Kayenta NTUA
PWSID: NN0403003 · Ft Defiance, AZ · Serving 3,844 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
51 ppt
Highest single detection
2023-09-13
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 406 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| ADONA | ND | — | Below MRL | 2023-09-13 |
| ADONA | ND | — | Below MRL | 2023-03-07 |
| HFPO-DA | ND | 10 | Below MRL | 2023-03-07 |
| PFBA | ND | — | Below MRL | 2023-03-07 |
| PFHpS | ND | — | Below MRL | 2023-03-07 |
Violation history(7 violations, all resolved)
Monitoring & Reporting - PFOA(PFOA)
2017-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2017-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2017-07-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2017-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2017-07-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxA
Violation details
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