PFAS Comply

WESTFORD WATER DEPARTMENT

PWSID: MA3330000 · WESTFORD, MA · Serving 18,680 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

PFOA8.6 ppt(MCL: 4 ppt)
PFOS4.4 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
8.6 ppt
Highest single detection
2023-07-11
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFNAND10Below MRL2023-10-10
PFTAND—Below MRL2023-01-23
PFTrDAND—Below MRL2023-01-23
NEtFOSAAND—Below MRL2023-01-23
NMeFOSAAND—Below MRL2023-01-23
HFPO-DAND10Below MRL2023-04-10
lithiumND—Below MRL2023-10-10
PFMBAND—Below MRL2023-10-10
PFPeSND—Below MRL2023-10-10
HFPO-DAND10Below MRL2023-10-10
PFHpAND—Below MRL2023-10-10
PFHxSND10Below MRL2023-10-10
PFOSND4Below MRL2023-10-10
PFBSND—Below MRL2023-10-10
PFDAND—Below MRL2023-10-10
PFDoAND—Below MRL2023-10-10
PFHxAND—Below MRL2023-10-10
PFUnAND—Below MRL2023-10-10
11Cl-PF3OUdSND—Below MRL2023-10-10
9Cl-PF3ONSND—Below MRL2023-10-10
ADONAND—Below MRL2023-10-10
lithiumND—Below MRL2023-01-23
PFMBAND—Below MRL2023-04-10
lithiumND—Below MRL2023-04-10
PFHpAND—Below MRL2023-04-10
PFHxSND10Below MRL2023-04-10
PFNAND10Below MRL2023-04-10
PFDoAND—Below MRL2023-04-10
PFUnAND—Below MRL2023-04-10
11Cl-PF3OUdSND—Below MRL2023-04-10
NMeFOSAAND—Below MRL2023-04-10
ADONAND—Below MRL2023-04-10
NEtFOSAAND—Below MRL2023-04-10
PFBAND—Below MRL2023-04-10
6:2 FTSND—Below MRL2023-04-10
4:2 FTSND—Below MRL2023-04-10
8:2 FTSND—Below MRL2023-04-10
PFMPAND—Below MRL2023-04-10
PFEESAND—Below MRL2023-04-10
NFDHAND—Below MRL2023-04-10
PFPeSND—Below MRL2023-04-10
PFHpSND—Below MRL2023-04-10
PFTAND—Below MRL2023-04-10
PFTrDAND—Below MRL2023-04-10
9Cl-PF3ONSND—Below MRL2023-04-10
PFDAND—Below MRL2023-04-10
PFHxSND10Below MRL2023-07-11
9Cl-PF3ONSND—Below MRL2023-07-11
11Cl-PF3OUdSND—Below MRL2023-07-11
PFUnAND—Below MRL2023-07-11
PFDoAND—Below MRL2023-07-11
ADONAND—Below MRL2023-07-11
PFNAND10Below MRL2023-07-11
PFHpAND—Below MRL2023-07-11
NMeFOSAAND—Below MRL2023-07-11
NEtFOSAAND—Below MRL2023-07-11
PFTrDAND—Below MRL2023-07-11
PFTAND—Below MRL2023-07-11
PFMBAND—Below MRL2023-07-11
lithiumND—Below MRL2023-07-11
PFDAND—Below MRL2023-07-11
HFPO-DAND10Below MRL2023-07-11
PFPeSND—Below MRL2023-07-11
PFEESAND—Below MRL2023-07-11
PFHpSND—Below MRL2023-07-11
PFMPAND—Below MRL2023-07-11
8:2 FTSND—Below MRL2023-07-11
4:2 FTSND—Below MRL2023-07-11
6:2 FTSND—Below MRL2023-07-11
PFBAND—Below MRL2023-07-11
NFDHAND—Below MRL2023-07-11
9Cl-PF3ONSND—Below MRL2023-10-10
ADONAND—Below MRL2023-10-10
PFDAND—Below MRL2023-10-10
11Cl-PF3OUdSND—Below MRL2023-10-10
PFUnAND—Below MRL2023-10-10
PFDoAND—Below MRL2023-10-10
PFOSND4Below MRL2023-10-10
PFNAND10Below MRL2023-10-10
PFHxSND10Below MRL2023-10-10
HFPO-DAND10Below MRL2023-10-10
PFPeSND—Below MRL2023-10-10
PFHpAND—Below MRL2023-10-10
PFTrDAND—Below MRL2023-10-10
PFEESAND—Below MRL2023-10-10
NEtFOSAAND—Below MRL2023-10-10
PFBAND—Below MRL2023-10-10
PFTAND—Below MRL2023-10-10
lithiumND—Below MRL2023-10-10
PFHpSND—Below MRL2023-10-10
NFDHAND—Below MRL2023-10-10
PFMBAND—Below MRL2023-10-10
PFMPAND—Below MRL2023-10-10
8:2 FTSND—Below MRL2023-10-10
4:2 FTSND—Below MRL2023-10-10
6:2 FTSND—Below MRL2023-10-10
NMeFOSAAND—Below MRL2023-10-10
NFDHAND—Below MRL2023-01-23
PFHxAND—Below MRL2023-01-23
PFUnAND—Below MRL2023-01-23
