PFAS Comply

HOLBROOK PUBLIC WORKS DEPT

PWSID: MA4133000 · HOLBROOK, MA · Serving 11,405 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

PFOA7 ppt(MCL: 4 ppt)
PFOS11.9 ppt(MCL: 4 ppt)

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

Detection summary

7
PFAS compounds detected
11.9 ppt
Highest single detection
2025-08-25
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFTrDAND—Below MRL2024-10-02
lithiumND—Below MRL2024-10-02
PFTAND—Below MRL2024-10-02
NEtFOSAAND—Below MRL2024-10-02
NMeFOSAAND—Below MRL2024-10-02
PFBSND—Below MRL2024-10-02
PFHpAND—Below MRL2024-10-02
PFHxSND10Below MRL2024-10-02
PFNAND10Below MRL2024-10-02
PFNAND10Below MRL2025-08-25
PFDAND—Below MRL2025-08-25
PFDoAND—Below MRL2025-08-25
lithiumND—Below MRL2025-07-29
11Cl-PF3OUdSND—Below MRL2025-08-25
PFPeSND—Below MRL2025-08-25
ADONAND—Below MRL2025-08-25
HFPO-DAND10Below MRL2025-08-25
6:2 FTSND—Below MRL2025-08-25
4:2 FTSND—Below MRL2025-08-25
8:2 FTSND—Below MRL2025-08-25
PFMPAND—Below MRL2025-08-25
PFMBAND—Below MRL2025-08-25
PFEESAND—Below MRL2025-08-25
NFDHAND—Below MRL2025-08-25
PFUnAND—Below MRL2025-08-25
NEtFOSAAND—Below MRL2025-07-29
NMeFOSAAND—Below MRL2025-07-29
PFTrDAND—Below MRL2025-07-29
PFTAND—Below MRL2025-07-29
PFDAND—Below MRL2024-10-02
PFDoAND—Below MRL2024-10-02
PFUnAND—Below MRL2024-10-02
PFHpSND—Below MRL2024-10-02
NFDHAND—Below MRL2024-10-02
PFEESAND—Below MRL2024-10-02
11Cl-PF3OUdSND—Below MRL2024-10-02
PFMBAND—Below MRL2024-10-02
PFPeSND—Below MRL2024-10-02
PFMPAND—Below MRL2024-10-02
8:2 FTSND—Below MRL2024-10-02
4:2 FTSND—Below MRL2024-10-02
6:2 FTSND—Below MRL2024-10-02
PFBAND—Below MRL2024-10-02
HFPO-DAND10Below MRL2024-10-02
ADONAND—Below MRL2024-10-02
9Cl-PF3ONSND—Below MRL2024-10-02
11Cl-PF3OUdSND—Below MRL2025-01-27
PFUnAND—Below MRL2025-01-27
PFDoAND—Below MRL2025-01-27
PFDAND—Below MRL2025-01-27
9Cl-PF3ONSND—Below MRL2025-01-27
PFNAND10Below MRL2025-01-27
PFHxSND10Below MRL2025-01-27
ADONAND—Below MRL2025-01-27
PFBSND—Below MRL2025-01-27
PFMBAND—Below MRL2025-01-27
NMeFOSAAND—Below MRL2025-01-27
PFHpAND—Below MRL2025-01-27
PFTAND—Below MRL2025-01-27
NEtFOSAAND—Below MRL2025-01-27
PFHpSND—Below MRL2025-01-27
PFPeSND—Below MRL2025-01-27
PFMPAND—Below MRL2025-01-27
PFEESAND—Below MRL2025-01-27
PFTrDAND—Below MRL2025-01-27
lithiumND—Below MRL2025-01-27
8:2 FTSND—Below MRL2025-01-27
4:2 FTSND—Below MRL2025-01-27
6:2 FTSND—Below MRL2025-01-27
HFPO-DAND10Below MRL2025-01-27
NFDHAND—Below MRL2025-01-27
PFUnAND—Below MRL2025-04-28
lithiumND—Below MRL2025-04-28
NFDHAND—Below MRL2025-04-28
PFEESAND—Below MRL2025-04-28
PFMBAND—Below MRL2025-04-28
PFMPAND—Below MRL2025-04-28
4:2 FTSND—Below MRL2025-04-28
6:2 FTSND—Below MRL2025-04-28
PFBAND—Below MRL2025-04-28
HFPO-DAND10Below MRL2025-04-28
ADONAND—Below MRL2025-04-28
9Cl-PF3ONSND—Below MRL2025-04-28
PFDoAND—Below MRL2025-04-28
8:2 FTSND—Below MRL2025-04-28
NMeFOSAAND—Below MRL2025-04-28
PFDAND—Below MRL2025-04-28
PFNAND10Below MRL2025-04-28
PFHxSND10Below MRL2025-04-28
PFHpAND—Below MRL2025-04-28
PFBSND—Below MRL2025-04-28
PFHpSND—Below MRL2025-04-28
PFPeSND—Below MRL2025-04-28
NEtFOSAAND—Below MRL2025-04-28
PFTrDAND—Below MRL2025-04-28
PFTAND—Below MRL2025-04-28
11Cl-PF3OUdSND—Below MRL2025-04-28
9Cl-PF3ONSND—Below MRL2025-08-25
PFHpSND—Below MRL2025-08-25
PFHxSND10Below MRL2025-08-25
PFOS11.94Exceeds2024-10-02
PFOS104Exceeds2025-08-25
PFBA10—2025-08-25
PFOS8.74Exceeds2025-01-27
PFOA74Exceeds2025-08-25
PFOS6.84Exceeds2025-04-28
PFOA6.34Exceeds2024-10-02
PFOA6.24Exceeds2025-01-27
PFBA5.6—2025-01-27
PFOA5.14Exceeds2025-04-28
PFHxA5—2025-08-25
PFPeA5—2025-08-25
PFPeA4.5—2025-01-27
PFHxA4.4—2025-01-27
PFPeA4.2—2024-10-02
PFHxA4—2024-10-02
PFPeA3.7—2025-04-28
PFHxA3.5—2025-04-28
PFHpA3—2025-08-25
PFBS3—2025-08-25

Next steps