PFAS Comply

SUDBURY WATER DISTRICT

PWSID: MA3288000 · SUDBURY, MA · Serving 18,416 people

Type: CWSOwner: LSource: GW
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

PFOA9 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
9 ppt
Highest single detection
2025-06-06
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
9Cl-PF3ONSND—Below MRL2025-06-06
6:2 FTSND—Below MRL2024-12-06
4:2 FTSND—Below MRL2024-12-06
8:2 FTSND—Below MRL2024-12-06
PFMPAND—Below MRL2024-12-06
lithiumND—Below MRL2024-12-06
PFBAND—Below MRL2024-12-06
PFTrDAND—Below MRL2024-12-06
NMeFOSAAND—Below MRL2025-06-06
PFDoAND—Below MRL2025-06-06
PFDAND—Below MRL2025-06-06
PFOSND4Below MRL2025-06-06
PFNAND10Below MRL2025-06-06
PFHxSND10Below MRL2025-06-06
PFUnAND—Below MRL2025-06-06
PFTAND—Below MRL2025-06-06
PFTrDAND—Below MRL2025-06-06
NEtFOSAAND—Below MRL2025-06-06
8:2 FTSND—Below MRL2025-06-06
lithiumND—Below MRL2025-06-06
PFHpSND—Below MRL2025-06-06
PFPeSND—Below MRL2025-06-06
NFDHAND—Below MRL2025-06-06
11Cl-PF3OUdSND—Below MRL2025-06-06
PFMBAND—Below MRL2025-06-06
PFMPAND—Below MRL2025-06-06
PFEESAND—Below MRL2025-06-06
4:2 FTSND—Below MRL2025-06-06
6:2 FTSND—Below MRL2025-06-06
PFBAND—Below MRL2025-06-06
HFPO-DAND10Below MRL2025-06-06
ADONAND—Below MRL2025-06-06
9Cl-PF3ONSND—Below MRL2025-06-06
PFMBAND—Below MRL2024-12-06
PFBAND—Below MRL2024-12-06
NFDHAND—Below MRL2024-12-06
PFHpSND—Below MRL2024-12-06
lithiumND—Below MRL2024-12-06
NMeFOSAAND—Below MRL2024-12-06
PFTAND—Below MRL2024-12-06
PFTrDAND—Below MRL2024-12-06
NEtFOSAAND—Below MRL2024-12-06
PFEESAND—Below MRL2024-12-06
HFPO-DAND10Below MRL2024-12-06
PFHxSND10Below MRL2024-12-06
PFOSND4Below MRL2024-12-06
PFHpAND—Below MRL2024-12-06
PFDAND—Below MRL2024-12-06
PFDoAND—Below MRL2024-12-06
PFUnAND—Below MRL2024-12-06
11Cl-PF3OUdSND—Below MRL2024-12-06
9Cl-PF3ONSND—Below MRL2024-12-06
ADONAND—Below MRL2024-12-06
PFNAND10Below MRL2024-12-06
PFDoAND—Below MRL2025-06-06
PFHpAND—Below MRL2025-06-06
PFHxSND10Below MRL2025-06-06
PFBAND—Below MRL2025-06-06
PFMBAND—Below MRL2025-06-06
PFEESAND—Below MRL2025-06-06
NFDHAND—Below MRL2025-06-06
PFTrDAND—Below MRL2025-06-06
PFDAND—Below MRL2025-06-06
lithiumND—Below MRL2025-06-06
11Cl-PF3OUdSND—Below MRL2025-06-06
PFTAND—Below MRL2025-06-06
PFOSND4Below MRL2025-06-06
PFNAND10Below MRL2025-06-06
HFPO-DAND10Below MRL2025-06-06
6:2 FTSND—Below MRL2025-06-06
9Cl-PF3ONSND—Below MRL2025-06-06
PFUnAND—Below MRL2025-06-06
PFHpSND—Below MRL2025-06-06
PFPeSND—Below MRL2025-06-06
PFMPAND—Below MRL2025-06-06
8:2 FTSND—Below MRL2025-06-06
4:2 FTSND—Below MRL2025-06-06
NMeFOSAAND—Below MRL2025-06-06
ADONAND—Below MRL2025-06-06
NEtFOSAAND—Below MRL2025-06-06
PFOAND4Below MRL2024-12-06
NMeFOSAAND—Below MRL2024-12-06
NEtFOSAAND—Below MRL2024-12-06
PFTrDAND—Below MRL2024-12-06
PFTAND—Below MRL2024-12-06
lithiumND—Below MRL2024-12-06
PFBSND—Below MRL2024-12-06
PFHpAND—Below MRL2024-12-06
PFHxSND10Below MRL2024-12-06
