ina
- Indian Head Park
- Inverness
- Island Lake
- Itasca
- Jacksonville
- Jerome
- Jerseyville
- Johnsburg
- Johnston City
- Joliet
- Jonesboro
- Justice
- Kankakee
- Kenilworth
- Kewanee
- Kildeer
- Kincaid
- Kingston
- Kirkland
- Knoxville
- La Grange
- La Grange Park
- La Harpe
- Lacon
- Ladd
- Lake Barrington
- Lake Bluff
- Lake Forest
- Lake in the Hills
- Lake Villa
- Lake Zurich
- Lakemoor
- Lakewood
- Lanark
- Lansing
- LaSalle
- Lawrenceville
- Le Roy
- Lebanon
- Leland Grove
- Lemont
- Lena
- Lewistown
- Lexington
- Libertyville
- Lily Lake
- Limestone
- Lincoln
- Lincolnshire
- Lincolnwood
- Lindenhurst
- Lisle
- Litchfield
- Lockport
- Lombard
- Long Creek
- Long Grove
- Louisville
- Loves Park
- Lovington
- Lynwood
- Lyons
- Machesney Park
- Mackinaw
- Macomb
- Macon
- Madison
- Mahomet
- Malta
- Manhattan
- Manito
- Manteno
- Maple Park
- Marengo
- Marion
- Marissa
- Markham
- Maroa
- Marquette Heights
- Marseilles
- Marshall
- Martinsville
- Maryville
- Mascoutah
- Mason City
- Matteson
- Mattoon
- Maywood
- McHenry
- McLeansboro
- Melrose Park
- Mendota
- Merrionette Park
- Metamora
- Metropolis
- Midlothian
- Milan
- Milford
- Milledgeville
- Millstadt
- Minier
- Minonk
- Minooka
- Mokena
- Moline
- Momence
- Monee
- Monmouth
- Montgomery
- Monticello
- Morris
- Morrison
- Morton
- Morton Grove
- Mount Carmel
- Mount Carroll
- Mount Morris
- Mount Olive
- Mount Prospect
- Mount Pulaski
- Mount Sterling
- Mount Vernon
- Mount Zion
- Moweaqua
- Mundelein
- Murphysboro
- Naperville
- Nashville
- Neoga
- New Athens
- New Baden
- New Berlin
- New Lenox
- Newton
- Niles
- Nokomis
- Normal
- Norridge
- Norris City
- North Aurora
- North Barrington
- North Chicago
- North Pekin
- North Riverside
- North Utica
- Northbrook
- Northfield
- Northlake
- O'Fallon
- Oak Brook
- Oak Forest
- Oak Lawn
- Oak Park
- Oakbrook Terrace
- Oakwood
- Oakwood Hills
- Oblong
- Oglesby
- Okawville
- Olney
- Olympia Fields
- Onarga
- Oquawka
- Oregon
- Orion
- Orland Hills
- Orland Park
- Oswego
- Ottawa
- Palatine
- Palestine
- Palos Heights
- Palos Hills
- Palos Park
- Pana
- Paris
- Park City
- Park Forest
- Park Ridge
- Pawnee
- Paxton
- Payson
- Pecatonica
- Pekin
- Peoria
- Peoria Heights
- Peotone
- Peru
- Petersburg
- Philo
- Phoenix
- Pinckneyville
- Pingree Grove
- Pittsfield
- Plainfield
- Plano
- Polo
- Pontiac
- Pontoon Beach
- Poplar Grove
- Port Barrington
- Port Byron
- Posen
- Prairie Grove
- Princeton
- Princeville
- Prophetstown
- Prospect Heights
- Quincy
- Rantoul
- Red Bud
- Richmond
- Richton Park
- River Forest
- River Grove
- Riverdale
- Riverside
- Riverton
- Riverwoods
- Roanoke
- Robbins
- Robinson
- Rochelle
- Rochester
- Rock Falls
- Rock Island
- Rockdale
- Rockford
- Rockton
- Rolling Meadows
- Romeoville
- Roodhouse
- Roscoe
- Roselle
- Rosemont
- Rossville
- Round Lake
- Round Lake Beach
- Round Lake Heights
- Round Lake Park
- Roxana
- Royalton
- Rushville
- Salem
- Sandoval
- Sandwich
- Sauk Village
- Savanna
- Savoy
- Schaumburg
- Schiller Park
- Seneca
- Sesser
- Shelbyville
- Sheridan
- Sherman
- Shiloh
- Shorewood
- Sidney
- Silvis
- Skokie
- Sleepy Hollow
- Smithton
- Somonauk
- South Barrington
- South Beloit
- South Chicago Heights
- South Elgin
- South Holland
- South Jacksonville
- South Roxana
- Southern View
- Sparta
- Spring Grove
- Spring Valley
- Springfield
- St. Anne
- St. Charles
- St. Elmo
- St. Jacob
- St. Joseph
- Staunton
- Steeleville
- Steger
- Sterling
- Stickney
- Stillman Valley
- Stockton
- Stone Park
- Streamwood
- Streator
- Sugar Grove
- Sullivan
- Summit
- Sumner
- Swansea
- Sycamore
- Taylorville
- Teutopolis
- Third Lake
- Thomson
- Thornton
- Tilton
- Tinley Park
- Toledo
- Tolono
- Toluca
- Toulon
- Tower Lakes
- Tremont
- Trenton
- Troy
- Tuscola
- University Park
- Urbana
- Valmeyer
- Vandalia
- Venice
- Vernon Hills
- Vienna
- Villa Grove
- Villa Park
- Virden
- Virginia
- Volo
- Wadsworth
- Walnut
- Warren
- Warrensburg
- Warrenville
- Warsaw
- Washburn
- Washington
- Washington Park
- Waterloo
- Waterman
- Watseka
- Wauconda
- Waukegan
- Waverly
- Wayne
- West Chicago
- West Dundee
- West Frankfort
- West Peoria
- Westchester
- Western Springs
- Westmont
- Westville
- Wheaton
- Wheeling
- White Hall
- Williamsville
- Willow Springs
- Willowbrook
- Wilmette
- Wilmington
- Winchester
- Windsor
- Winfield
- Winnebago
- Winnetka
- Winthrop Harbor
- Wonder Lake
- Wood Dale
- Wood River
- Woodridge
- Woodstock
- Worden
- Worth
- Wyoming
- Yorkville
- Zeigler
- Zion