WANNACOMET WATER COMPANY
PWSID: MA4197000 · NANTUCKET, MA · Serving 27,703 people
Type: CWSOwner: LSource: GW
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
Upgrade to Pro to see PFOA/PFOS ppt values and MCL comparison charts.
Upgrade to ProDetection summary
N/A ppt
Highest single detection
2025-02-12
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 87 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 4:2 FTS | ND | — | Below MRL | 2025-01-28 |
| PFEESA | ND | — | Below MRL | 2025-01-28 |
| 8:2 FTS | ND | — | Below MRL | 2025-01-28 |
| PFMPA | ND | — | Below MRL | 2025-01-28 |
| PFPeA | ND | — | Below MRL | 2025-01-28 |
Violation history(7 violations, 7 open)
Monitoring & Reporting - PFOA(PFOA)
2024-04-01 · Open · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2024-04-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2024-04-01 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2024-04-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2024-04-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2024-04-01 · Open · Tier 3
Violation details
Upgrade to Pro to view full violation history, enforcement actions, and resolution status.
Upgrade to Pro