PFAS Comply

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

Detection summary

0
PFAS compounds detected
N/A ppt
Highest single detection
2025-02-12
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
4:2 FTSND—Below MRL2025-01-28
PFEESAND—Below MRL2025-01-28
8:2 FTSND—Below MRL2025-01-28
PFMPAND—Below MRL2025-01-28
PFPeAND—Below MRL2025-01-28
PFMBAND—Below MRL2025-01-28
NFDHAND—Below MRL2025-01-28
PFPeSND—Below MRL2025-01-28
PFHpSND—Below MRL2025-01-28
lithiumND—Below MRL2025-01-28
PFTAND—Below MRL2025-01-28
PFTrDAND—Below MRL2025-01-28
NMeFOSAAND—Below MRL2025-01-28
ADONAND—Below MRL2025-01-28
NEtFOSAAND—Below MRL2025-01-28
PFOSND4Below MRL2025-01-28
PFBAND—Below MRL2025-01-28
PFHpAND—Below MRL2025-01-28
6:2 FTSND—Below MRL2025-01-28
PFNAND10Below MRL2025-01-28
PFBSND—Below MRL2025-01-28
PFOAND4Below MRL2025-01-28
PFDAND—Below MRL2025-01-28
PFDoAND—Below MRL2025-01-28
PFHxAND—Below MRL2025-01-28
PFUnAND—Below MRL2025-01-28
11Cl-PF3OUdSND—Below MRL2025-01-28
9Cl-PF3ONSND—Below MRL2025-01-28
HFPO-DAND10Below MRL2025-01-28
PFHxSND10Below MRL2025-01-28
4:2 FTSND—Below MRL2025-01-28
8:2 FTSND—Below MRL2025-01-28
PFMPAND—Below MRL2025-01-28
PFPeAND—Below MRL2025-01-28
PFMBAND—Below MRL2025-01-28
PFEESAND—Below MRL2025-01-28
NFDHAND—Below MRL2025-01-28
PFPeSND—Below MRL2025-01-28
PFHpSND—Below MRL2025-01-28
PFTAND—Below MRL2025-02-12
6:2 FTSND—Below MRL2025-01-28
lithiumND—Below MRL2025-01-28
PFDAND—Below MRL2025-01-28
PFTrDAND—Below MRL2025-02-12
PFBAND—Below MRL2025-01-28
HFPO-DAND10Below MRL2025-01-28
ADONAND—Below MRL2025-01-28
9Cl-PF3ONSND—Below MRL2025-01-28
11Cl-PF3OUdSND—Below MRL2025-01-28
PFUnAND—Below MRL2025-01-28
PFDoAND—Below MRL2025-01-28
PFOAND4Below MRL2025-01-28
PFOSND4Below MRL2025-01-28
PFNAND10Below MRL2025-01-28
PFHxSND10Below MRL2025-01-28
PFHpAND—Below MRL2025-01-28
PFBSND—Below MRL2025-01-28
NMeFOSAAND—Below MRL2025-02-12
PFHxAND—Below MRL2025-01-28
NEtFOSAAND—Below MRL2025-02-12
lithiumND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
PFHxAND—Below MRL2025-02-11
PFBSND—Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFOSND4Below MRL2025-02-11
PFOAND4Below MRL2025-02-11
PFPeAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
PFDAND—Below MRL2025-02-11

Violation history

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
Monitoring & Reporting - PFHxA(PFHxA)
2024-04-01 · Open · Tier 3

Next steps