PFAS in Ohio water

The EPA tested public water systems across Ohio for 29 PFAS. In 59 of them, at least one came back above a federal limit. Find your system below — you'll get the actual levels, our plain verdict on each compound, and the filter that genuinely removes it. We sell nothing.

Not listed? Your system may not have been sampled, or nothing exceeded a limit — see the national picture.

• Akron City Pws 1 over the limit
• Aqua Ohio - Lawrence County 1 over the limit
• Barnesville, Oh 1 over the limit
• Bellbrook Water Works 1 over the limit
• Bethel Village Pws 1 over the limit
• Bexley City Pws 1 over the limit
• Caldwell Village Pws 1 over the limit
• Cambridge, City Of 1 over the limit
• Canfield City Pws 2 over the limit
• Cincinnati Public Water System 1 over the limit
• Clermont Public Water System 1 over the limit
• Columbus Public Water System 1 over the limit
• Dayton Public Water System 1 over the limit
• Dayton Va Bldg 410 2 over the limit
• Del-Co Water Company, Inc. 1 over the limit
• Franklin Public Water System 1 over the limit
• Gallia Co Rural Water Association 1 over the limit
• Gallipolis Pws 1 over the limit
• Georgetown Village Pws 1 over the limit
• Girard City Pws 2 over the limit
• Grandview Medical Center Pws 2 over the limit
• Greenville City Pws 1 over the limit
• Guernsey Co. Water Dept. 1 over the limit
• Hamilton Public Water System 1 over the limit
• Hecla Water Association-Plant Pws 1 over the limit
• Indian Hill City Pws 1 over the limit
• Ironton Pws 1 over the limit
• Jackson/Milton Metro Water District Pws 1 over the limit
• Kings Island Pws 1 over the limit
• Leading Creek Conservancy District 1 over the limit
• Lordstown Village Pws 1 over the limit
• Loveland City Pws 1 over the limit
• Marietta City Pws 2 over the limit
• Martins Ferry Public Water System 1 over the limit
• Mcdonald Village Pws 2 over the limit
• Middletown City Pws 1 over the limit
• Milford City Pws 2 over the limit
• Montgomery County Water Services 1 Pws 2 over the limit
• Montgomery County Water Services 2 Pws 1 over the limit
• Newton Falls City 2 over the limit
• Niles City Pws 1 over the limit
• Portsmouth Public Water System 1 over the limit
• Putnam Community Water Association Pws 1 over the limit
• Sanitary District #4 1 over the limit
• Shadyside Public Water System 2 over the limit
• Springboro Pws 2 over the limit
• St. Clairsville, City Of Pws 1 over the limit
• Tate-Monroe Water Association Pws 1 over the limit
• Trumbull Co.-Howland Twp Pws 2 over the limit
• Trumbull Co.-Southeast Pws 1 over the limit
• Union City Pws 1 over the limit
• Warren Comm W And S Assn 2 1 over the limit
• Western Water Company 1 over the limit
• Wilmington City Pws 1 over the limit
• Wooster City Pws 1 over the limit
• Wright-Patterson Afb Area A Pws 2 over the limit
• Wright-Patterson Afb Area B Pws 3 over the limit
• Yellow Springs Village Pws 1 over the limit
• Youngstown City Pws 1 over the limit

Source: US EPA UCMR 5 occurrence data, 2023–2025. · All states