Central ASG
PWSID: AS9711948 · Pago Pago, AS · Serving 45,315 people
Type: CWSOwner: SSource: SW
Compliant
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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N/A ppt
Highest single detection
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 1000 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFPeA | ND | — | Below MRL | 2023-08-10 |
| NFDHA | ND | — | Below MRL | 2023-08-10 |
| ADONA | ND | — | Below MRL | 2023-08-10 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2023-08-10 |
| PFBA | ND | — | Below MRL | 2023-08-10 |
Violation history(20 violations, 20 open)
Monitoring & Reporting - PFOA(PFOA)
2025-07-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2025-07-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2025-07-01 · Open · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2025-07-01 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2025-07-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2025-07-01 · Open · Tier 3
Violation details
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