PFAS Comply

CONCORD WATER DEPT

PWSID: MA3067000 · CONCORD, MA · Serving 18,788 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

PFOA6 ppt(MCL: 4 ppt)

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

Detection summary

4
PFAS compounds detected
9.4 ppt
Highest single detection
2024-08-19
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
4:2 FTSND—Below MRL2024-08-12
PFHxAND—Below MRL2024-08-12
PFTAND—Below MRL2024-08-12
PFDoAND—Below MRL2024-08-12
PFTrDAND—Below MRL2024-08-12
6:2 FTSND—Below MRL2024-08-12
lithiumND—Below MRL2024-08-12
NMeFOSAAND—Below MRL2024-08-12
PFHpSND—Below MRL2024-08-12
PFPeSND—Below MRL2024-08-12
NFDHAND—Below MRL2024-08-12
PFEESAND—Below MRL2024-08-12
PFMBAND—Below MRL2024-08-12
PFPeAND—Below MRL2024-08-12
PFMPAND—Below MRL2024-08-12
8:2 FTSND—Below MRL2024-08-12
ADONAND—Below MRL2024-07-17
PFDAND—Below MRL2024-07-17
PFDoAND—Below MRL2024-07-17
PFHxAND—Below MRL2024-07-17
PFUnAND—Below MRL2024-07-17
PFHpSND—Below MRL2024-07-17
9Cl-PF3ONSND—Below MRL2024-07-17
PFTAND—Below MRL2024-07-17
HFPO-DAND10Below MRL2024-07-17
PFBAND—Below MRL2024-07-17
6:2 FTSND—Below MRL2024-07-17
4:2 FTSND—Below MRL2024-07-17
8:2 FTSND—Below MRL2024-07-17
PFMPAND—Below MRL2024-07-17
11Cl-PF3OUdSND—Below MRL2024-07-17
PFTrDAND—Below MRL2024-07-17
PFPeSND—Below MRL2024-07-17
NFDHAND—Below MRL2024-07-17
PFEESAND—Below MRL2024-07-17
PFOSND4Below MRL2024-07-17
PFPeAND—Below MRL2024-07-17
PFNAND10Below MRL2024-07-17
NEtFOSAAND—Below MRL2024-07-17
NMeFOSAAND—Below MRL2024-07-17
PFBSND—Below MRL2024-07-17
PFHpAND—Below MRL2024-07-17
lithiumND—Below MRL2024-07-17
PFHxSND10Below MRL2024-07-17
PFMBAND—Below MRL2024-07-17
PFDoAND—Below MRL2024-03-25
PFHpSND—Below MRL2024-03-25
PFDAND—Below MRL2024-03-25
6:2 FTSND—Below MRL2024-03-25
NMeFOSAAND—Below MRL2024-03-25
NEtFOSAAND—Below MRL2024-03-25
PFTrDAND—Below MRL2024-03-25
PFTAND—Below MRL2024-03-25
PFBSND—Below MRL2024-03-25
lithiumND—Below MRL2024-03-25
PFPeSND—Below MRL2024-03-25
PFEESAND—Below MRL2024-03-25
PFMBAND—Below MRL2024-03-25
PFPeAND—Below MRL2024-03-25
PFMPAND—Below MRL2024-03-25
NFDHAND—Below MRL2024-03-25
4:2 FTSND—Below MRL2024-03-25
PFHpAND—Below MRL2024-03-25
PFBAND—Below MRL2024-03-25
HFPO-DAND10Below MRL2024-03-25
ADONAND—Below MRL2024-03-25
9Cl-PF3ONSND—Below MRL2024-03-25
11Cl-PF3OUdSND—Below MRL2024-03-25
PFUnAND—Below MRL2024-03-25
PFHxAND—Below MRL2024-03-25
PFOAND4Below MRL2024-03-25
PFOSND4Below MRL2024-03-25
