PFAS Comply

HUDSON WATER DEPT

PWSID: NH1201010 · HUDSON, NH · Serving 16,700 people

Type: CWSOwner: LSource: GW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

Key contaminants vs MCL

PFOA9 ppt(MCL: 4 ppt)

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Detection summary

3
PFAS compounds detected
9 ppt
Highest single detection
2024-07-31
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
lithiumND—Below MRL2025-01-02
11Cl-PF3OUdSND—Below MRL2024-07-31
PFNAND10Below MRL2024-07-31
PFHxSND10Below MRL2025-01-14
PFOSND4Below MRL2025-01-14
PFNAND10Below MRL2025-01-14
4:2 FTSND—Below MRL2025-01-14
8:2 FTSND—Below MRL2025-01-14
PFUnAND—Below MRL2024-07-31
PFDoAND—Below MRL2024-07-31
PFDAND—Below MRL2024-07-31
PFOSND4Below MRL2024-07-31
PFHxSND10Below MRL2024-07-31
PFHpAND—Below MRL2024-07-31
PFBSND—Below MRL2024-07-31
lithiumND—Below MRL2024-07-31
NMeFOSAAND—Below MRL2024-07-31
NEtFOSAAND—Below MRL2024-07-31
PFTAND—Below MRL2024-07-31
PFEESAND—Below MRL2024-07-31
PFTrDAND—Below MRL2024-07-31
PFMPAND—Below MRL2024-07-31
PFMBAND—Below MRL2024-07-31
8:2 FTSND—Below MRL2024-07-31
4:2 FTSND—Below MRL2024-07-31
NFDHAND—Below MRL2024-07-31
PFPeSND—Below MRL2024-07-31
PFHpSND—Below MRL2024-07-31
6:2 FTSND—Below MRL2024-07-31
PFBAND—Below MRL2024-07-31
HFPO-DAND10Below MRL2024-07-31
9Cl-PF3ONSND—Below MRL2024-07-31
ADONAND—Below MRL2024-07-31
ADONAND—Below MRL2025-01-14
PFEESAND—Below MRL2025-01-14
NFDHAND—Below MRL2025-01-14
PFPeSND—Below MRL2025-01-14
PFHpSND—Below MRL2025-01-14
11Cl-PF3OUdSND—Below MRL2025-01-14
HFPO-DAND10Below MRL2025-01-14
6:2 FTSND—Below MRL2025-01-14
PFMPAND—Below MRL2025-01-14
PFTAND—Below MRL2025-01-02
PFTrDAND—Below MRL2025-01-02
NEtFOSAAND—Below MRL2025-01-02
NMeFOSAAND—Below MRL2025-01-02
PFBAND—Below MRL2025-01-14
9Cl-PF3ONSND—Below MRL2025-01-14
PFHpAND—Below MRL2025-01-14
PFBSND—Below MRL2025-01-14
PFUnAND—Below MRL2025-01-14
PFDoAND—Below MRL2025-01-14
PFMBAND—Below MRL2025-01-14
PFDAND—Below MRL2025-01-14
PFOA94Exceeds2025-01-14
PFOA74Exceeds2024-07-31
PFPeA5—2025-01-14
PFPeA4—2024-07-31
PFHxA4—2025-01-14
PFHxA3—2024-07-31

Next steps