PFAS Comply

GRAFTON WATER DISTRICT

PWSID: MA2110000 · GRAFTON, MA · Serving 10,925 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

PFOA6.9 ppt(MCL: 4 ppt)
PFOS6.9 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
6.9 ppt
Highest single detection
2024-09-25
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHpSND—Below MRL2025-08-20
NFDHAND—Below MRL2024-10-23
PFBAND—Below MRL2024-10-23
6:2 FTSND—Below MRL2024-10-23
4:2 FTSND—Below MRL2024-10-23
HFPO-DAND10Below MRL2024-10-23
PFMPAND—Below MRL2024-10-23
ADONAND—Below MRL2024-10-23
PFMBAND—Below MRL2024-10-23
PFEESAND—Below MRL2024-10-23
PFHpSND—Below MRL2024-10-23
PFPeSND—Below MRL2024-10-23
lithiumND—Below MRL2024-09-25
8:2 FTSND—Below MRL2024-10-23
PFDAND—Below MRL2024-10-23
PFTAND—Below MRL2024-09-25
PFTrDAND—Below MRL2024-09-25
NEtFOSAAND—Below MRL2024-09-25
NMeFOSAAND—Below MRL2024-09-25
PFHxSND10Below MRL2024-10-23
PFNAND10Below MRL2024-10-23
PFHpAND—Below MRL2024-10-23
PFHxSND10Below MRL2025-08-20
PFMPAND—Below MRL2025-08-20
NEtFOSAAND—Below MRL2025-08-20
PFTrDAND—Below MRL2025-08-20
PFTAND—Below MRL2025-08-20
lithiumND—Below MRL2025-08-20
NMeFOSAAND—Below MRL2025-08-20
NFDHAND—Below MRL2025-08-20
PFEESAND—Below MRL2025-08-20
9Cl-PF3ONSND—Below MRL2025-08-20
8:2 FTSND—Below MRL2025-08-20
4:2 FTSND—Below MRL2025-08-20
6:2 FTSND—Below MRL2025-08-20
PFBAND—Below MRL2025-08-20
HFPO-DAND10Below MRL2025-08-20
ADONAND—Below MRL2025-08-20
PFMBAND—Below MRL2025-08-20
PFDoAND—Below MRL2024-10-23
PFBSND—Below MRL2024-10-23
PFUnAND—Below MRL2024-10-23
11Cl-PF3OUdSND—Below MRL2024-10-23
9Cl-PF3ONSND—Below MRL2024-10-23
PFMBAND—Below MRL2025-08-20
PFMPAND—Below MRL2025-08-20
PFTAND—Below MRL2025-08-20
6:2 FTSND—Below MRL2025-08-20
8:2 FTSND—Below MRL2025-08-20
PFBAND—Below MRL2025-08-20
HFPO-DAND10Below MRL2025-08-20
ADONAND—Below MRL2025-08-20
9Cl-PF3ONSND—Below MRL2025-08-20
11Cl-PF3OUdSND—Below MRL2025-08-20
PFUnAND—Below MRL2025-08-20
PFHxAND—Below MRL2025-08-20
PFDoAND—Below MRL2025-08-20
PFPeAND—Below MRL2025-08-20
NEtFOSAAND—Below MRL2025-08-20
PFNAND10Below MRL2025-08-20
PFHxSND10Below MRL2025-08-20
PFHpAND—Below MRL2025-08-20
lithiumND—Below MRL2025-08-20
PFHpSND—Below MRL2025-08-20
PFPeSND—Below MRL2025-08-20
NFDHAND—Below MRL2025-08-20
PFEESAND—Below MRL2025-08-20
4:2 FTSND—Below MRL2025-08-20
PFTrDAND—Below MRL2025-08-20
NMeFOSAAND—Below MRL2025-08-20
PFDAND—Below MRL2025-08-20
