PFAS Comply

LINCOLN WATER DEPT

PWSID: MA3157000 · LINCOLN, MA · Serving 5,593 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

PFOA6.4 ppt(MCL: 4 ppt)
PFOS5.4 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
6.4 ppt
Highest single detection
2025-08-12
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
lithiumND—Below MRL2025-11-04
4:2 FTSND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
PFHxAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-08-12
PFMBAND—Below MRL2025-08-12
PFPeAND—Below MRL2025-08-12
PFMPAND—Below MRL2025-08-12
8:2 FTSND—Below MRL2025-08-12
4:2 FTSND—Below MRL2025-08-12
PFEESAND—Below MRL2025-08-12
PFTAND—Below MRL2025-08-12
PFBAND—Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
PFBSND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
PFPeAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
PFNAND10Below MRL2025-05-05
PFUnAND—Below MRL2025-05-05
HFPO-DAND10Below MRL2025-05-05
ADONAND—Below MRL2025-05-05
9Cl-PF3ONSND—Below MRL2025-05-05
11Cl-PF3OUdSND—Below MRL2025-05-05
PFBAND—Below MRL2025-05-05
PFHxAND—Below MRL2025-05-05
PFDoAND—Below MRL2025-05-05
PFBSND—Below MRL2025-05-05
6:2 FTSND—Below MRL2025-05-05
PFHxSND10Below MRL2025-05-05
NFDHAND—Below MRL2025-05-05
PFHpAND—Below MRL2025-05-05
PFHpSND—Below MRL2025-05-05
NEtFOSAAND—Below MRL2025-05-05
NMeFOSAAND—Below MRL2025-05-05
PFTAND—Below MRL2025-05-05
PFMBAND—Below MRL2025-05-05
PFDAND—Below MRL2025-05-05
4:2 FTSND—Below MRL2025-05-05
PFPeSND—Below MRL2025-05-05
PFEESAND—Below MRL2025-05-05
lithiumND—Below MRL2025-05-05
PFPeAND—Below MRL2025-05-05
PFMPAND—Below MRL2025-05-05
8:2 FTSND—Below MRL2025-05-05
PFTrDAND—Below MRL2025-05-05
lithiumND—Below MRL2025-08-12
PFBAND—Below MRL2025-08-12
ADONAND—Below MRL2025-08-12
PFTrDAND—Below MRL2025-08-12
PFTAND—Below MRL2025-08-12
PFHpSND—Below MRL2025-08-12
PFPeSND—Below MRL2025-08-12
NFDHAND—Below MRL2025-08-12
PFEESAND—Below MRL2025-08-12
PFMBAND—Below MRL2025-08-12
PFPeAND—Below MRL2025-08-12
PFMPAND—Below MRL2025-08-12
8:2 FTSND—Below MRL2025-08-12
NEtFOSAAND—Below MRL2025-08-12
HFPO-DAND10Below MRL2025-08-12
11Cl-PF3OUdSND—Below MRL2025-08-12
9Cl-PF3ONSND—Below MRL2025-08-12
PFUnAND—Below MRL2025-08-12
PFDoAND—Below MRL2025-08-12
PFDAND—Below MRL2025-08-12
PFNAND10Below MRL2025-08-12
PFHxSND10Below MRL2025-08-12
PFHpAND—Below MRL2025-08-12
PFBSND—Below MRL2025-08-12
4:2 FTSND—Below MRL2025-08-12
6:2 FTSND—Below MRL2025-08-12
PFHxAND—Below MRL2025-08-12
NMeFOSAAND—Below MRL2025-08-12
NFDHAND—Below MRL2025-11-04
6:2 FTSND—Below MRL2025-11-04
4:2 FTSND—Below MRL2025-11-04
8:2 FTSND—Below MRL2025-11-04
PFMPAND—Below MRL2025-11-04
PFPeAND—Below MRL2025-11-04
