CheckPFAS

ZIP Code 45662

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.

4
PFAS Detected
1
Above EPA Limits
3
Water Systems
135%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 135% of limit
Detected: 5.40 ppt

NORTHWEST REGIONAL WATER DISTRICT

OH7300003 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Ohio
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFPeA
Perfluoropentanoic acid
3.50pptNo federal limitUnregulated

PORTSMOUTH PUBLIC WATER SYSTEM

OH7300111 High Risk
Water Type
Surface Water
PFAS Detected
2
Above MCL
1
State
Ohio
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOA
Perfluorooctanoic acid
5.40ppt
135% of limit
4 ppt⚠ Exceeds MCL
PFBS
Perfluorobutane sulfonic acid
3.50pptNo federal limitUnregulated

SCIOTO CO. REGIONAL WATER DISTRICT #1

OH7300212 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
Ohio
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFPeA
Perfluoropentanoic acid
3.20pptNo federal limitUnregulated
Note: ZIP code 45662 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.

View raw EPA data →