PFHpSND—Below MRL2024-09-25
11Cl-PF3OUdSND—Below MRL2024-09-25
PFTAND—Below MRL2024-09-25
PFPeSND—Below MRL2024-09-25
PFEESAND—Below MRL2024-09-25
PFMBAND—Below MRL2024-09-25
PFPeAND—Below MRL2024-09-25
PFMPAND—Below MRL2024-09-25
8:2 FTSND—Below MRL2024-09-25
4:2 FTSND—Below MRL2024-09-25
6:2 FTSND—Below MRL2024-09-25
PFBAND—Below MRL2024-09-25
HFPO-DAND10Below MRL2024-09-25
NFDHAND—Below MRL2024-09-25
9Cl-PF3ONSND—Below MRL2024-09-25
PFNAND10Below MRL2024-09-25
NEtFOSAAND—Below MRL2024-09-25
NMeFOSAAND—Below MRL2024-09-25
lithiumND—Below MRL2024-09-25
PFBSND—Below MRL2024-09-25
ADONAND—Below MRL2024-09-25
PFHxSND10Below MRL2024-09-25
PFTrDAND—Below MRL2024-09-25
PFDAND—Below MRL2024-09-25
PFDoAND—Below MRL2024-09-25
PFHxAND—Below MRL2024-09-25
PFUnAND—Below MRL2024-09-25
PFHpAND—Below MRL2024-09-25
PFHxAND—Below MRL2025-08-20
lithiumND—Below MRL2025-08-20
NEtFOSAAND—Below MRL2025-08-20
NMeFOSAAND—Below MRL2025-08-20
PFTrDAND—Below MRL2025-08-20
PFTAND—Below MRL2025-08-20
PFHpSND—Below MRL2025-08-20
PFDAND—Below MRL2025-08-20
NFDHAND—Below MRL2025-08-20
PFNAND10Below MRL2025-08-20
PFHxSND10Below MRL2025-08-20
PFHpAND—Below MRL2025-08-20
PFUnAND—Below MRL2025-08-20
6:2 FTSND—Below MRL2025-08-20
PFPeSND—Below MRL2025-08-20
ADONAND—Below MRL2025-08-20
11Cl-PF3OUdSND—Below MRL2025-08-20
PFBAND—Below MRL2025-08-20
9Cl-PF3ONSND—Below MRL2025-08-20
4:2 FTSND—Below MRL2025-08-20
8:2 FTSND—Below MRL2025-08-20
PFMPAND—Below MRL2025-08-20
PFPeAND—Below MRL2025-08-20
PFMBAND—Below MRL2025-08-20
PFEESAND—Below MRL2025-08-20
PFDoAND—Below MRL2025-08-20
HFPO-DAND10Below MRL2025-08-20
6:2 FTSND—Below MRL2024-09-25
PFBAND—Below MRL2024-09-25
HFPO-DAND10Below MRL2024-09-25
ADONAND—Below MRL2024-09-25
9Cl-PF3ONSND—Below MRL2024-09-25
11Cl-PF3OUdSND—Below MRL2024-09-25
PFUnAND—Below MRL2024-09-25
PFHxAND—Below MRL2024-09-25
PFDoAND—Below MRL2024-09-25
PFDAND—Below MRL2024-09-25
PFOAND4Below MRL2024-09-25
PFNAND10Below MRL2024-09-25
PFHpAND—Below MRL2024-09-25
PFBSND—Below MRL2024-09-25
NEtFOSAAND—Below MRL2024-09-25
PFOSND4Below MRL2024-09-25
PFHpSND—Below MRL2024-09-25
NMeFOSAAND—Below MRL2024-09-25
PFTrDAND—Below MRL2024-09-25
PFHxSND10Below MRL2024-09-25
PFTAND—Below MRL2024-09-25
lithiumND—Below MRL2024-09-25
4:2 FTSND—Below MRL2024-09-25
PFPeSND—Below MRL2024-09-25
NFDHAND—Below MRL2024-09-25
PFEESAND—Below MRL2024-09-25
PFMBAND—Below MRL2024-09-25
PFPeAND—Below MRL2024-09-25