PFNAND10Below MRL2024-03-25
PFHxSND10Below MRL2024-03-25
8:2 FTSND—Below MRL2024-03-25
HFPO-DAND10Below MRL2024-08-12
NMeFOSAAND—Below MRL2024-08-12
NEtFOSAAND—Below MRL2024-08-12
PFTrDAND—Below MRL2024-08-12
PFPeAND—Below MRL2024-08-12
PFTAND—Below MRL2024-08-12
PFHpSND—Below MRL2024-08-12
PFPeSND—Below MRL2024-08-12
NFDHAND—Below MRL2024-08-12
PFMBAND—Below MRL2024-08-12
PFMPAND—Below MRL2024-08-12
8:2 FTSND—Below MRL2024-08-12
4:2 FTSND—Below MRL2024-08-12
lithiumND—Below MRL2024-08-12
PFBAND—Below MRL2024-08-12
PFBSND—Below MRL2024-08-12
ADONAND—Below MRL2024-08-12
9Cl-PF3ONSND—Below MRL2024-08-12
11Cl-PF3OUdSND—Below MRL2024-08-12
PFUnAND—Below MRL2024-08-12
PFDoAND—Below MRL2024-08-12
PFDAND—Below MRL2024-08-12
PFOAND4Below MRL2024-08-12
PFOSND4Below MRL2024-08-12
PFNAND10Below MRL2024-08-12
PFHxSND10Below MRL2024-08-12
PFHpAND—Below MRL2024-08-12
6:2 FTSND—Below MRL2024-08-12
PFEESAND—Below MRL2024-08-12
PFNAND10Below MRL2024-02-12
11Cl-PF3OUdSND—Below MRL2024-02-12
PFUnAND—Below MRL2024-02-12
PFDoAND—Below MRL2024-02-12
PFDAND—Below MRL2024-02-12
9Cl-PF3ONSND—Below MRL2024-02-12
PFOSND4Below MRL2024-02-12
4:2 FTSND—Below MRL2024-02-12
PFHxSND10Below MRL2024-02-12
PFHpAND—Below MRL2024-02-12
PFBSND—Below MRL2024-02-12
8:2 FTSND—Below MRL2024-02-12
6:2 FTSND—Below MRL2024-02-12
PFTAND—Below MRL2024-02-12
PFBAND—Below MRL2024-02-12
NMeFOSAAND—Below MRL2024-02-12
ADONAND—Below MRL2024-02-12
PFTrDAND—Below MRL2024-02-12
lithiumND—Below MRL2024-02-12
PFHpSND—Below MRL2024-02-12
PFPeSND—Below MRL2024-02-12
NFDHAND—Below MRL2024-02-12
PFEESAND—Below MRL2024-02-12
PFMBAND—Below MRL2024-02-12
PFMPAND—Below MRL2024-02-12
HFPO-DAND10Below MRL2024-02-12
NEtFOSAAND—Below MRL2024-02-12
ADONAND—Below MRL2024-08-19
9Cl-PF3ONSND—Below MRL2024-08-19
11Cl-PF3OUdSND—Below MRL2024-08-19
PFUnAND—Below MRL2024-08-19
PFDoAND—Below MRL2024-08-19
PFDAND—Below MRL2024-08-19
PFOSND4Below MRL2024-08-19
PFNAND10Below MRL2024-08-19
PFBAND—Below MRL2024-08-19
PFHpAND—Below MRL2024-08-19
PFPeSND—Below MRL2024-08-19
PFHxSND10Below MRL2024-08-19
lithiumND—Below MRL2024-08-19
4:2 FTSND—Below MRL2024-08-19
8:2 FTSND—Below MRL2024-08-19
PFMPAND—Below MRL2024-08-19
PFMBAND—Below MRL2024-08-19
NFDHAND—Below MRL2024-08-19
PFHpSND—Below MRL2024-08-19
PFTAND—Below MRL2024-08-19
PFTrDAND—Below MRL2024-08-19
NEtFOSAAND—Below MRL2024-08-19
NMeFOSAAND—Below MRL2024-08-19
HFPO-DAND10Below MRL2024-08-19
PFEESAND—Below MRL2024-08-19
6:2 FTSND—Below MRL2024-08-19
