PFAS Comply

MANCHESTER BY THE SEA DPW

PWSID: MA3166000 · MANCHESTER BY THE SEA, MA · Serving 5,170 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
Check claims portal →
Exceeds MCL

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

Key contaminants vs MCL

PFOA12 ppt(MCL: 4 ppt)
PFOS4.8 ppt(MCL: 4 ppt)

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

Detection summary

6
PFAS compounds detected
12 ppt
Highest single detection
2025-08-13
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
lithiumND—Below MRL2025-11-04
PFBAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-08-13
4:2 FTSND—Below MRL2025-08-13
lithiumND—Below MRL2025-08-13
PFTrDAND—Below MRL2025-08-13
NMeFOSAAND—Below MRL2025-08-13
PFHxSND10Below MRL2025-08-13
PFDoAND—Below MRL2025-08-13
PFOSND4Below MRL2025-08-13
PFUnAND—Below MRL2025-08-13
PFHxAND—Below MRL2025-08-13
PFDAND—Below MRL2025-08-13
PFTAND—Below MRL2025-08-13
PFNAND10Below MRL2025-08-13
6:2 FTSND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFOSND4Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-08-13
PFBAND—Below MRL2025-08-13
6:2 FTSND—Below MRL2025-08-13
4:2 FTSND—Below MRL2025-08-13
8:2 FTSND—Below MRL2025-08-13
PFMPAND—Below MRL2025-08-13
PFMBAND—Below MRL2025-08-13
NFDHAND—Below MRL2025-08-13
PFHpSND—Below MRL2025-08-13
PFPeSND—Below MRL2025-08-13
PFEESAND—Below MRL2025-08-13
PFNAND10Below MRL2025-08-13
ADONAND—Below MRL2025-08-13
lithiumND—Below MRL2025-08-13
PFDAND—Below MRL2025-08-13
PFTrDAND—Below MRL2025-08-13
NEtFOSAAND—Below MRL2025-08-13
PFHxSND10Below MRL2025-08-13
PFTAND—Below MRL2025-08-13
PFDoAND—Below MRL2025-08-13
PFUnAND—Below MRL2025-08-13
11Cl-PF3OUdSND—Below MRL2025-08-13
9Cl-PF3ONSND—Below MRL2025-08-13
NMeFOSAAND—Below MRL2025-08-13
9Cl-PF3ONSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
PFHxAND—Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFNAND10Below 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
PFOSND4Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFBSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
PFEESAND—Below MRL2025-05-06
lithiumND—Below MRL2025-05-06
PFBSND—Below MRL2025-05-06
11Cl-PF3OUdSND—Below MRL2025-05-06
PFUnAND—Below MRL2025-05-06
PFDoAND—Below MRL2025-05-06
PFOSND4Below MRL2025-05-06
PFNAND10Below MRL2025-05-06
9Cl-PF3ONSND—Below MRL2025-05-06
PFHpAND—Below MRL2025-05-06
PFHxAND—Below MRL2025-05-06
NMeFOSAAND—Below MRL2025-05-06
NEtFOSAAND—Below MRL2025-05-06
PFTrDAND—Below MRL2025-05-06
PFTAND—Below MRL2025-05-06
PFPeSND—Below MRL2025-05-06
PFHpSND—Below MRL2025-05-06
PFHxSND10Below MRL2025-05-06
8:2 FTSND—Below MRL2025-05-06
PFDAND—Below MRL2025-05-06
ADONAND—Below MRL2025-05-06
NFDHAND—Below MRL2025-05-06
PFMPAND—Below MRL2025-05-06
PFMBAND—Below MRL2025-05-06
4:2 FTSND—Below MRL2025-05-06
6:2 FTSND—Below MRL2025-05-06
PFBAND—Below MRL2025-05-06
HFPO-DAND10Below MRL2025-05-06
PFPeAND—Below MRL2025-05-06
HFPO-DAND10Below MRL2025-08-13
PFMPAND—Below MRL2025-08-13
ADONAND—Below MRL2025-08-13
6:2 FTSND—Below MRL2025-08-13
PFHpAND—Below MRL2025-08-13
8:2 FTSND—Below MRL2025-08-13
PFPeAND—Below MRL2025-08-13
PFMBAND—Below MRL2025-08-13
PFBSND—Below MRL2025-08-13
PFPeSND—Below MRL2025-08-13
NFDHAND—Below MRL2025-08-13
PFEESAND—Below MRL2025-08-13
9Cl-PF3ONSND—Below MRL2025-08-13
PFBAND—Below MRL2025-08-13
PFHpSND—Below MRL2025-08-13
NEtFOSAAND—Below MRL2025-08-13
PFOA124Exceeds2025-08-13
PFOA9.74Exceeds2025-02-11
PFHxA5—2025-08-13
PFBS5—2025-08-13
PFOA4.94Exceeds2025-08-13
PFOS4.84Exceeds2025-08-13
PFOA4.64Exceeds2025-05-06
PFOA4.34Exceeds2025-02-11
PFPeA4.3—2025-08-13
PFHpA4—2025-08-13
PFHxA3.8—2025-02-11
PFHpA3.5—2025-02-11
PFBS3.1—2025-02-11
PFPeA3.1—2025-02-11

Next steps

MANCHESTER BY THE SEA DPW PFAS results — MANCHESTER BY THE SEA, MA | PFAS Comply