CheckPFAS

ZIP Code 28445

Low Level
Low Level PFAS Risk Level
5
PFAS Detected
0
Above EPA Limits
2
Water Systems
N/A
Highest % of MCL

ONSLOW WTR AND SEWER AUTHORITY

NC0467035 Low Level
Water Type
Groundwater
PFAS Detected
1
Above MCL
0
State
North Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
lithium
29500.00pptNo federal limitUnregulated

PENDER COUNTY UTILITIES

NC7071011 Low Level
Water Type
Surface Water
PFAS Detected
4
Above MCL
0
State
North Carolina
Data Period
2023–2025

PFAS Test Results

CompoundDetectedvs. EPA LimitEPA LimitStatus
PFPeA
Perfluoropentanoic acid
7.60pptNo federal limitUnregulated
PFBS
Perfluorobutane sulfonic acid
5.30pptNo federal limitUnregulated
PFBA
Perfluorobutanoic acid
5.00pptNo federal limitUnregulated
PFHxA
Perfluorohexanoic acid
4.80pptNo federal limitUnregulated
Note: ZIP code 28445 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 →