Water quality by city
Water quality in Ohio
EPA drinking-water records for 677 public water systems across 408 Ohio cities — the contaminants found and the certified filters that remove them. Pick your city for its full report.
Know your ZIP? Go straight to your water report.
Check by ZIP → Akron 12 systems Cincinnati ·PFAS 10 systems Columbus ·PFAS 10 systems Bowling Green ·PFAS 8 systems Cleveland ·PFAS 8 systems Dayton ·PFAS 8 systems Defiance ·PFAS 8 systems Wooster ·PFAS 8 systems Chagrin Falls 7 systems Chardon 7 systems Chesterland 7 systems Canton 6 systems Hamilton ·PFAS 6 systems Lebanon ·PFAS 6 systems Ravenna ·PFAS 6 systems Delaware ·PFAS 5 systems Westerville ·PFAS 5 systems Batavia ·PFAS 4 systems Kent ·PFAS 4 systems Logan 4 systems Mansfield 4 systems Norwalk ·PFAS 4 systems Steubenville ·PFAS 4 systems Athens 3 systems Barnesville ·PFAS 3 systems Caldwell ·PFAS 3 systems Canfield ·PFAS 3 systems Cortland 3 systems Dublin 3 systems Fostoria 3 systems Fremont 3 systems Huber Heights 3 systems Huron 3 systems Ironton ·PFAS 3 systems Lancaster 3 systems Louisville ·PFAS 3 systems Marietta ·PFAS 3 systems Marion 3 systems Massillon ·PFAS 3 systems Mentor 3 systems Miamisburg ·PFAS 3 systems Millersburg 3 systems Napoleon ·PFAS 3 systems Navarre 3 systems New Lexington 3 systems Port Clinton ·PFAS 3 systems Springfield 3 systems Tipp City 3 systems Urbana ·PFAS 3 systems Vienna ·PFAS 3 systems Warren ·PFAS 3 systems West Liberty 3 systems Westlake 3 systems Williamsport 3 systems Alliance ·PFAS 2 systems Arcanum 2 systems Ashland 2 systems Ashville 2 systems Beavercreek 2 systems Blacklick 2 systems Bryan 2 systems Burton 2 systems Cambridge ·PFAS 2 systems Canal Winchester 2 systems Carey 2 systems Carrollton 2 systems Celina ·PFAS 2 systems Chillicothe ·PFAS 2 systems Circleville 2 systems Coldwater 2 systems Creston 2 systems Crooksville 2 systems Cuyahoga Falls 2 systems Delphos 2 systems Dover 2 systems East Liberty 2 systems Eaton 2 systems Enon 2 systems Fairfield ·PFAS 2 systems Fayetteville ·PFAS 2 systems Findlay 2 systems Franklin Furnace ·PFAS 2 systems Galion ·PFAS 2 systems Gallipolis ·PFAS 2 systems Germantown 2 systems Greenville ·PFAS 2 systems Hartville 2 systems Hilliard 2 systems Hillsboro 2 systems Hopedale 2 systems Hubbard ·PFAS 2 systems Jackson ·PFAS 2 systems Kettering ·PFAS 2 systems Kingston 2 systems Lagrange ·PFAS 2 systems Lima ·PFAS 2 systems Lockbourne 2 systems London 2 systems Lorain 2 systems Malvern 2 systems Marysville 2 systems Mason 2 systems Middlefield 2 systems Minerva 2 systems Mogadore 2 systems Montpelier 2 systems Morrow ·PFAS 2 systems Mount Vernon 2 systems New Paris 2 systems New Philadelphia 2 systems Newcomerstown 2 systems Niles ·PFAS 2 systems Norton 2 systems Oak Harbor 2 systems Oakwood ·PFAS 2 systems Ottawa ·PFAS 2 systems Painesville 2 systems Pataskala ·PFAS 2 systems Plain City 2 systems Rayland 2 systems Salem 2 systems Shelby ·PFAS 2 systems Shreve 2 systems St. Clairsville ·PFAS 2 systems Trenton ·PFAS 2 systems Wadsworth 2 systems Washington Court House 2 systems Waverly ·PFAS 2 systems Waynesville 2 systems Wellston ·PFAS 2 systems Wellsville 2 systems Whitehouse ·PFAS 2 systems Youngstown ·PFAS 2 systems Ada 1 system Addyston 1 system Albany 1 system Alger 1 system Amherst 1 system Andover 1 system Arcadia 1 system Archbold 1 system Ashtabula 1 system Attica 1 system Atwater 1 system Aurora 1 system Avon 1 system Avon Lake 1 system Baltimore 1 system Bedford 1 system Bellaire ·PFAS 1 system Bellbrook ·PFAS 1 system Bellefontaine ·PFAS 1 system Bellevue ·PFAS 1 system Bellville 1 system Beloit 1 system Belpre ·PFAS 1 system Berea 1 system Bethel ·PFAS 1 system Bethesda 1 system Bettsville 1 system Bexley ·PFAS 1 system Big Prairie 1 system Bluffton ·PFAS 1 system Bradford 1 system Brilliant 1 system Brookville ·PFAS 1 system Buckeye Lake 1 system Bucyrus 1 system Byesville 1 system Cadia 1 system Cadiz 1 system Camden 1 system Canal Fulton 1 system Cedarville 1 system Cleveland Heights 1 system Cleves 1 system Clyde ·PFAS 1 system Coalton 1 system Columbia Station 1 system Columbiana 1 system Columbus Grove 1 system Commercial Point ·PFAS 1 system Conneaut 1 system Continental 1 system Coolville 1 system Copley 1 system Coshocton 1 system Crestline 1 system Delta ·PFAS 1 system Dennison 1 system Dunbridge 1 system Dunfalls 1 