PFAS Comply

BLACKSTONE WATER DEPARTMENT

PWSID: MA2032000 · BLACKSTONE, MA · Serving 9,868 people

Type: CWSOwner: LSource: GW
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

PFOA5.7 ppt(MCL: 4 ppt)

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

Detection summary

1
PFAS compounds detected
5.7 ppt
Highest single detection
2025-04-07
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
6:2 FTSND—Below MRL2025-10-07
PFHxSND10Below MRL2025-04-07
PFOAND4Below MRL2025-04-07
PFOSND4Below MRL2025-04-07
PFNAND10Below MRL2025-04-07
PFDAND—Below MRL2025-04-07
PFHpAND—Below MRL2025-04-07
PFBSND—Below MRL2025-04-07
PFMBAND—Below MRL2025-04-07
PFPeAND—Below MRL2025-04-07
PFHxAND—Below MRL2025-04-07
NFDHAND—Below MRL2025-04-07
8:2 FTSND—Below MRL2025-04-07
PFPeSND—Below MRL2025-04-07
PFHpSND—Below MRL2025-04-07
PFEESAND—Below MRL2025-04-07
4:2 FTSND—Below MRL2025-04-07
PFTAND—Below MRL2025-04-07
PFTrDAND—Below MRL2025-04-07
NEtFOSAAND—Below MRL2025-04-07
NMeFOSAAND—Below MRL2025-04-07
6:2 FTSND—Below MRL2025-04-07
PFMPAND—Below MRL2025-04-07
PFUnAND—Below MRL2025-04-07
lithiumND—Below MRL2025-04-07
PFBAND—Below MRL2025-04-07
HFPO-DAND10Below MRL2025-04-07
ADONAND—Below MRL2025-04-07
9Cl-PF3ONSND—Below MRL2025-04-07
11Cl-PF3OUdSND—Below MRL2025-04-07
PFTAND—Below MRL2025-10-07
PFPeAND—Below MRL2025-10-07
NMeFOSAAND—Below MRL2025-10-07
PFTrDAND—Below MRL2025-10-07
NEtFOSAAND—Below MRL2025-10-07
PFHxAND—Below MRL2025-10-07
PFEESAND—Below MRL2025-10-07
PFNAND10Below MRL2025-10-07
lithiumND—Below MRL2025-10-07
PFOSND4Below MRL2025-10-07
PFDoAND—Below MRL2025-04-07
PFDoAND—Below MRL2025-10-07
PFUnAND—Below MRL2025-10-07
11Cl-PF3OUdSND—Below MRL2025-10-07
9Cl-PF3ONSND—Below MRL2025-10-07
ADONAND—Below MRL2025-10-07
HFPO-DAND10Below MRL2025-10-07
PFPeSND—Below MRL2025-10-07
PFHxSND10Below MRL2025-10-07
PFDAND—Below MRL2025-10-07
PFBAND—Below MRL2025-10-07
PFBSND—Below MRL2025-10-07
PFHpSND—Below MRL2025-10-07
PFHpAND—Below MRL2025-10-07
NFDHAND—Below MRL2025-10-07
PFMBAND—Below MRL2025-10-07
PFMPAND—Below MRL2025-10-07
8:2 FTSND—Below MRL2025-10-07
4:2 FTSND—Below MRL2025-10-07
PFOA5.74Exceeds2025-10-07

Next steps