CheckPFAS

ZIP Code 41003

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

3 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
3
Above EPA Limits
2
Water Systems
1198%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 1198% of limit
Detected: 47.90 ppt
PFHxS Exceeds EPA limit
0 ppt MCL: 10 ppt 153% of limit
Detected: 15.30 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 103% of limit
Detected: 4.10 ppt

HARRISON CO WATER ASSOC

KY0490179 High Risk
Water Type
Surface Water
PFAS Detected
7
Above MCL
2
State
Kentucky
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
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
13.40pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
8.90pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
7.90pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
4.70pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
4.20pptNo federal limitUnregulated

EAST PENDLETON WATER DISTRICT

KY0960112 High Risk
Water Type
Surface Water
PFAS Detected
8
Above MCL
1
State
Kentucky
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
4.10ppt
103% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.60ppt
56% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
18.80pptNo federal limitUnregulated
PFHpA
Perfluoroheptanoic acid
13.90pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
12.10pptNo federal limitUnregulated
6:2 FTS
6:2 Fluorotelomer sulfonic acid
6.70pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
6.20pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.10pptNo federal limitUnregulated
Note: ZIP code 41003 is served by 2 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.

View raw EPA data →