PFBAND—Below MRL2025-11-04
PFEESAND—Below MRL2025-11-04
PFTrDAND—Below MRL2025-11-04
PFTAND—Below MRL2025-11-04
NEtFOSAAND—Below MRL2025-11-04
PFPeSND—Below MRL2025-11-04
PFHpSND—Below MRL2025-11-04
PFMBAND—Below MRL2025-11-04
PFNAND10Below MRL2025-11-04
PFHpAND—Below MRL2025-11-04
NMeFOSAAND—Below MRL2025-11-04
PFBSND—Below MRL2025-11-04
PFHxSND10Below MRL2025-11-04
PFDAND—Below MRL2025-11-04
lithiumND—Below MRL2025-11-04
PFHxAND—Below MRL2025-11-04
PFUnAND—Below MRL2025-11-04
11Cl-PF3OUdSND—Below MRL2025-11-04
HFPO-DAND10Below MRL2025-11-04
9Cl-PF3ONSND—Below MRL2025-11-04
ADONAND—Below MRL2025-11-04
PFDoAND—Below MRL2025-11-04
PFOSND4Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
PFHxAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFOAND4Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFBSND—Below MRL2025-02-11
PFPeAND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFBAND—Below MRL2025-05-05
11Cl-PF3OUdSND—Below MRL2025-05-05
PFUnAND—Below MRL2025-05-05
PFHxAND—Below MRL2025-05-05
PFDoAND—Below MRL2025-05-05
PFDAND—Below MRL2025-05-05
PFHpSND—Below MRL2025-05-05
PFPeSND—Below MRL2025-05-05
NFDHAND—Below MRL2025-05-05
PFEESAND—Below MRL2025-05-05
PFMBAND—Below MRL2025-05-05
PFPeAND—Below MRL2025-05-05
9Cl-PF3ONSND—Below MRL2025-05-05
4:2 FTSND—Below MRL2025-05-05
8:2 FTSND—Below MRL2025-05-05
HFPO-DAND10Below MRL2025-05-05
ADONAND—Below MRL2025-05-05
PFOAND4Below MRL2025-05-05
PFOSND4Below MRL2025-05-05
PFNAND10Below MRL2025-05-05
PFHxSND10Below MRL2025-05-05
PFHpAND—Below MRL2025-05-05
PFBSND—Below MRL2025-05-05
lithiumND—Below MRL2025-05-05
PFMPAND—Below MRL2025-05-05
PFTrDAND—Below MRL2025-05-05
PFTAND—Below MRL2025-05-05
NEtFOSAAND—Below MRL2025-05-05
6:2 FTSND—Below MRL2025-05-05
NMeFOSAAND—Below MRL2025-05-05
PFHpAND—Below MRL2025-08-12
PFBAND—Below MRL2025-08-12
HFPO-DAND10Below MRL2025-08-12
lithiumND—Below MRL2025-08-12
9Cl-PF3ONSND—Below MRL2025-08-12
PFHxAND—Below MRL2025-08-12
PFOAND4Below MRL2025-08-12
PFDAND—Below MRL2025-08-12
ADONAND—Below MRL2025-08-12
PFBSND—Below MRL2025-08-12
PFOSND4Below MRL2025-08-12
PFNAND10Below MRL2025-08-12
PFHxSND10Below MRL2025-08-12
PFDoAND—Below MRL2025-08-12
NEtFOSAAND—Below MRL2025-08-12
PFUnAND—Below MRL2025-08-12
11Cl-PF3OUdSND—Below MRL2025-08-12
PFTrDAND—Below MRL2025-08-12
6:2 FTSND—Below MRL2025-08-12
NMeFOSAAND—Below MRL2025-08-12
PFHpSND—Below MRL2025-08-12
PFPeSND—Below MRL2025-08-12
PFOA6.44Exceeds2025-08-12
PFOA6.24Exceeds2025-05-05
PFOS5.44Exceeds2025-08-12
PFOA4.94Exceeds2025-11-04
PFOS4.64Exceeds2025-02-11
PFOS4.64Exceeds2025-11-04
PFOA4.54Exceeds2025-02-11
PFOS4.44Exceeds2025-05-05
PFHxS3.210Detected2025-02-11

Next steps