system East Canton 1 system East Cleveland 1 system East Liverpool ·PFAS 1 system East Palestine 1 system East Sparta 1 system Elida ·PFAS 1 system Elmore 1 system Englewood 1 system Fairport Harbor 1 system Forest 1 system Fort Jennings 1 system Fowler 1 system Franklin ·PFAS 1 system Fredricktown 1 system Galloway 1 system Garrettsville 1 system Geneva 1 system Genoa 1 system Georgetown ·PFAS 1 system Gibsonburg 1 system Girard ·PFAS 1 system Glandorf 1 system Glenford 1 system Glenmont 1 system Glouster 1 system Gnadenhutten 1 system Grafton 1 system Granville 1 system Green Springs 1 system Greenfield 1 system Grove City 1 system Hamden 1 system Hamler 1 system Harrison 1 system Harrod 1 system Heath 1 system Hebron 1 system Hicksville 1 system Hinckley 1 system Holgate 1 system Holloway 1 system Holmesville 1 system Homeworth 1 system Hudson 1 system Jamestown 1 system Jefferson 1 system Jeffersonville 1 system Jewett 1 system Johnstown 1 system Kenton 1 system Kidron 1 system Killbuck 1 system Kings Island ·PFAS 1 system Laings 1 system Lake Milton 1 system Lakeview 1 system Lakeville 1 system Lakewood 1 system Laura 1 system Lees Creek 1 system Leipsic 1 system Lewisburg 1 system Lexington 1 system Lithopolis 1 system Little Hocking 1 system Lockland 1 system Long Bottom 1 system Lordstown ·PFAS 1 system Loudonville 1 system Loveland ·PFAS 1 system Lucasville ·PFAS 1 system Lyons 1 system Manchester 1 system Marblehead 1 system Martins Ferry ·PFAS 1 system Masury 1 system Maumee 1 system Mcarthur 1 system Mcdermott ·PFAS 1 system Mcdonald ·PFAS 1 system Mcguffey 1 system Medina ·PFAS 1 system Middleport 1 system Milan 1 system Milford ·PFAS 1 system Millfield 1 system Mingo Junction 1 system Monroe 1 system Mount Orab ·PFAS 1 system Mt Gilead 1 system Mt Pleasant 1 system Mt Vernon 1 system Munroe Falls 1 system N Canton 1 system Nashport 1 system Nelsonville 1 system New Albany 1 system New Bremen 1 system New Carlisle ·PFAS 1 system New Knoxville 1 system New Lebanon 1 system New Richmond ·PFAS 1 system Newark ·PFAS 1 system Newbury 1 system Newport 1 system Newton Falls ·PFAS 1 system North Baltimore ·PFAS 1 system North Benton 1 system North Canton 1 system North Ridgeville 1 system Northfield 1 system Norwood 1 system Novelty 1 system Oak Hill 1 system Obetz 1 system Ontario 1 system Oregon ·PFAS 1 system Orville 1 system Parkman 1 system Paulding ·PFAS 1 system Pemberville 1 system Peninsula 1 system Pepper Pike 1 system Perrysburg 1 system Pickerington 1 system Piqua ·PFAS 1 system Pomeroy 1 system Port Washington 1 system Portsmouth ·PFAS 1 system Put-In-Bay 1 system Racine 1 system Randolph 1 system Reading ·PFAS 1 system Reynoldsburg ·PFAS 1 system Richfield 1 system Richwood 1 system Ripley 1 system Rittman 1 system Rock Creek 1 system Rockford 1 system Rossburg 1 system Rushsylvania 1 system Rushville 1 system Rutland ·PFAS 1 system Sabina 1 system Sandusky 1 system Sardinia 1 system Scio 1 system Scottown 1 system Sebring 1 system Seville 1 system Shawnee 1 system Sheffield Lake 1 system Sheffield Village 1 system Sidney 1 system Somerville ·PFAS 1 system South Bloomfield 1 system South Lebanon 1 system South Point ·PFAS 1 system South Solon 1 system South Vienna 1 system Springboro ·PFAS 1 system St Marys 1 system Sterling 1 system Stockport 1 system Stow 1 system Streetsboro 1 system Struthers 1 system Sugarcreek 1 system Swanton 1 system Sylvania 1 system Syracuse 1 system Tallmadge 1 system Tiffin 1 system Toledo ·PFAS 1 system Toronto ·PFAS 1 system Trotwood ·PFAS 1 system Troy 1 system Union ·PFAS 1 system Uniontown 1 system Upper Sandusky 1 system Van Wert 1 system Vandalia 1 system Vermilion 1 system W. Alexandria 1 system Walnut Creek 1 system Wapakoneta 1 system Warsaw 1 system Washingtonville 1 system Waterford ·PFAS 1 system Waterville ·PFAS 1 system Wauseon 1 system Wauseon, ·PFAS 1 system Waynesburg 1 system Waynesfield 1 system Wellington 1 system West Alexandria 1 system West Farmington 1 system West Jefferson 1 system West Milton 1 system West Union 1 system White Cottage ·PFAS 1 system Willard 1 system Williamsburg 1 system Willshire 1 system Wilmington ·PFAS 1 system Wilmot 1 system Winesburg 1 system Winona 1 system Wintersville 1 system Woodsfield 1 system Xenia 1 system Yellow Springs ·PFAS 1 system Yorkville 1 system Zaleski 1 system Zanesville ·PFAS 1 system