City overview · Hamilton County
PFAS in Cincinnati, OH
High RiskEPA UCMR 5 tested 7 public water systems serving the Cincinnati area across 46 ZIP codes. At least one utility serving Cincinnati has PFAS above the EPA's enforceable limit.
Plain English
01What this means for Cincinnati
Across the 7 public water systems tested in the Cincinnati area under EPA UCMR 5, one or more measured a PFAS compound above the federal Maximum Contaminant Level. Contamination varies by utility and neighborhood — find your exact ZIP code below to see the system that serves you. If you're in an affected area, an NSF/ANSI 53 or 58 certified filter (carbon block or reverse osmosis) is the most reliable way to reduce PFAS at the tap.
By utility
02Water systems serving Cincinnati
- High Risk
INDIAN HILL CITY PWS
5 detected · 1 above limit · PWSID OH3101112
- High Risk
CINCINNATI PUBLIC WATER SYSTEM
3 detected · 1 above limit · PWSID OH3102612
- High Risk
CLERMONT PUBLIC WATER SYSTEM
3 detected · 1 above limit · PWSID OH1302212
- Low Level
CINCINNATI CHILDRENS HOSP IONIZATION SYS
3 detected · 0 above limit · PWSID OH3139912
- Low Level
BUTLER CO. WATER DISTRICT 2 PWS
2 detected · 0 above limit · PWSID OH0900303
- Low Level
READING CITY PWS
1 detected · 0 above limit · PWSID OH3101812
- Low Level
WYOMING CITY PWS
1 detected · 0 above limit · PWSID OH3102212
By ZIP code
03Find your exact result
Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.
Source & Methodology
About this data
City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Cincinnati area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.