PFAS Comply

SALEM WATER DEPT

PWSID: NH2051010 · SALEM, NH · Serving 21,000 people

Type: CWSOwner: LSource: SW
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

PFOA8.5 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
8.5 ppt
Highest single detection
2025-09-09
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFBAND—Below MRL2025-09-09
PFHxAND—Below MRL2024-12-12
PFDoAND—Below MRL2024-12-12
PFDAND—Below MRL2024-12-12
PFDoAND—Below MRL2025-09-09
NFDHAND—Below MRL2025-09-09
PFHxAND—Below MRL2025-09-09
HFPO-DAND10Below MRL2025-09-09
PFPeSND—Below MRL2025-09-09
PFEESAND—Below MRL2025-09-09
PFMBAND—Below MRL2025-09-09
6:2 FTSND—Below MRL2025-09-09
PFMPAND—Below MRL2025-09-09
8:2 FTSND—Below MRL2025-09-09
4:2 FTSND—Below MRL2025-09-09
PFPeAND—Below MRL2025-09-09
PFHpSND—Below MRL2025-09-09
PFNAND10Below MRL2024-12-12
PFOSND4Below MRL2024-12-12
PFHxSND10Below MRL2024-12-12
PFHpAND—Below MRL2024-12-12
PFBSND—Below MRL2024-12-12
NMeFOSAAND—Below MRL2024-12-12
NEtFOSAAND—Below MRL2024-12-12
PFUnAND—Below MRL2024-12-12
PFTAND—Below MRL2024-12-12
8:2 FTSND—Below MRL2024-12-12
PFTrDAND—Below MRL2024-12-12
lithiumND—Below MRL2024-12-12
PFHpSND—Below MRL2024-12-12
PFPeSND—Below MRL2024-12-12
NFDHAND—Below MRL2024-12-12
PFEESAND—Below MRL2024-12-12
PFMBAND—Below MRL2024-12-12
6:2 FTSND—Below MRL2024-12-12
PFMPAND—Below MRL2024-12-12
11Cl-PF3OUdSND—Below MRL2024-12-12
4:2 FTSND—Below MRL2024-12-12
PFBAND—Below MRL2024-12-12
HFPO-DAND10Below MRL2024-12-12
ADONAND—Below MRL2024-12-12
9Cl-PF3ONSND—Below MRL2024-12-12
PFPeAND—Below MRL2024-12-12
PFBAND—Below MRL2025-08-13
4:2 FTSND—Below MRL2025-08-13
NMeFOSAAND—Below MRL2025-03-05
NEtFOSAAND—Below MRL2025-03-05
PFTrDAND—Below MRL2025-03-05
PFTAND—Below MRL2025-03-05
ADONAND—Below MRL2025-08-13
lithiumND—Below MRL2025-03-05
PFHpSND—Below MRL2025-08-13
PFPeSND—Below MRL2025-08-13
NFDHAND—Below MRL2025-08-13
PFEESAND—Below MRL2025-08-13
PFMBAND—Below MRL2025-08-13
PFBSND—Below MRL2025-08-13
8:2 FTSND—Below MRL2025-08-13
6:2 FTSND—Below MRL2025-08-13
HFPO-DAND10Below MRL2025-08-13
9Cl-PF3ONSND—Below MRL2025-08-13
11Cl-PF3OUdSND—Below MRL2025-08-13
PFUnAND—Below MRL2025-08-13
PFDoAND—Below MRL2025-08-13
PFDAND—Below MRL2025-08-13
PFOSND4Below MRL2025-08-13
PFNAND10Below MRL2025-08-13
PFHxSND10Below MRL2025-08-13
PFHpAND—Below MRL2025-08-13
PFMPAND—Below MRL2025-08-13
NEtFOSAAND—Below MRL2025-08-29
11Cl-PF3OUdSND—Below MRL2025-08-29
