PFAS Comply

WALPOLE WATER DEPT

PWSID: MA4307000 · WALPOLE, MA · Serving 24,070 people

Type: CWSOwner: LSource: GW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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At risk

PFAS detected at levels approaching EPA MCLs. Monitoring recommended.

Key contaminants vs MCL

PFOA4 ppt
PFOS4 ppt

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

Detection summary

6
PFAS compounds detected
16 ppt
Highest single detection
2023-08-14
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
NFDHAND—Below MRL2024-02-07
6:2 FTSND—Below MRL2023-08-14
PFDAND—Below MRL2023-08-14
PFHxAND—Below MRL2023-08-14
9Cl-PF3ONSND—Below MRL2023-08-14
ADONAND—Below MRL2023-08-14
HFPO-DAND10Below MRL2023-08-14
NMeFOSAAND—Below MRL2024-02-07
HFPO-DAND10Below MRL2024-02-07
ADONAND—Below MRL2024-02-07
11Cl-PF3OUdSND—Below MRL2024-02-07
PFEESAND—Below MRL2024-02-07
lithiumND—Below MRL2024-02-07
PFPeSND—Below MRL2024-02-07
PFBSND—Below MRL2024-02-07
PFDAND—Below MRL2024-02-07
PFNAND10Below MRL2024-02-07
PFHxSND10Below MRL2024-02-07
PFDoAND—Below MRL2024-02-07
9Cl-PF3ONSND—Below MRL2024-02-07
PFEESAND—Below MRL2023-08-14
4:2 FTSND—Below MRL2023-08-14
8:2 FTSND—Below MRL2023-08-14
PFMPAND—Below MRL2023-08-14
NFDHAND—Below MRL2023-08-14
PFMBAND—Below MRL2023-08-14
PFOAND4Below MRL2023-08-14
NMeFOSAAND—Below MRL2023-08-14
PFPeAND—Below MRL2023-08-14
11Cl-PF3OUdSND—Below MRL2023-08-14
lithiumND—Below MRL2023-08-14
PFDoAND—Below MRL2023-08-14
NEtFOSAAND—Below MRL2023-08-14
PFOSND4Below MRL2023-08-14
PFTrDAND—Below MRL2023-08-14
PFTAND—Below MRL2023-08-14
PFHpSND—Below MRL2023-08-14
PFNAND10Below MRL2023-08-14
PFBSND—Below MRL2023-08-14
PFUnAND—Below MRL2023-08-14
PFHpAND—Below MRL2023-08-14
PFHxSND10Below MRL2023-08-14
PFPeSND—Below MRL2023-08-14
6:2 FTSND—Below MRL2024-03-11
4:2 FTSND—Below MRL2024-03-11
8:2 FTSND—Below MRL2024-03-11
PFMPAND—Below MRL2024-03-11
PFPeAND—Below MRL2024-03-11
PFMBAND—Below MRL2024-03-11
PFEESAND—Below MRL2024-03-11
PFTrDAND—Below MRL2024-02-07
PFPeSND—Below MRL2024-03-11
PFTAND—Below MRL2024-02-07
HFPO-DAND10Below MRL2024-03-11
NEtFOSAAND—Below MRL2024-02-07
PFHpSND—Below MRL2024-03-11
NMeFOSAAND—Below MRL2024-02-07
NFDHAND—Below MRL2024-03-11
PFHxSND10Below MRL2024-03-11
PFHpAND—Below MRL2024-03-11
ADONAND—Below MRL2024-03-11
PFBSND—Below MRL2024-03-11
PFNAND10Below MRL2024-03-11
PFOSND4Below MRL2024-03-11
PFOAND4Below MRL2024-03-11
11Cl-PF3OUdSND—Below MRL2024-03-11
PFDoAND—Below MRL2024-03-11
PFHxAND—Below MRL2024-03-11
PFUnAND—Below MRL2024-03-11
PFDAND—Below MRL2024-03-11
lithiumND—Below MRL2024-02-07
9Cl-PF3ONSND—Below MRL2024-03-11
PFTrDAND—Below MRL2023-08-14
PFHpSND—Below MRL2023-08-14
PFPeSND—Below MRL2023-08-14
NFDHAND—Below MRL2023-08-14
11Cl-PF3OUdSND—Below MRL2023-08-14
PFMBAND—Below MRL2023-08-14
PFNAND10Below MRL2023-08-14
PFEESAND—Below MRL2023-08-14
PFUnAND—Below MRL2023-08-14
PFTAND—Below MRL2023-08-14
NEtFOSAAND—Below MRL2023-08-14
NMeFOSAAND—Below MRL2023-08-14
PFBSND—Below MRL2023-08-14
PFHxSND10Below MRL2023-08-14
HFPO-DAND10Below MRL2023-08-14
lithiumND—Below MRL2023-08-14
PFMPAND—Below MRL2023-08-14
8:2 FTSND—Below MRL2023-08-14
PFDoAND—Below MRL2023-08-14
4:2 FTSND—Below MRL2023-08-14
6:2 FTSND—Below MRL2023-08-14
9Cl-PF3ONSND—Below MRL2023-08-14
ADONAND—Below MRL2023-08-14
PFDAND—Below MRL2023-08-14
PFMBAND—Below MRL2024-02-07
PFMPAND—Below MRL2024-02-07
NEtFOSAAND—Below MRL2024-02-07
8:2 FTSND—Below MRL2024-02-07
4:2 FTSND—Below MRL2024-02-07
6:2 FTSND—Below MRL2024-02-07
PFTAND—Below MRL2024-02-07
PFTrDAND—Below MRL2024-02-07
PFHpSND—Below MRL2024-02-07
PFUnAND—Below MRL2024-02-07
PFBA16—2024-03-11
PFBA13—2023-08-14
PFBA13—2024-02-07
PFPeA12—2024-02-07
PFPeA12—2023-08-14
PFBA8—2023-08-14
PFHxA7—2023-08-14
PFHxA7—2024-02-07
PFOS44Detected2023-08-14
PFOS44Detected2024-02-07
PFOA44Detected2024-02-07
PFOA44Detected2023-08-14
PFHpA3—2023-08-14
PFHpA3—2024-02-07

Next steps