Home / OH
OH · By city
OH tap water quality, city by city
590 cities and towns in OH are served by an active community water system in the EPA's records. Each page below translates that system's EPA-reported history into plain English.
According to EPA SDWIS data, retrieved June 2026.
- Ada
- Addyston
- Adena
- Akron
- Albany
- Alexandria
- Alger
- Alliance
- Amanda
- Amesville
- Amherst
- Andover
- Anna
- Ansonia
- Antwerp
- Arcadia
- Arcanum
- Archbold
- Arlington
- Ashland
- Ashley
- Ashtabula
- Ashville
- Athens
- Attica
- Aurora
- Avon
- Avon Lake
- Bainbridge
- Baltimore
- Barnesville
- Batavia
- Beach City
- Beaver
- Beavercreek
- Beaverdam
- Bedford
- Beechwood
- Bellaire
- Bellbrook
- Belle Center
- Belle Valley
- Bellefontaine
- Bellevue
- Bellville
- Belmont
- Beloit
- Belpre
- Berea
- Berlin
- Berlin
- Bethel
- Bethesda
- Bettsville
- Bexley
- Big Prairie
- Blacklick
- Bloomingburg
- Bloomville
- Bluffton
- Bolivar
- Botkins
- Bowerston
- Bowersville
- Bowling Green
- Bradford
- Bradner
- Bremen
- Brewster
- Bridgeport
- Brilliant
- Brimfield
- Brookfield
- Brookville
- Bryan
- Buckeye Lake
- Bucyrus
- Burbank
- Burton
- Butler
- Byesville
- Cadia
- Cadiz
- Caldwell
- Cambridge
- Camden
- Canal Fulton
- Canal Winchester
- Canfield
- Canton
- Carbon Hill
- Cardington
- Carey
- Carlisle
- Carroll
- Carrollton
- Cedarville
- Celina
- Chagrin Falls
- Chardon
- Chauncey
- Chesterhill
- Chesterland
- Chickasaw
- Chillicothe
- Christiansburg
- Cincinnati
- Circleville
- Clarington
- Clarksburg
- Clarksville
- Cleveland
- Cleves
- Clinton
- Cloverdale
- Clyde
- Coalton
- Coldwater
- College Corner
- Columbia Station
- Columbiana
- Columbus
- Columbus Grove
- Commercial Point
- Conneaut
- Convoy
- Coolville
- Corning
- Cortland
- Coshocton
- Covington
- Crestline
- Creston
- Criderville
- Crooksville
- Cuyahoga Falls
- Dalton
- Danville
- Dayton
- Defiance
- Degraff
- Delaware
- Delphos
- Delta
- Dennison
- Deshler
- Dover
- Doylestown
- Dresden
- Dublin
- Dunfalls
- Dunkirk
- East Liverpool
- East Palestine
- East Sparta
- Eaton
- Edgerton
- Edon
- Eldorado
- Elida
- Elmore
- Englewood
- Enon
- Fairfield
- Fairport Harbor
- Fayette
- Fayetteville
- Felicity
- Findlay
- Fletcher
- Florida
- Flushing
- Forest
- Fort Loramie
- Fort Recovery
- Fostoria
- Fowler
- Frankfort
- Franklin
- Franklin Furnace
- Franlin Furnace
- Frazeysburg
- Fredericksburg
- Fredericktown
- Fredricktown
- Freeport
- Fremont
- Galion
- Gallipolis
- Gambier
- Garrettsville
- Geneva
- Genoa
- Georgetown
- Germantown
- Gettysburg
- Gibsonburg
- Girard
- Glandorf
- Glendale
- Glenford
- Glenmont
- Glouster
- Gnadenhutten
- Grafton
- Grand Rapids
- Granville
- Gratis
- Green Springs
- Greenfield
- Greenville
- Greenwich
- Grove City
- Groveport
- Hamden
- Hamersville
- Hamilton
- Hamler
- Harrison
- Harrisville
- Harrod
- Hartville
- Hayesville
- Heath
- Hebron
- Hicksville
- Hillsboro
- Hinckley
- Hiram
- Holgate
- Holloway
- Holmesville
- Hopedale
- Hubbard
- Huber Heights
- Hudson
- Huntsburg
- Huron
- Independence
- Ironton
- Irwin
- Jackson
- Jackson Center
- Jacksonville
- Jamestown
- Jefferson
- Jeffersonville
- Jeromesville
- Jerusalem
- Jewett
- Johnstown
- Junction City
- Kalida
- Kelleys Island
- Kent
- Kenton
- Kettering
- Killbuck
- Kingston
- Kinsman
- Lagrange
- Laings
- Lakemore
- Lakeview
- Lakeville
- Lakewood
- Lancaster
- Laura
- Laurelville
- Lebanon
- Leipsic
- Lewis Center
- Lewisburg
- Lexington
- Liberty Center
- Liberty Township
- Lima
- Lindsey
- Lisbon
- Lithopolis
- Little Hocking
- Lockbourne
- Lockland
- Lodi
- Logan
- London
- Long Bottom
- Lorain
- Lordstown
- Loudonville
- Louisville
- Loveland
- Lowell
- Lucas
- Lucasville
