ZIP Code 45014
High RiskPFAS above EPA limits detected
2 compounds exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.
13
PFAS Detected
2
Above EPA Limits
5
Water Systems
153%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 133% of limit
Detected: 5.30 ppt
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 153% of limit
Detected: 6.10 ppt
BUTLER CO. WATER DISTRICT 2 PWS
OH0900303 Low LevelWater Type
Groundwater
PFAS Detected
2
Above MCL
0
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 4.70ppt | 47% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 3.50ppt | No federal limit | — | Unregulated |
FAIRFIELD CITY PWS
OH0900715 Low LevelWater Type
Groundwater
PFAS Detected
4
Above MCL
0
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
HFPO-DA GenX (Hexafluoropropylene oxide dimer acid) | 5.70ppt | 57% of limit
| 10 ppt | Below limit |
PFBA Perfluorobutanoic acid | 5.70ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.30ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.00ppt | No federal limit | — | Unregulated |
SOUTHWEST REGIONAL WATER DISTRICT
OH0903912 Low LevelWater Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFBS Perfluorobutane sulfonic acid | 3.10ppt | No federal limit | — | Unregulated |
HAMILTON PUBLIC WATER SYSTEM
OH0904012 High RiskWater Type
Groundwater
PFAS Detected
3
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 5.30ppt | 133% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 4.10ppt | 41% of limit
| 10 ppt | Below limit |
PFBS Perfluorobutane sulfonic acid | 3.60ppt | No federal limit | — | Unregulated |
CINCINNATI PUBLIC WATER SYSTEM
OH3102612 High RiskWater Type
Groundwater
PFAS Detected
3
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 6.10ppt | 153% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBA Perfluorobutanoic acid | 5.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.10ppt | No federal limit | — | Unregulated |
Note: ZIP code 45014 is served by 5 separate water utilities.
Results above show data for each system independently.
Data source: EPA Unregulated Contaminant Monitoring Rule, 5th cycle (UCMR 5) — January 2026 release.
UCMR 5 tested ~10,000 public water systems serving more than 25 people between 2023-2025 for 29 PFAS compounds.
Detection values represent the highest single-sample result measured at entry points to the distribution system.