ZIP Code 28409
Low Level7
PFAS Detected
0
Above EPA Limits
3
Water Systems
84%
Highest % of MCL
CFPUA-WILMINGTON
NC0465010 Low LevelWater Type
Surface Water
PFAS Detected
1
Above MCL
0
State
North Carolina
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFPeA Perfluoropentanoic acid | 4.40ppt | No federal limit | — | Unregulated |
CFPUA/MONTEREY HEIGHTS
NC0465137 Low LevelWater Type
Groundwater
PFAS Detected
3
Above MCL
0
State
North Carolina
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFHxS Perfluorohexane sulfonic acid | 4.10ppt | 41% of limit
| 10 ppt | Below limit |
lithium | 19000.00ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.70ppt | No federal limit | — | Unregulated |
THE CAPE MASTER SYSTEM
NC0465199 Low LevelWater Type
Groundwater
PFAS Detected
3
Above MCL
0
State
North Carolina
Data Period
2023–2025
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
HFPO-DA GenX (Hexafluoropropylene oxide dimer acid) | 8.40ppt | 84% of limit
| 10 ppt | Below limit |
lithium | 17500.00ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 4.60ppt | No federal limit | — | Unregulated |
Note: ZIP code 28409 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.