PFAS Comply

STOUGHTON WATER DEPARTMENT

PWSID: MA4285000 · STOUGHTON, MA · Serving 29,281 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

PFOA7.3 ppt(MCL: 4 ppt)
PFOS6.3 ppt(MCL: 4 ppt)

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

Detection summary

5
PFAS compounds detected
7.3 ppt
Highest single detection
2025-09-04
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
lithiumND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
PFBSND—Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
PFNAND10Below MRL2025-09-04
PFOSND4Below MRL2025-09-04
PFOAND4Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
PFHxAND—Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
9Cl-PF3ONSND—Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
6:2 FTSND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
PFPeAND—Below MRL2025-09-04
PFMBAND—Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
9Cl-PF3ONSND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
PFMBAND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
PFNAND10Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
PFMBAND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
6:2 FTSND—Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
9Cl-PF3ONSND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
PFMBAND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
PFPeAND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
6:2 FTSND—Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
9Cl-PF3ONSND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
PFBSND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
PFNAND10Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
PFHxAND—Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
NFDHAND—Below MRL2025-09-04
PFBSND—Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
PFNAND10Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
PFHxAND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
9Cl-PF3ONSND—Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
NEtFOSAAND—Below MRL2025-09-04
PFHpAND—Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
PFTrDAND—Below MRL2025-09-04
NMeFOSAAND—Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
PFMBAND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
PFPeAND—Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
PFTAND—Below MRL2025-09-04
6:2 FTSND—Below MRL2025-09-04
PFOSND4Below MRL2025-09-04
PFDAND—Below MRL2025-09-04
PFDoAND—Below MRL2025-09-04
11Cl-PF3OUdSND—Below MRL2025-09-04
PFUnAND—Below MRL2025-09-04
PFPeSND—Below MRL2025-09-04
ADONAND—Below MRL2025-09-04
HFPO-DAND10Below MRL2025-09-04
PFBAND—Below MRL2025-09-04
6:2 FTSND—Below MRL2025-09-04
4:2 FTSND—Below MRL2025-09-04
8:2 FTSND—Below MRL2025-09-04
PFMPAND—Below MRL2025-09-04
PFHxSND10Below MRL2025-09-04
PFEESAND—Below MRL2025-09-04
PFNAND10Below MRL2025-09-04
PFHpSND—Below MRL2025-09-04
lithiumND—Below MRL2025-09-04
PFOA7.34Exceeds2025-09-04
PFOS6.34Exceeds2025-09-04
PFOA5.94Exceeds2025-09-04
PFOA5.94Exceeds2025-09-04
PFOA5.14Exceeds2025-09-04
PFHxA5—2025-09-04
PFOS4.84Exceeds2025-09-04
PFHxA4.3—2025-09-04
PFOS4.14Exceeds2025-09-04
PFPeA3.9—2025-09-04
PFPeA3.4—2025-09-04
PFBS3.2—2025-09-04
PFBS3.1—2025-09-04

Next steps