PFAS Comply

BOYLSTON WATER DISTRICT

PWSID: MA2039000 · BOYLSTON, MA · Serving 3,343 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

PFOA6 ppt(MCL: 4 ppt)

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

Detection summary

2
PFAS compounds detected
6 ppt
Highest single detection
2025-06-03
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFUnAND—Below MRL2025-06-03
6:2 FTSND—Below MRL2025-06-03
ADONAND—Below MRL2025-06-03
HFPO-DAND10Below MRL2025-06-03
PFBAND—Below MRL2025-06-03
9Cl-PF3ONSND—Below MRL2025-06-03
4:2 FTSND—Below MRL2025-06-03
PFPeAND—Below MRL2025-06-03
PFMPAND—Below MRL2025-06-03
PFMBAND—Below MRL2025-06-03
NFDHAND—Below MRL2025-06-03
PFUnAND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
PFEESAND—Below MRL2025-06-03
PFHpSND—Below MRL2025-06-03
PFHxAND—Below MRL2025-06-03
PFDoAND—Below MRL2025-06-03
PFDAND—Below MRL2025-06-03
PFOAND4Below MRL2025-06-03
PFOSND4Below MRL2025-06-03
PFNAND10Below MRL2025-06-03
PFHxSND10Below MRL2025-06-03
PFHpAND—Below MRL2025-06-03
PFBSND—Below MRL2025-06-03
lithiumND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
PFPeSND—Below MRL2025-06-03
NMeFOSAAND—Below MRL2025-06-03
8:2 FTSND—Below MRL2025-06-03
PFBAND—Below MRL2025-06-03
PFHpSND—Below MRL2025-06-03
PFPeSND—Below MRL2025-06-03
NFDHAND—Below MRL2025-06-03
PFEESAND—Below MRL2025-06-03
PFMBAND—Below MRL2025-06-03
PFPeAND—Below MRL2025-06-03
8:2 FTSND—Below MRL2025-06-03
4:2 FTSND—Below MRL2025-06-03
6:2 FTSND—Below MRL2025-06-03
lithiumND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
9Cl-PF3ONSND—Below MRL2025-06-03
PFMPAND—Below MRL2025-06-03
ADONAND—Below MRL2025-06-03
NMeFOSAAND—Below MRL2025-06-03
11Cl-PF3OUdSND—Below MRL2025-06-03
PFUnAND—Below MRL2025-06-03
PFHxAND—Below MRL2025-06-03
PFDoAND—Below MRL2025-06-03
PFOAND4Below MRL2025-06-03
PFNAND10Below MRL2025-06-03
PFHxSND10Below MRL2025-06-03
PFHpAND—Below MRL2025-06-03
PFBSND—Below MRL2025-06-03
PFOSND4Below MRL2025-06-03
PFDAND—Below MRL2025-06-03
HFPO-DAND10Below MRL2025-06-03
PFPeSND—Below MRL2025-06-03
ADONAND—Below MRL2025-06-03
HFPO-DAND10Below MRL2025-06-03
PFBAND—Below MRL2025-06-03
6:2 FTSND—Below MRL2025-06-03
4:2 FTSND—Below MRL2025-06-03
8:2 FTSND—Below MRL2025-06-03
PFMPAND—Below MRL2025-06-03
PFPeAND—Below MRL2025-06-03
PFMBAND—Below MRL2025-06-03
NFDHAND—Below MRL2025-06-03
PFHpSND—Below MRL2025-06-03
PFTAND—Below MRL2025-06-03
11Cl-PF3OUdSND—Below MRL2025-06-03
9Cl-PF3ONSND—Below MRL2025-06-03
PFEESAND—Below MRL2025-06-03
NEtFOSAAND—Below MRL2025-06-03
PFDoAND—Below MRL2025-06-03
11Cl-PF3OUdSND—Below MRL2025-06-03
lithiumND—Below MRL2025-06-03
PFTrDAND—Below MRL2025-06-03
NMeFOSAAND—Below MRL2025-06-03
PFHpAND—Below MRL2025-06-03
PFHxAND—Below MRL2025-06-03
PFNAND10Below MRL2025-06-03
PFOSND4Below MRL2025-06-03
PFDAND—Below MRL2025-06-03
PFHxSND10Below MRL2025-06-03
PFOA64Exceeds2025-06-03
PFBS3.6—2025-06-03

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