PFHpSND—Below MRL2025-08-29
PFPeSND—Below MRL2025-08-29
NFDHAND—Below MRL2025-08-29
PFEESAND—Below MRL2025-08-29
PFMBAND—Below MRL2025-08-29
PFMPAND—Below MRL2025-08-29
8:2 FTSND—Below MRL2025-08-29
4:2 FTSND—Below MRL2025-08-29
6:2 FTSND—Below MRL2025-08-29
PFBAND—Below MRL2025-08-29
HFPO-DAND10Below MRL2025-08-29
PFTAND—Below MRL2025-08-29
9Cl-PF3ONSND—Below MRL2025-08-29
PFTrDAND—Below MRL2025-08-29
PFUnAND—Below MRL2025-08-29
PFDoAND—Below MRL2025-08-29
PFDAND—Below MRL2025-08-29
PFOSND4Below MRL2025-08-29
PFNAND10Below MRL2025-08-29
PFHxSND10Below MRL2025-08-29
PFHpAND—Below MRL2025-08-29
lithiumND—Below MRL2025-06-04
NMeFOSAAND—Below MRL2025-08-29
PFBSND—Below MRL2025-08-29
ADONAND—Below MRL2025-08-29
PFBAND—Below MRL2025-09-09
NMeFOSAAND—Below MRL2025-09-09
NEtFOSAAND—Below MRL2025-09-09
PFTrDAND—Below MRL2025-09-09
PFTAND—Below MRL2025-09-09
PFHpSND—Below MRL2025-09-09
PFPeSND—Below MRL2025-09-09
NFDHAND—Below MRL2025-09-09
PFEESAND—Below MRL2025-09-09
PFMBAND—Below MRL2025-09-09
PFMPAND—Below MRL2025-09-09
8:2 FTSND—Below MRL2025-09-09
PFBSND—Below MRL2025-09-09
6:2 FTSND—Below MRL2025-09-09
lithiumND—Below MRL2025-09-09
HFPO-DAND10Below MRL2025-09-09
ADONAND—Below MRL2025-09-09
9Cl-PF3ONSND—Below MRL2025-09-09
11Cl-PF3OUdSND—Below MRL2025-09-09
PFUnAND—Below MRL2025-09-09
PFDoAND—Below MRL2025-09-09
PFDAND—Below MRL2025-09-09
PFOSND4Below MRL2025-09-09
PFNAND10Below MRL2025-09-09
PFHxSND10Below MRL2025-09-09
PFHpAND—Below MRL2025-09-09
4:2 FTSND—Below MRL2025-09-09
6:2 FTSND—Below MRL2024-12-12
NMeFOSAAND—Below MRL2024-12-12
NEtFOSAAND—Below MRL2024-12-12
PFTrDAND—Below MRL2024-12-12
PFTAND—Below MRL2024-12-12
lithiumND—Below MRL2024-12-12
PFHpSND—Below MRL2024-12-12
PFPeSND—Below MRL2024-12-12
NFDHAND—Below MRL2024-12-12
PFEESAND—Below MRL2024-12-12
PFMBAND—Below MRL2024-12-12
PFPeAND—Below MRL2024-12-12
PFMPAND—Below MRL2024-12-12
PFBSND—Below MRL2024-12-12
4:2 FTSND—Below MRL2024-12-12
PFHxSND10Below MRL2024-12-12
PFBAND—Below MRL2024-12-12
HFPO-DAND10Below MRL2024-12-12
ADONAND—Below MRL2024-12-12
9Cl-PF3ONSND—Below MRL2024-12-12
11Cl-PF3OUdSND—Below MRL2024-12-12
PFUnAND—Below MRL2024-12-12
PFHxAND—Below MRL2024-12-12
PFDoAND—Below MRL2024-12-12
PFDAND—Below MRL2024-12-12
PFOSND4Below MRL2024-12-12
PFNAND10Below MRL2024-12-12
8:2 FTSND—Below MRL2024-12-12
PFHpAND—Below MRL2024-12-12
ADONAND—Below MRL2025-03-05
9Cl-PF3ONSND—Below MRL2025-03-05