PFBAND—Below MRL2023-01-23
6:2 FTSND—Below MRL2023-01-23
4:2 FTSND—Below MRL2023-01-23
8:2 FTSND—Below MRL2023-01-23
PFMPAND—Below MRL2023-01-23
PFPeAND—Below MRL2023-01-23
PFHpSND—Below MRL2023-01-23
PFEESAND—Below MRL2023-01-23
PFPeSND—Below MRL2023-01-23
PFOAND4Below MRL2023-01-23
PFMBAND—Below MRL2023-01-23
PFTrDAND—Below MRL2023-01-23
PFDAND—Below MRL2023-01-23
PFDoAND—Below MRL2023-01-23
PFTAND—Below MRL2023-01-23
NEtFOSAAND—Below MRL2023-01-23
NMeFOSAAND—Below MRL2023-01-23
11Cl-PF3OUdSND—Below MRL2023-01-23
9Cl-PF3ONSND—Below MRL2023-01-23
ADONAND—Below MRL2023-01-23
lithiumND—Below MRL2023-01-23
PFBSND—Below MRL2023-01-23
PFHpAND—Below MRL2023-01-23
PFHxSND10Below MRL2023-01-23
PFNAND10Below MRL2023-01-23
HFPO-DAND10Below MRL2023-01-23
PFOSND4Below MRL2023-01-23
NMeFOSAAND—Below MRL2023-04-10
PFHxAND—Below MRL2023-04-10
PFDoAND—Below MRL2023-04-10
PFDAND—Below MRL2023-04-10
PFOAND4Below MRL2023-04-10
PFTAND—Below MRL2023-04-10
PFNAND10Below MRL2023-04-10
PFHpAND—Below MRL2023-04-10
PFTrDAND—Below MRL2023-04-10
lithiumND—Below MRL2023-04-10
NEtFOSAAND—Below MRL2023-04-10
PFUnAND—Below MRL2023-04-10
PFOSND4Below MRL2023-04-10
PFBSND—Below MRL2023-04-10
8:2 FTSND—Below MRL2023-04-10
NFDHAND—Below MRL2023-04-10
PFPeSND—Below MRL2023-04-10
PFHpSND—Below MRL2023-04-10
11Cl-PF3OUdSND—Below MRL2023-04-10
PFEESAND—Below MRL2023-04-10
PFHxSND10Below MRL2023-04-10
PFMPAND—Below MRL2023-04-10
PFMBAND—Below MRL2023-04-10
4:2 FTSND—Below MRL2023-04-10
6:2 FTSND—Below MRL2023-04-10
PFBAND—Below MRL2023-04-10
HFPO-DAND10Below MRL2023-04-10
ADONAND—Below MRL2023-04-10
9Cl-PF3ONSND—Below MRL2023-04-10
PFPeAND—Below MRL2023-04-10
PFDAND—Below MRL2023-07-11
PFDoAND—Below MRL2023-07-11
PFHxAND—Below MRL2023-07-11
PFUnAND—Below MRL2023-07-11
9Cl-PF3ONSND—Below MRL2023-07-11
11Cl-PF3OUdSND—Below MRL2023-07-11
ADONAND—Below MRL2023-07-11
PFNAND10Below MRL2023-07-11
PFHpSND—Below MRL2023-07-11
PFHxSND10Below MRL2023-07-11
PFHpAND—Below MRL2023-07-11
PFBSND—Below MRL2023-07-11
PFOSND4Below MRL2023-07-11
HFPO-DAND10Below MRL2023-07-11
PFBAND—Below MRL2023-07-11
6:2 FTSND—Below MRL2023-07-11
4:2 FTSND—Below MRL2023-07-11
8:2 FTSND—Below MRL2023-07-11
PFMPAND—Below MRL2023-07-11
PFPeAND—Below MRL2023-07-11
NFDHAND—Below MRL2023-07-11
PFPeSND—Below MRL2023-07-11
lithiumND—Below MRL2023-07-11
PFTAND—Below MRL2023-07-11
PFTrDAND—Below MRL2023-07-11
NEtFOSAAND—Below MRL2023-07-11
NMeFOSAAND—Below MRL2023-07-11
PFMBAND—Below MRL2023-07-11
PFEESAND—Below MRL2023-07-11
PFHpSND—Below MRL2023-10-10
6:2 FTSND—Below MRL2023-10-10
4:2 FTSND—Below MRL2023-10-10
8:2 FTSND—Below MRL2023-10-10
PFMPAND—Below MRL2023-10-10
PFPeAND—Below MRL2023-10-10
PFBAND—Below MRL2023-10-10
NFDHAND—Below MRL2023-10-10
PFEESAND—Below MRL2023-10-10
PFTAND—Below MRL2023-10-10
PFTrDAND—Below MRL2023-10-10
NEtFOSAAND—Below MRL2023-10-10
NMeFOSAAND—Below MRL2023-10-10
PFOA8.64Exceeds2023-04-10
PFOA8.64Exceeds2023-07-11
PFOA8.44Exceeds2023-10-10
PFOA4.84Exceeds2023-07-11
PFOA4.54Exceeds2023-10-10
PFHxA4.4—2023-07-11
PFOS4.44Exceeds2023-04-10
PFOS4.34Exceeds2023-07-11
PFPeA4.3—2023-07-11
PFHxA4.1—2023-04-10
PFHxA4—2023-10-10
PFPeA4—2023-04-10
PFPeA3.9—2023-10-10
PFBS3.2—2023-04-10
PFBS3—2023-07-11
PFBS3—2023-10-10

Next steps