- Lynchburg
- Lyons
- Magnolia
- Malinta
- Malta
- Malvern
- Manchester
- Mansfield
- Mantua
- Marblehead
- Marietta
- Marion
- Marshallville
- Martins Ferry
- Martinsburg
- Marysville
- Massillon
- Masury
- Maumee
- Mcarthur
- Mcconnelsville
- Mcdermott
- Mcdonald
- Mcguffey
- Mconnelsville
- Mechanicsburg
- Medina
- Mentor
- Miamisburg
- Middle Point
- Middleburg Heights
- Middlefield
- Middleport
- Middletown
- Milan
- Milford
- Milford Center
- Millersburg
- Millersport
- Millfield
- Minerva
- Mingo Junction
- Minster
- Mogadore
- Monroe
- Monroeville
- Montpelier
- Moreland Hills
- Morristown
- Morrow
- Mount Gillead
- Mount Orab
- Mount Sterling
- Mount Vernon
- Mt Blanchard
- Mt Gilead
- Mt Pleasant
- Mt Victory
- Munroe Falls
- Murray City
- N Canton
- Napoleon
- Navarre
- Nelsonville
- Nevada
- New Athens
- New Bremen
- New Carlisle
- New Concord
- New Holland
- New Knoxville
- New Lebanon
- New Lexington
- New London
- New Matamoras
- New Miami
- New Paris
- New Philadelphia
- New Richmond
- New Straitsville
- New Vienna
- New Waterford
- Newark
- Newbury
- Newcomerstown
- Newport
- Newton Falls
- Ney
- Niles
- North Baltimore
- North Canton
- North Fairfield
- North Hampton
- North Lewisburg
- North Ridgeville
- Northfield
- Norton
- Norwalk
- Norwood
- Oak Harbor
- Oak Hill
- Oakwood
- Obetz
- Ohio City
- Olmsted Twp
- Ontario
- Oregon
- Orwell
- Ottawa
- Ottoville
- Painesville
- Pandora
- Pataskala
- Paulding
- Payne
- Peebles
- Pemberville
- Peninsula
- Perrysburg
- Perrysville
- Phillipsburg
- Philo
- Pickerington
- Piketon
- Pioneer
- Piqua
- Pleasant City
- Pleasant Hill
- Pleasantville
- Plymouth
- Pomeroy
- Port Clinton
- Portsmouth
- Powhatan Point
- Powhattan Point
- Proctorville
- Put-In-Bay
- Quaker City
- Quincy
- Racine
- Ravenna
- Rawson
- Rayland
- Reading
- Republic
- Reynoldsburg
- Richwood
- Rio Grande
- Ripley
- Rittman
- Roaming Shores
- Rock Creek
- Rockford
- Rocky River
- Roseville
- Rossburg
- Rushsylvania
- Rushville
- Russells Point
- Russia
- Rutland
- Sabina
- Sagamore Hills
- Saint Paris
- Salem
- Sandusky
- Sarahsville
- Sardinia
- Sardis
- Scio
- Seaman
- Sebring
- Seven Mile
- Seville
- Shawnee
- Sheffield Lake
- Sheffield Village
- Shelby
- Sherwood
- Shiloh
- Shreve
- Sidney
- Silver Lake
- Somerset
- Somerville
- South Amherst
- South Bloomfield
- South Charleston
- South Euclid
- South Lebanon
- South Point
- South Solon
- South Vienna
- Southpoint
- Spencer
- Spencerville
- Spring Valley
- Springboro
- Springfield
- St Henry
- St Marys
- St. Clairsville
- Steubenville
- Stockport
- Stow
- Strasburg
- Streetsboro
- Strongsville
- Struthers
- Sugar Grove
- Sugarcreek
- Swanton
- Sycamore
- Sylvania
- Syracuse
- Tallmadge
- Thompson
- Thornville
- Thurston
- Tiltonsville
- Tipp City
- Toledo
- Tontogany
- Toronto
- Trenton
- Trimble
- Trotwood
- Troy
- Tuscarawas
- Union
- Upper Sandusky
- Urbana
- Utica
- Van Wert
- Vandalia
- Vanlue
- Vermilion
- Verona
- Versailles
- Vienna
- W Salem
- W. Alexandria
- Wadsworth
- Wakeman
- Walnut Creek
- Wapakoneta
- Warren
- Warsaw
- Washington Court House
- Washingtonville
- Waterford
- Waterville
- Wauseon
- Waverly
- Wayne
- Waynesburg
- Waynesfield
- Waynesville
- Wellington
- Wellston
- Wellsville
- West Alexandria
- West Chester
- West Farmington
- West Jefferson
- West Lafayette
- West Liberty
- West Manchester
- West Mansfield
- West Milton
- West Salem
- West Union
- West Unity
- Westerville
- White Cottage
- Whitehouse
- Willard
- Williamsburg
- Williamsport
- Willshire
- Wilmington
- Wilmot
- Windham
- Winesburg
- Wintersville
- Woodsfield
- Woodstock
- Woodville
- Wooster
- Xenia
- Yellow Springs
- Yorkville
- Youngstown
- Zaleski
- Zanesville