RALEIGH, CITY OF
High Risk1 PFAS compound(s) exceed EPA Maximum Contaminant Levels
This utility has until 2029 to install treatment under the EPA's April 2024 PFAS rule. In the meantime, a point-of-use filter certified NSF/ANSI 58 for PFOA/PFOS provides reliable interim protection.
5
PFAS Detected
1
Above EPA Limits
20
ZIPs Served
Surface
Water Source
PFAS Test Results
| Compound | Detected | vs. EPA Limit | EPA Limit | Status |
|---|---|---|---|---|
PFOS Perfluorooctane sulfonic acid | 5.60ppt | 140% of limit
| 4 ppt | ⚠ Exceeds MCL |
PFBA Perfluorobutanoic acid | 9.00ppt | No federal limit | — | Unregulated |
PFPeA Perfluoropentanoic acid | 4.30ppt | No federal limit | — | Unregulated |
PFHxA Perfluorohexanoic acid | 4.20ppt | No federal limit | — | Unregulated |
PFBS Perfluorobutane sulfonic acid | 3.30ppt | No federal limit | — | Unregulated |
ZIP Codes Served by This Utility
27520 27529 27545 27571 27587 27591 27597 27603 27604 27606 27607 27608 27609 27610 27612 27613 27614 27615 27616 27617
Click any ZIP to see the full result page for that area.
About this data
Source
EPA UCMR 5 — January 2026 release
Sampling period
January 2023 – December 2025
Water system ID (PWSID)
NC0392010
Detection threshold (MRL)
~1.5–2 ppt — "Not detected" means below this floor