ZIP Code 45150
High RiskPFAS above EPA limits detected
4 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.
15
PFAS Detected
4
Above EPA Limits
3
Water Systems
310%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 195% of limit
Detected: 7.80 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 103% of limit
Detected: 4.10 ppt
MILFORD CITY PWS
OH1301012 High RiskWater Type
Groundwater
PFAS Detected
7
Above MCL
2
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 7.80ppt | 195% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOA Perfluorooctanoic acid | 4.10ppt | 103% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 3.20ppt | 32% of limit
| 10 ppt | Below limit |
PFBA Perfluorobutanoic acid | 5.90ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 5.40ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.90ppt | No federal limit | — | Unregulated |
CLERMONT PUBLIC WATER SYSTEM
OH1302212 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 | 10.10ppt | 253% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 3.30ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.10ppt | No federal limit | — | Unregulated |
INDIAN HILL CITY PWS
OH3101112 High RiskWater Type
Groundwater
PFAS Detected
5
Above MCL
1
State
Ohio
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 12.40ppt | 310% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBA Perfluorobutanoic acid | 5.70ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.80ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.00ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.00ppt | No federal limit | — | Unregulated |
Note: ZIP code 45150 is served by 3 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.