PFAS Comply

BILLERICA WATER WORKS

PWSID: MA3031000 · BILLERICA, MA · Serving 42,119 people

Type: CWSOwner: LSource: SW
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

PFOA5.5 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 ppt
Highest single detection
2025-08-07
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHxSND10Below MRL2025-08-07
PFUnAND—Below MRL2024-11-07
11Cl-PF3OUdSND—Below MRL2024-11-07
9Cl-PF3ONSND—Below MRL2024-11-07
ADONAND—Below MRL2024-11-07
HFPO-DAND10Below MRL2024-11-07
6:2 FTSND—Below MRL2024-11-07
PFNAND10Below MRL2024-11-07
8:2 FTSND—Below MRL2024-11-07
PFMPAND—Below MRL2024-11-07
NMeFOSAAND—Below MRL2025-08-07
PFHpAND—Below MRL2025-08-07
HFPO-DAND10Below MRL2025-08-07
PFNAND10Below MRL2025-08-07
6:2 FTSND—Below MRL2025-08-07
PFDAND—Below MRL2025-08-07
PFDoAND—Below MRL2025-08-07
PFUnAND—Below MRL2025-08-07
11Cl-PF3OUdSND—Below MRL2025-08-07
ADONAND—Below MRL2025-08-07
PFMBAND—Below MRL2025-08-07
4:2 FTSND—Below MRL2024-11-07
PFDoAND—Below MRL2024-11-07
PFOSND4Below MRL2024-11-07
PFHxSND10Below MRL2024-11-07
PFHpAND—Below MRL2024-11-07
lithiumND—Below MRL2024-11-07
NMeFOSAAND—Below MRL2024-11-07
NEtFOSAAND—Below MRL2024-11-07
PFTrDAND—Below MRL2024-11-07
PFTAND—Below MRL2024-11-07
PFMBAND—Below MRL2024-11-07
NFDHAND—Below MRL2024-11-07
PFPeSND—Below MRL2024-11-07
PFHpSND—Below MRL2024-11-07
PFEESAND—Below MRL2024-11-07
PFDAND—Below MRL2024-11-07
6:2 FTSND—Below MRL2025-02-05
PFHpSND—Below MRL2025-02-05
PFPeSND—Below MRL2025-02-05
NFDHAND—Below MRL2025-02-05
PFEESAND—Below MRL2025-02-05
PFMBAND—Below MRL2025-02-05
PFMPAND—Below MRL2025-02-05
PFHpAND—Below MRL2025-02-05
4:2 FTSND—Below MRL2025-02-05
PFBSND—Below MRL2025-02-05
PFBAND—Below MRL2025-02-05
HFPO-DAND10Below MRL2025-02-05
8:2 FTSND—Below MRL2025-02-05
11Cl-PF3OUdSND—Below MRL2025-02-05
lithiumND—Below MRL2025-02-05
PFTAND—Below MRL2025-02-05
PFTrDAND—Below MRL2025-02-05
NEtFOSAAND—Below MRL2025-02-05
9Cl-PF3ONSND—Below MRL2025-02-05
PFHxSND10Below MRL2025-02-05
PFUnAND—Below MRL2025-02-05
PFDAND—Below MRL2025-02-05
ADONAND—Below MRL2025-02-05
PFOAND4Below MRL2025-02-05
PFOSND4Below MRL2025-02-05
PFDoAND—Below MRL2025-02-05
PFNAND10Below MRL2025-02-05
NMeFOSAAND—Below MRL2025-02-05
NMeFOSAAND—Below MRL2025-05-08
PFEESAND—Below MRL2025-05-08
NFDHAND—Below MRL2025-05-08
PFHpSND—Below MRL2025-05-08
PFPeSND—Below MRL2025-05-08
NEtFOSAAND—Below MRL2025-05-08
PFMBAND—Below MRL2025-05-08
lithiumND—Below MRL2025-05-08
PFTrDAND—Below MRL2025-05-08
PFOAND4Below MRL2025-05-08
PFTAND—Below MRL2025-05-08
PFPeAND—Below MRL2025-05-08
11Cl-PF3OUdSND—Below MRL2025-05-08
PFUnAND—Below MRL2025-05-08
PFHxAND—Below MRL2025-05-08
PFDAND—Below MRL2025-05-08
PFOSND4Below MRL2025-05-08
PFNAND10Below MRL2025-05-08
PFHxSND10Below MRL2025-05-08
4:2 FTSND—Below MRL2025-05-08
PFBSND—Below MRL2025-05-08
9Cl-PF3ONSND—Below MRL2025-05-08
ADONAND—Below MRL2025-05-08
HFPO-DAND10Below MRL2025-05-08
PFMPAND—Below MRL2025-05-08
PFBAND—Below MRL2025-05-08
6:2 FTSND—Below MRL2025-05-08
PFHpAND—Below MRL2025-05-08
PFDoAND—Below MRL2025-05-08
8:2 FTSND—Below MRL2025-05-08
8:2 FTSND—Below MRL2025-08-07
PFMPAND—Below MRL2025-08-07
PFHpSND—Below MRL2025-08-07
PFPeSND—Below MRL2025-08-07
PFEESAND—Below MRL2025-08-07
4:2 FTSND—Below MRL2025-08-07
9Cl-PF3ONSND—Below MRL2025-08-07
NFDHAND—Below MRL2025-08-07
PFOSND4Below MRL2025-08-07
lithiumND—Below MRL2025-08-07
PFTAND—Below MRL2025-08-07
PFTrDAND—Below MRL2025-08-07
NEtFOSAAND—Below MRL2025-08-07
PFPeA8—2025-08-07
PFPeA7.4—2024-11-07
PFHxA6.1—2025-08-07
PFHxA6—2024-11-07
PFOA5.54Exceeds2025-08-07
PFBA5.5—2025-08-07
PFBA5.4—2024-11-07
PFOA4.24Exceeds2024-11-07
PFHxA4—2025-02-05
PFPeA4—2025-02-05
PFBS3.1—2025-08-07
PFBS3—2024-11-07

Next steps