CheckPFAS

ZIP Code 40004

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

1 compound exceed EPA Maximum Contaminant Levels in water serving this ZIP code. Standard pitcher filters like Brita do not remove PFAS. See filter recommendations below.

5
PFAS Detected
1
Above EPA Limits
2
Water Systems
143%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 143% of limit
Detected: 5.70 ppt

BLOOMFIELD WATER & SEWER DEPT

KY0900031 Low Level
Water Type
Surface Water
PFAS Detected
1
Above MCL
0
State
Kentucky
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFBA
Perfluorobutanoic acid
14.00pptNo federal limitUnregulated

NORTH NELSON WATER DISTRICT

KY0900323 High Risk
Water Type
Surface Water
PFAS Detected
4
Above MCL
1
State
Kentucky
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
5.70ppt
143% of limit
4 ppt⚠ Exceeds MCL
lithium
9100.00pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.00pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
3.70pptNo federal limitUnregulated
Note: ZIP code 40004 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 →