JOHNSTON CO-WEST
PWSID: NC0351070 · SMITHFIELD, NC · Serving 92,365 people
Type: CWSOwner: LSource: SW
Settlement eligible
Settlement details
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Upgrade to ProExceeds MCL
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
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Upgrade to ProDetection summary
15.6 ppt
Highest single detection
2025-09-03
Latest sample date
complete
Data completeness
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 464 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 11Cl-PF3OUdS | ND | — | Below MRL | 2025-09-03 |
| PFHpA | ND | — | Below MRL | 2024-12-04 |
| PFHpA | ND | — | Below MRL | 2025-01-15 |
| PFBS | ND | — | Below MRL | 2025-01-15 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2025-01-15 |