PFPeAND—Below MRL2024-02-12
PFOAND4Below MRL2024-02-12
PFOSND4Below MRL2024-02-12
PFNAND10Below MRL2024-02-12
PFHpAND—Below MRL2024-02-12
lithiumND—Below MRL2024-02-12
NFDHAND—Below MRL2024-02-12
NMeFOSAAND—Below MRL2024-02-12
PFMBAND—Below MRL2024-02-12
PFHxSND10Below MRL2024-02-12
PFMPAND—Below MRL2024-02-12
8:2 FTSND—Below MRL2024-02-12
4:2 FTSND—Below MRL2024-02-12
6:2 FTSND—Below MRL2024-02-12
PFBAND—Below MRL2024-02-12
PFEESAND—Below MRL2024-02-12
HFPO-DAND10Below MRL2024-02-12
PFTAND—Below MRL2024-02-12
NEtFOSAAND—Below MRL2024-02-12
PFBSND—Below MRL2024-02-12
PFDAND—Below MRL2024-02-12
PFTrDAND—Below MRL2024-02-12
PFPeSND—Below MRL2024-02-12
ADONAND—Below MRL2024-02-12
9Cl-PF3ONSND—Below MRL2024-02-12
11Cl-PF3OUdSND—Below MRL2024-02-12
PFUnAND—Below MRL2024-02-12
PFHxAND—Below MRL2024-02-12
PFDoAND—Below MRL2024-02-12
PFHpSND—Below MRL2024-02-12
PFHxAND—Below MRL2024-08-12
PFMBAND—Below MRL2024-08-12
PFUnAND—Below MRL2024-08-12
PFDoAND—Below MRL2024-08-12
PFDAND—Below MRL2024-08-12
PFOAND4Below MRL2024-08-12
PFOSND4Below MRL2024-08-12
PFNAND10Below MRL2024-08-12
PFHxSND10Below MRL2024-08-12
PFHpAND—Below MRL2024-08-12
PFPeAND—Below MRL2024-08-12
PFBSND—Below MRL2024-08-12
11Cl-PF3OUdSND—Below MRL2024-08-12
PFPeSND—Below MRL2024-08-12
PFMPAND—Below MRL2024-08-12
PFHpSND—Below MRL2024-08-12
lithiumND—Below MRL2024-08-12
PFEESAND—Below MRL2024-08-12
9Cl-PF3ONSND—Below MRL2024-08-12
NEtFOSAAND—Below MRL2024-08-12
PFTAND—Below MRL2024-08-12
NMeFOSAAND—Below MRL2024-08-12
NFDHAND—Below MRL2024-08-12
8:2 FTSND—Below MRL2024-08-12
4:2 FTSND—Below MRL2024-08-12
6:2 FTSND—Below MRL2024-08-12
PFBAND—Below MRL2024-08-12
HFPO-DAND10Below MRL2024-08-12
ADONAND—Below MRL2024-08-12
PFTrDAND—Below MRL2024-08-12
PFPeSND—Below MRL2024-04-11
PFMPAND—Below MRL2024-04-11
NFDHAND—Below MRL2024-04-11
PFEESAND—Below MRL2024-04-11
PFMBAND—Below MRL2024-04-11
8:2 FTSND—Below MRL2024-04-11
4:2 FTSND—Below MRL2024-04-11
PFBAND—Below MRL2024-04-11
HFPO-DAND10Below MRL2024-04-11
ADONAND—Below MRL2024-04-11
11Cl-PF3OUdSND—Below MRL2024-04-11
PFHpAND—Below MRL2024-04-11
9Cl-PF3ONSND—Below MRL2024-04-11
PFTAND—Below MRL2024-03-25
PFHpSND—Below MRL2024-04-11
lithiumND—Below MRL2024-03-25
NMeFOSAAND—Below MRL2024-03-25
PFTrDAND—Below MRL2024-03-25
6:2 FTSND—Below MRL2024-04-11
PFUnAND—Below MRL2024-04-11
PFNAND10Below MRL2024-04-11
NEtFOSAAND—Below MRL2024-03-25
PFHxSND10Below MRL2024-04-11
PFDoAND—Below MRL2024-04-11
