CheckPFAS

ZIP Code 23665

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

2 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.

9
PFAS Detected
2
Above EPA Limits
2
Water Systems
153%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 140% of limit
Detected: 5.60 ppt

LANGLEY AIR FORCE BASE

VA3650350 High Risk
Water Type
Surface Water
PFAS Detected
4
Above MCL
1
State
Virginia
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
5.60ppt
140% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
4.10ppt
41% of limit
10 pptBelow limit
PFHxA
Perfluorohexanoic acid
4.80pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.50pptNo federal limitUnregulated

NEWPORT NEWS, CITY OF

VA3700500 High Risk
Water Type
Surface Water
PFAS Detected
5
Above MCL
1
State
Virginia
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
6.10ppt
153% of limit
4 ppt⚠ Exceeds MCL
PFHxS
Perfluorohexane sulfonic acid
5.00ppt
50% of limit
10 pptBelow limit
PFBA
Perfluorobutanoic acid
6.20pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
5.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.90pptNo federal limitUnregulated
Note: ZIP code 23665 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 →