PFMPAND—Below MRL2024-09-25
8:2 FTSND—Below MRL2024-09-25
ADONAND—Below MRL2025-08-20
PFHpAND—Below MRL2025-08-20
HFPO-DAND10Below MRL2025-08-20
lithiumND—Below MRL2025-08-20
NEtFOSAAND—Below MRL2025-08-20
9Cl-PF3ONSND—Below MRL2025-08-20
11Cl-PF3OUdSND—Below MRL2025-08-20
PFUnAND—Below MRL2025-08-20
PFHxAND—Below MRL2025-08-20
PFDoAND—Below MRL2025-08-20
PFDAND—Below MRL2025-08-20
PFOAND4Below MRL2025-08-20
PFOSND4Below MRL2025-08-20
PFNAND10Below MRL2025-08-20
PFHxSND10Below MRL2025-08-20
NMeFOSAAND—Below MRL2025-08-20
PFBSND—Below MRL2025-08-20
6:2 FTSND—Below MRL2025-08-20
PFTrDAND—Below MRL2025-08-20
PFTAND—Below MRL2025-08-20
PFHpSND—Below MRL2025-08-20
PFPeSND—Below MRL2025-08-20
NFDHAND—Below MRL2025-08-20
PFEESAND—Below MRL2025-08-20
PFMBAND—Below MRL2025-08-20
PFPeAND—Below MRL2025-08-20
PFMPAND—Below MRL2025-08-20
8:2 FTSND—Below MRL2025-08-20
4:2 FTSND—Below MRL2025-08-20
PFBAND—Below MRL2025-08-20
PFBAND—Below MRL2024-09-25
PFUnAND—Below MRL2024-09-25
4:2 FTSND—Below MRL2024-09-25
PFHpAND—Below MRL2024-09-25
PFHxSND10Below MRL2024-09-25
PFNAND10Below MRL2024-09-25
PFOSND4Below MRL2024-09-25
PFOAND4Below MRL2024-09-25
PFDAND—Below MRL2024-09-25
PFHxAND—Below MRL2024-09-25
PFBSND—Below MRL2024-09-25
11Cl-PF3OUdSND—Below MRL2024-09-25
9Cl-PF3ONSND—Below MRL2024-09-25
ADONAND—Below MRL2024-09-25
HFPO-DAND10Below MRL2024-09-25
PFTrDAND—Below MRL2024-09-25
NMeFOSAAND—Below MRL2024-09-25
PFDoAND—Below MRL2024-09-25
PFTAND—Below MRL2024-09-25
6:2 FTSND—Below MRL2024-09-25
lithiumND—Below MRL2024-09-25
NEtFOSAAND—Below MRL2024-09-25
PFHpSND—Below MRL2024-09-25
8:2 FTSND—Below MRL2024-09-25
NFDHAND—Below MRL2024-09-25
PFEESAND—Below MRL2024-09-25
PFMBAND—Below MRL2024-09-25
PFPeAND—Below MRL2024-09-25
PFMPAND—Below MRL2024-09-25
PFPeSND—Below MRL2024-09-25
PFUnAND—Below MRL2025-08-20
PFDoAND—Below MRL2025-08-20
PFDAND—Below MRL2025-08-20
PFNAND10Below MRL2025-08-20
PFPeSND—Below MRL2025-08-20
PFHpAND—Below MRL2025-08-20
11Cl-PF3OUdSND—Below MRL2025-08-20
PFOA6.94Exceeds2024-10-23
PFOS6.94Exceeds2024-10-23
PFOA6.44Exceeds2025-08-20
PFOA6.14Exceeds2025-08-20
PFOS5.84Exceeds2025-08-20
PFOS5.54Exceeds2025-08-20
PFOS5.24Exceeds2025-08-20
PFOS4.94Exceeds2024-09-25
PFOA4.34Exceeds2024-09-25
PFOA4.14Exceeds2025-08-20
PFHxA3.6—2025-08-20
PFPeA3.5—2025-08-20
PFHxA3.3—2024-10-23
PFPeA3.2—2024-10-23
PFBS3.1—2025-08-20
PFBS3.1—2025-08-20
PFBS3—2025-08-20

Next steps