PFOSND4Below MRL2024-12-06
PFDAND—Below MRL2024-12-06
PFDoAND—Below MRL2024-12-06
PFHxAND—Below MRL2024-12-06
PFUnAND—Below MRL2024-12-06
11Cl-PF3OUdSND—Below MRL2024-12-06
PFMPAND—Below MRL2024-12-06
PFHpSND—Below MRL2024-12-06
PFPeSND—Below MRL2024-12-06
NFDHAND—Below MRL2024-12-06
PFEESAND—Below MRL2024-12-06
PFNAND10Below MRL2024-12-06
9Cl-PF3ONSND—Below MRL2024-12-06
PFPeAND—Below MRL2024-12-06
8:2 FTSND—Below MRL2024-12-06
4:2 FTSND—Below MRL2024-12-06
6:2 FTSND—Below MRL2024-12-06
HFPO-DAND10Below MRL2024-12-06
ADONAND—Below MRL2024-12-06
PFMBAND—Below MRL2024-12-06
PFTAND—Below MRL2025-06-06
ADONAND—Below MRL2025-06-06
8:2 FTSND—Below MRL2025-06-06
PFEESAND—Below MRL2025-06-06
HFPO-DAND10Below MRL2025-06-06
PFMPAND—Below MRL2025-06-06
9Cl-PF3ONSND—Below MRL2025-06-06
NMeFOSAAND—Below MRL2025-06-06
PFTrDAND—Below MRL2025-06-06
PFBAND—Below MRL2025-06-06
NFDHAND—Below MRL2025-06-06
NEtFOSAAND—Below MRL2025-06-06
PFOAND4Below MRL2025-06-06
PFHpSND—Below MRL2025-06-06
PFPeSND—Below MRL2025-06-06
PFHxAND—Below MRL2025-06-06
PFMBAND—Below MRL2025-06-06
lithiumND—Below MRL2025-06-06
PFUnAND—Below MRL2025-06-06
PFPeAND—Below MRL2025-06-06
PFDAND—Below MRL2025-06-06
6:2 FTSND—Below MRL2025-06-06
PFOSND4Below MRL2025-06-06
PFNAND10Below MRL2025-06-06
PFHxSND10Below MRL2025-06-06
PFHpAND—Below MRL2025-06-06
PFBSND—Below MRL2025-06-06
4:2 FTSND—Below MRL2025-06-06
PFDoAND—Below MRL2025-06-06
11Cl-PF3OUdSND—Below MRL2025-06-06
PFDoAND—Below MRL2024-12-06
NFDHAND—Below MRL2024-12-06
PFMBAND—Below MRL2024-12-06
PFMPAND—Below MRL2024-12-06
8:2 FTSND—Below MRL2024-12-06
4:2 FTSND—Below MRL2024-12-06
6:2 FTSND—Below MRL2024-12-06
PFBAND—Below MRL2024-12-06
HFPO-DAND10Below MRL2024-12-06
ADONAND—Below MRL2024-12-06
9Cl-PF3ONSND—Below MRL2024-12-06
11Cl-PF3OUdSND—Below MRL2024-12-06
PFHpSND—Below MRL2024-12-06
PFPeSND—Below MRL2024-12-06
PFDAND—Below MRL2024-12-06
PFOSND4Below MRL2024-12-06
PFNAND10Below MRL2024-12-06
PFHxSND10Below MRL2024-12-06
PFHpAND—Below MRL2024-12-06
lithiumND—Below MRL2024-12-06
NMeFOSAAND—Below MRL2024-12-06
NEtFOSAAND—Below MRL2024-12-06
PFTrDAND—Below MRL2024-12-06
PFTAND—Below MRL2024-12-06
PFUnAND—Below MRL2024-12-06
PFEESAND—Below MRL2024-12-06
PFDoAND—Below MRL2025-06-06
PFBAND—Below MRL2025-06-06
HFPO-DAND10Below MRL2025-06-06
ADONAND—Below MRL2025-06-06
9Cl-PF3ONSND—Below MRL2025-06-06
11Cl-PF3OUdSND—Below MRL2025-06-06
6:2 FTSND—Below MRL2025-06-06
PFNAND10Below MRL2025-06-06
PFDAND—Below MRL2025-06-06
PFOSND4Below MRL2025-06-06
PFHxSND10Below MRL2025-06-06
PFUnAND—Below MRL2025-06-06
PFTAND—Below MRL2025-06-06
PFHpAND—Below MRL2025-06-06
NMeFOSAAND—Below MRL2025-06-06
4:2 FTSND—Below MRL2025-06-06
PFTrDAND—Below MRL2025-06-06
lithiumND—Below MRL2025-06-06
PFHpSND—Below MRL2025-06-06
PFPeSND—Below MRL2025-06-06
NFDHAND—Below MRL2025-06-06
PFEESAND—Below MRL2025-06-06
PFMBAND—Below MRL2025-06-06
PFMPAND—Below MRL2025-06-06
8:2 FTSND—Below MRL2025-06-06
