CheckPFAS

ZIP Code 28462

High Risk
High Risk PFAS Risk Level

PFAS above EPA limits detected

4 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.

16
PFAS Detected
4
Above EPA Limits
2
Water Systems
310%
Highest % of MCL

Compounds Exceeding EPA Limits

PFOS Exceeds EPA limit
0 ppt MCL: 4 ppt 310% of limit
Detected: 12.40 ppt
PFOA Exceeds EPA limit
0 ppt MCL: 4 ppt 193% of limit
Detected: 7.70 ppt

BRUNSWICK COUNTY WATER SYSTEM

NC0410045 High Risk
Water Type
Surface Water
PFAS Detected
9
Above MCL
2
State
North Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
12.40ppt
310% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
7.70ppt
193% of limit
4 ppt⚠ Exceeds MCL
HFPO-DA
GenX (Hexafluoropropylene oxide dimer acid)
5.80ppt
58% of limit
10 pptBelow limit
PFHxS
Perfluorohexane sulfonic acid
5.20ppt
52% of limit
10 pptBelow limit
PFPeA
Perfluoropentanoic acid
11.50pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
9.80pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
8.50pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
7.10pptNo federal limitUnregulated
Show 1 more compound detected at low levels
PFHpAPerfluoroheptanoic acid4.10 pptNo federal limit

HOLDEN BEACH, TOWN OF

NC0410060 High Risk
Water Type
Surface Water
PFAS Detected
7
Above MCL
2
State
North Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFOS
Perfluorooctane sulfonic acid
10.90ppt
273% of limit
4 ppt⚠ Exceeds MCL
PFOA
Perfluorooctanoic acid
5.60ppt
140% of limit
4 ppt⚠ Exceeds MCL
HFPO-DA
GenX (Hexafluoropropylene oxide dimer acid)
6.30ppt
63% of limit
10 pptBelow limit
PFHxS
Perfluorohexane sulfonic acid
5.30ppt
53% of limit
10 pptBelow limit
PFHxA
Perfluorohexanoic acid
6.80pptNo federal limitUnregulated
PFPeA
Perfluoropentanoic acid
5.90pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
4.00pptNo federal limitUnregulated
Note: ZIP code 28462 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 →