Chinle-Many Farms-Del Muerto NTUA
PWSID: NN0400174 · Ft Defiance, AZ · Serving 8,458 people
Type: CWSOwner: NSource: GW
Settlement eligible
Settlement details
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All PFAS compounds below EPA Maximum Contaminant Levels.
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
37.8 ppt
Highest single detection
2025-06-23
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 29 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFOA | ND | 4 | Below MRL | 2025-06-23 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2025-06-23 |
| PFDoA | ND | — | Below MRL | 2025-06-23 |
| PFHxA | ND | — | Below MRL | 2025-06-23 |
| PFUnA | ND | — | Below MRL | 2025-06-23 |