PFOSND4Below MRL2024-04-11
PFOAND4Below MRL2024-04-11
PFDAND—Below MRL2024-04-11
NFDHAND—Below MRL2024-08-12
HFPO-DAND10Below MRL2024-08-12
PFDAND—Below MRL2024-08-12
PFOSND4Below MRL2024-08-12
PFDoAND—Below MRL2024-08-12
PFNAND10Below MRL2024-08-12
PFHxSND10Below MRL2024-08-12
11Cl-PF3OUdSND—Below MRL2024-08-12
9Cl-PF3ONSND—Below MRL2024-08-12
ADONAND—Below MRL2024-08-12
PFBAND—Below MRL2024-08-12
6:2 FTSND—Below MRL2024-08-12
4:2 FTSND—Below MRL2024-08-12
8:2 FTSND—Below MRL2024-08-12
PFMPAND—Below MRL2024-08-12
PFEESAND—Below MRL2024-08-12
PFPeSND—Below MRL2024-08-12
PFHpSND—Below MRL2024-08-12
lithiumND—Below MRL2024-08-12
PFMBAND—Below MRL2024-08-12
PFTAND—Below MRL2024-08-12
PFTrDAND—Below MRL2024-08-12
PFHpAND—Below MRL2024-08-12
NEtFOSAAND—Below MRL2024-08-12
NMeFOSAAND—Below MRL2024-08-12
PFUnAND—Below MRL2024-08-12
PFHxSND10Below MRL2024-02-08
6:2 FTSND—Below MRL2024-02-08
HFPO-DAND10Below MRL2024-02-08
ADONAND—Below MRL2024-02-08
9Cl-PF3ONSND—Below MRL2024-02-08
11Cl-PF3OUdSND—Below MRL2024-02-08
PFHxAND—Below MRL2024-02-08
PFDAND—Below MRL2024-02-08
PFHpSND—Below MRL2024-02-08
PFHpAND—Below MRL2024-02-08
PFBSND—Below MRL2024-02-08
PFBAND—Below MRL2024-02-08
PFDoAND—Below MRL2024-02-08
PFPeSND—Below MRL2024-02-08
NFDHAND—Below MRL2024-02-08
PFEESAND—Below MRL2024-02-08
NMeFOSAAND—Below MRL2024-02-08
NEtFOSAAND—Below MRL2024-02-08
PFTrDAND—Below MRL2024-02-08
PFMPAND—Below MRL2024-02-08
lithiumND—Below MRL2024-02-08
8:2 FTSND—Below MRL2024-02-08
PFPeAND—Below MRL2024-02-08
PFUnAND—Below MRL2024-02-08
PFOAND4Below MRL2024-02-08
PFOSND4Below MRL2024-02-08
PFNAND10Below MRL2024-02-08
PFMBAND—Below MRL2024-02-08
PFTAND—Below MRL2024-02-08
4:2 FTSND—Below MRL2024-02-08
PFOAND4Below MRL2024-08-12
HFPO-DAND10Below MRL2024-08-12
ADONAND—Below MRL2024-08-12
9Cl-PF3ONSND—Below MRL2024-08-12
11Cl-PF3OUdSND—Below MRL2024-08-12
PFBSND—Below MRL2024-08-12
PFBAND—Below MRL2024-08-12
PFDAND—Below MRL2024-08-12
PFUnAND—Below MRL2024-08-12
PFOSND4Below MRL2024-08-12
PFNAND10Below MRL2024-08-12
PFHxSND10Below MRL2024-08-12
PFHpAND—Below MRL2024-08-12
NEtFOSAAND—Below MRL2024-08-12
PFBS9.4—2024-04-11
PFBS7.6—2024-08-12
PFPeA6.2—2024-08-19
PFOA64Exceeds2024-08-19
PFOA5.94Exceeds2024-02-12
PFPeA5.6—2024-02-12
PFPeA5.2—2024-04-11
PFHxA4.5—2024-08-19
PFHxA4.4—2024-04-11
PFOA4.24Exceeds2024-07-17
PFHxA4.2—2024-02-12
PFOA4.24Exceeds2024-08-12
PFHxA3.6—2024-08-12
PFPeA3.5—2024-08-12
PFHxA3.5—2024-08-12
PFBS3.1—2024-08-19

Next steps