CheckPFAS

ZIP Code 28174

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.

9
PFAS Detected
3
Above EPA Limits
2
Water Systems
123%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 123% of limit
Detected: 4.90 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 105% of limit
Detected: 4.20 ppt

WINGATE, TOWN OF

NC0190030 High Risk
Water Type
Surface Water
PFAS Detected
4
Above MCL
1
State
North Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
4.90ppt
123% of limit
4 ppt⚠ Exceeds MCL
PFBA
Perfluorobutanoic acid
10.60pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
4.30pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
3.90pptNo federal limitUnregulated

UNION COUNTY WATER SYSTEM

NC0190413 High Risk
Water Type
Surface Water
PFAS Detected
5
Above MCL
2
State
North Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
4.90ppt
123% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
4.20ppt
105% of limit
4 ppt⚠ Exceeds MCL
PFPeA
Perfluoropentanoic acid
10.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
7.40pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
6.50pptNo federal limitUnregulated
Note: ZIP code 28174 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 →