11Cl-PF3OUdSND—Below MRL2025-03-05
PFUnAND—Below MRL2025-03-05
PFHxAND—Below MRL2025-03-05
HFPO-DAND10Below MRL2025-03-05
PFDAND—Below MRL2025-03-05
PFBSND—Below MRL2025-03-05
PFOSND4Below MRL2025-03-05
PFNAND10Below MRL2025-03-05
PFHxSND10Below MRL2025-03-05
PFHpAND—Below MRL2025-03-05
lithiumND—Below MRL2025-03-05
PFDoAND—Below MRL2025-03-05
PFPeSND—Below MRL2025-03-05
NMeFOSAAND—Below MRL2025-03-05
PFTrDAND—Below MRL2025-03-05
PFBAND—Below MRL2025-03-05
PFHpSND—Below MRL2025-03-05
NEtFOSAAND—Below MRL2025-03-05
NFDHAND—Below MRL2025-03-05
PFEESAND—Below MRL2025-03-05
PFMBAND—Below MRL2025-03-05
PFPeAND—Below MRL2025-03-05
PFMPAND—Below MRL2025-03-05
8:2 FTSND—Below MRL2025-03-05
4:2 FTSND—Below MRL2025-03-05
6:2 FTSND—Below MRL2025-03-05
PFTAND—Below MRL2025-03-05
PFUnAND—Below MRL2025-08-29
PFHxAND—Below MRL2025-08-29
PFDoAND—Below MRL2025-08-29
PFHpAND—Below MRL2025-08-29
PFBSND—Below MRL2025-08-29
PFDAND—Below MRL2025-08-29
PFOSND4Below MRL2025-08-29
PFNAND10Below MRL2025-08-29
PFHxSND10Below MRL2025-08-29
11Cl-PF3OUdSND—Below MRL2025-08-29
PFTAND—Below MRL2025-08-29
PFMPAND—Below MRL2025-08-29
NEtFOSAAND—Below MRL2025-08-29
9Cl-PF3ONSND—Below MRL2025-08-29
ADONAND—Below MRL2025-08-29
HFPO-DAND10Below MRL2025-08-29
PFBAND—Below MRL2025-08-29
6:2 FTSND—Below MRL2025-08-29
PFHpSND—Below MRL2025-08-29
8:2 FTSND—Below MRL2025-08-29
PFPeAND—Below MRL2025-08-29
PFMBAND—Below MRL2025-08-29
PFEESAND—Below MRL2025-08-29
NFDHAND—Below MRL2025-08-29
PFPeSND—Below MRL2025-08-29
lithiumND—Below MRL2025-06-04
PFTrDAND—Below MRL2025-08-29
4:2 FTSND—Below MRL2025-08-29
NMeFOSAAND—Below MRL2025-08-29
PFDAND—Below MRL2025-09-09
9Cl-PF3ONSND—Below MRL2025-09-09
11Cl-PF3OUdSND—Below MRL2025-09-09
PFUnAND—Below MRL2025-09-09
PFHxSND10Below MRL2025-09-09
PFTAND—Below MRL2025-09-09
PFBSND—Below MRL2025-09-09
ADONAND—Below MRL2025-09-09
lithiumND—Below MRL2025-09-09
PFHpAND—Below MRL2025-09-09
PFOSND4Below MRL2025-09-09
PFNAND10Below MRL2025-09-09
NMeFOSAAND—Below MRL2025-09-09
NEtFOSAAND—Below MRL2025-09-09
PFTrDAND—Below MRL2025-09-09
PFOA8.54Exceeds2025-08-13
PFOA7.94Exceeds2025-08-29
PFOA7.84Exceeds2025-09-09
PFOA5.74Exceeds2024-12-12
PFOA5.64Exceeds2024-12-12
PFOA5.54Exceeds2025-03-05
PFOA5.14Exceeds2025-09-09
PFOA4.74Exceeds2025-08-29
PFHxA3.8—2025-08-13
PFHxA3.7—2025-08-29
PFHxA3.7—2025-09-09
PFPeA3.7—2025-08-13
PFPeA3.3—2025-08-29
PFPeA3.2—2025-09-09

Next steps