ZIP Code 41031
High RiskPFAS above EPA limits detected
7 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.
31
PFAS Detected
7
Above EPA Limits
5
Water Systems
1198%
Highest % of MCL
Compounds Exceeding EPA Limits
PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 925% of limit
Detected: 37.00 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 110% of limit
Detected: 11.00 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 125% of limit
Detected: 5.00 ppt
KENTUCKY-AMERICAN WATER CO
KY0340250 ModerateWater Type
Surface Water
PFAS Detected
6
Above MCL
0
State
Kentucky
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
lithium | 15000.00ppt | No federal limit | — | Unregulated |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 11.10ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.20ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 5.20ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 3.70ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.60ppt | No federal limit | — | Unregulated |
CYNTHIANA MUNICIPAL WATER WORKS
KY0490096 High RiskWater Type
Surface Water
PFAS Detected
5
Above MCL
2
State
Kentucky
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 37.00ppt | 925% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 11.00ppt | 110% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 7.10ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 5.80ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 3.10ppt | No federal limit | — | Unregulated |
HARRISON CO WATER ASSOC
KY0490179 High RiskWater Type
Surface Water
PFAS Detected
7
Above MCL
2
State
Kentucky
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 47.90ppt | 1198% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 15.30ppt | 153% of limit
| 10 ppt | ⚠ Exceeds MCL |
PFPeA Perfluoropentanoic acid | 13.40ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 8.90ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 7.90ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 4.70ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.20ppt | No federal limit | — | Unregulated |
BUFFALO TRAIL WATER ASSOC
KY0810046 High RiskWater Type
Surface Water
PFAS Detected
5
Above MCL
2
State
Kentucky
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 5.00ppt | 125% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFOS Perfluorooctane sulfonic acid | 4.20ppt | 105% of limit
| 4 ppt | ⚠ Exceeds MCL |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 22.00ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.80ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 5.00ppt | No federal limit | — | Unregulated |
EAST PENDLETON WATER DISTRICT
KY0960112 High RiskWater Type
Surface Water
PFAS Detected
8
Above MCL
1
State
Kentucky
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOA Perfluorooctanoic acid | 4.10ppt | 103% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFHxS Perfluorohexane sulfonic acid | 5.60ppt | 56% of limit
| 10 ppt | Below limit |
PFPeA Perfluoropentanoic acid | 18.80ppt | No federal limit | — | Unregulated |
PFHpA Perfluoroheptanoic acid | 13.90ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 12.10ppt | No federal limit | — | Unregulated |
6:2 FTS 6:2 Fluorotelomer sulfonic acid | 6.70ppt | No federal limit | — | Unregulated |
PFBA Perfluorobutanoic acid | 6.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.10ppt | No federal limit | — | Unregulated |
Note: ZIP code 41031 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.