NEtFOSAAND—Below MRL2025-06-06
PFMPAND—Below MRL2024-12-06
9Cl-PF3ONSND—Below MRL2024-12-06
ADONAND—Below MRL2024-12-06
HFPO-DAND10Below MRL2024-12-06
PFBAND—Below MRL2024-12-06
6:2 FTSND—Below MRL2024-12-06
PFHpSND—Below MRL2024-12-06
8:2 FTSND—Below MRL2024-12-06
PFHxAND—Below MRL2024-12-06
PFPeAND—Below MRL2024-12-06
PFMBAND—Below MRL2024-12-06
PFEESAND—Below MRL2024-12-06
NFDHAND—Below MRL2024-12-06
PFPeSND—Below MRL2024-12-06
4:2 FTSND—Below MRL2024-12-06
PFUnAND—Below MRL2024-12-06
PFHpAND—Below MRL2024-12-06
PFDoAND—Below MRL2024-12-06
PFDAND—Below MRL2024-12-06
PFOAND4Below MRL2024-12-06
PFOSND4Below MRL2024-12-06
PFNAND10Below MRL2024-12-06
PFHxSND10Below MRL2024-12-06
PFBSND—Below MRL2024-12-06
NMeFOSAAND—Below MRL2024-12-06
NEtFOSAAND—Below MRL2024-12-06
PFTrDAND—Below MRL2024-12-06
PFTAND—Below MRL2024-12-06
lithiumND—Below MRL2024-12-06
11Cl-PF3OUdSND—Below MRL2024-12-06
PFNAND10Below MRL2025-06-06
NFDHAND—Below MRL2025-06-06
PFUnAND—Below MRL2025-06-06
PFHxAND—Below MRL2025-06-06
PFHpSND—Below MRL2025-06-06
PFPeAND—Below MRL2025-06-06
PFMPAND—Below MRL2025-06-06
8:2 FTSND—Below MRL2025-06-06
4:2 FTSND—Below MRL2025-06-06
6:2 FTSND—Below MRL2025-06-06
HFPO-DAND10Below MRL2025-06-06
ADONAND—Below MRL2025-06-06
PFPeSND—Below MRL2025-06-06
lithiumND—Below MRL2025-06-06
PFPeSND—Below MRL2024-12-06
PFHxSND10Below MRL2025-06-06
PFHpAND—Below MRL2025-06-06
PFBSND—Below MRL2025-06-06
PFEESAND—Below MRL2025-06-06
PFMBAND—Below MRL2025-06-06
PFDoAND—Below MRL2025-06-06
PFDAND—Below MRL2025-06-06
PFOAND4Below MRL2025-06-06
NMeFOSAAND—Below MRL2025-06-06
NEtFOSAAND—Below MRL2025-06-06
PFTrDAND—Below MRL2025-06-06
PFTAND—Below MRL2025-06-06
11Cl-PF3OUdSND—Below MRL2025-06-06
PFOSND4Below MRL2025-06-06
4:2 FTSND—Below MRL2024-12-06
PFNAND10Below MRL2024-12-06
PFOSND4Below MRL2024-12-06
PFDAND—Below MRL2024-12-06
PFDoAND—Below MRL2024-12-06
PFUnAND—Below MRL2024-12-06
11Cl-PF3OUdSND—Below MRL2024-12-06
9Cl-PF3ONSND—Below MRL2024-12-06
ADONAND—Below MRL2024-12-06
HFPO-DAND10Below MRL2024-12-06
PFHxSND10Below MRL2024-12-06
6:2 FTSND—Below MRL2024-12-06
PFHpSND—Below MRL2024-12-06
8:2 FTSND—Below MRL2024-12-06
PFMPAND—Below MRL2024-12-06
PFMBAND—Below MRL2024-12-06
PFEESAND—Below MRL2024-12-06
NFDHAND—Below MRL2024-12-06
PFPeSND—Below MRL2024-12-06
PFTAND—Below MRL2024-12-06
NEtFOSAAND—Below MRL2024-12-06
NMeFOSAAND—Below MRL2024-12-06
PFOA94Exceeds2025-06-06
PFOA84Exceeds2025-06-06
PFOA84Exceeds2024-12-06
PFOA84Exceeds2024-12-06
PFOA74Exceeds2025-06-06
PFHxA6—2025-06-06
PFOA64Exceeds2024-12-06
PFHxA6—2024-12-06
PFPeA5—2024-12-06
PFHxA5—2024-12-06
PFHxA5—2025-06-06
PFHxA5—2025-06-06
PFBA5—2024-12-06
PFPeA5—2024-12-06
PFHxA5—2024-12-06
PFBA5—2025-06-06
PFPeA5—2025-06-06
PFPeA5—2025-06-06
PFBS4—2025-06-06
PFPeA4—2025-06-06
PFPeA4—2024-12-06
PFBS4—2024-12-06
PFBS4—2024-12-06
PFBS4—2025-06-06
PFHpA3—2025-06-06
PFBS3—2025-06-06
PFHpA3—2024-12-06
PFBS3—2024-12-06

Next steps