PFAS Comply

SHIRLEY WATER DISTRICT

PWSID: MA2270000 · SHIRLEY, MA · Serving 4,121 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

PFOA6.9 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
7.1 ppt
Highest single detection
2024-04-10
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
6:2 FTSND—Below MRL2024-10-08
8:2 FTSND—Below MRL2025-10-01
11Cl-PF3OUdSND—Below MRL2024-10-08
9Cl-PF3ONSND—Below MRL2024-10-08
ADONAND—Below MRL2024-10-08
HFPO-DAND10Below MRL2024-10-08
PFBAND—Below MRL2024-10-08
PFUnAND—Below MRL2024-10-08
NEtFOSAAND—Below MRL2025-10-01
PFMBAND—Below MRL2025-10-01
PFEESAND—Below MRL2025-10-01
NFDHAND—Below MRL2025-10-01
PFPeSND—Below MRL2025-10-01
PFHpSND—Below MRL2025-10-01
lithiumND—Below MRL2025-10-01
PFTrDAND—Below MRL2025-10-01
NMeFOSAAND—Below MRL2025-10-01
6:2 FTSND—Below MRL2025-10-01
4:2 FTSND—Below MRL2025-10-01
PFTAND—Below MRL2025-10-01
PFDoAND—Below MRL2025-10-01
PFMPAND—Below MRL2025-10-01
PFHxSND10Below MRL2025-10-01
PFNAND10Below MRL2025-10-01
PFOSND4Below MRL2025-10-01
PFDAND—Below MRL2025-10-01
PFUnAND—Below MRL2025-10-01
11Cl-PF3OUdSND—Below MRL2025-10-01
9Cl-PF3ONSND—Below MRL2025-10-01
ADONAND—Below MRL2025-10-01
PFBAND—Below MRL2025-10-01
HFPO-DAND10Below MRL2025-10-01
PFTrDAND—Below MRL2025-11-03
lithiumND—Below MRL2025-11-03
NEtFOSAAND—Below MRL2025-11-03
PFTAND—Below MRL2025-11-03
NMeFOSAAND—Below MRL2025-11-03
PFHxAND—Below MRL2024-04-10
PFBSND—Below MRL2024-04-10
PFHpSND—Below MRL2024-04-10
PFBAND—Below MRL2024-04-10
lithiumND—Below MRL2024-04-10
ADONAND—Below MRL2024-04-10
PFUnAND—Below MRL2024-04-10
PFHpAND—Below MRL2024-04-10
NMeFOSAAND—Below MRL2024-04-10
NEtFOSAAND—Below MRL2024-04-10
PFTrDAND—Below MRL2024-04-10
PFTAND—Below MRL2024-04-10
HFPO-DAND10Below MRL2024-04-10
11Cl-PF3OUdSND—Below MRL2024-04-10
PFPeAND—Below MRL2024-04-10
9Cl-PF3ONSND—Below MRL2024-04-10
NFDHAND—Below MRL2024-04-10
PFHxSND10Below MRL2024-04-10
PFMBAND—Below MRL2024-04-10
PFPeSND—Below MRL2024-04-10
PFMPAND—Below MRL2024-04-10
8:2 FTSND—Below MRL2024-04-10
4:2 FTSND—Below MRL2024-04-10
6:2 FTSND—Below MRL2024-04-10
PFDoAND—Below MRL2024-04-10
PFDAND—Below MRL2024-04-10
PFOAND4Below MRL2024-04-10
PFOSND4Below MRL2024-04-10
PFNAND10Below MRL2024-04-10
PFEESAND—Below MRL2024-04-10
9Cl-PF3ONSND—Below MRL2024-10-08
11Cl-PF3OUdSND—Below MRL2024-10-08
PFUnAND—Below MRL2024-10-08
PFDoAND—Below MRL2024-10-08
PFDAND—Below MRL2024-10-08
PFOAND4Below MRL2024-10-08
PFOSND4Below MRL2024-10-08
PFNAND10Below MRL2024-10-08
PFHxSND10Below MRL2024-10-08
PFHpAND—Below MRL2024-10-08
ADONAND—Below MRL2024-10-08
lithiumND—Below MRL2024-10-08
PFMPAND—Below MRL2024-10-08
PFBSND—Below MRL2024-10-08
8:2 FTSND—Below MRL2024-10-08
NMeFOSAAND—Below MRL2024-10-08
NEtFOSAAND—Below MRL2024-10-08
PFTrDAND—Below MRL2024-10-08
PFTAND—Below MRL2024-10-08
4:2 FTSND—Below MRL2024-10-08
HFPO-DAND10Below MRL2024-10-08
6:2 FTSND—Below MRL2024-10-08
PFBAND—Below MRL2024-10-08
PFHpSND—Below MRL2024-10-08
PFPeSND—Below MRL2024-10-08
NFDHAND—Below MRL2024-10-08
PFEESAND—Below MRL2024-10-08
PFMBAND—Below MRL2024-10-08
PFTAND—Below MRL2024-04-10
PFTrDAND—Below MRL2024-04-10
NMeFOSAAND—Below MRL2024-04-10
NEtFOSAAND—Below MRL2024-04-10
PFMBAND—Below MRL2024-04-10
HFPO-DAND10Below MRL2024-04-10
PFHpSND—Below MRL2024-04-10
PFHxSND10Below MRL2024-04-10
PFNAND10Below MRL2024-04-10
PFOSND4Below MRL2024-04-10
PFOAND4Below MRL2024-04-10
PFDAND—Below MRL2024-04-10
PFDoAND—Below MRL2024-04-10
PFHxAND—Below MRL2024-04-10
PFUnAND—Below MRL2024-04-10
PFPeSND—Below MRL2024-04-10
9Cl-PF3ONSND—Below MRL2024-04-10
ADONAND—Below MRL2024-04-10
6:2 FTSND—Below MRL2024-04-10
4:2 FTSND—Below MRL2024-04-10
8:2 FTSND—Below MRL2024-04-10
PFMPAND—Below MRL2024-04-10
PFPeAND—Below MRL2024-04-10
PFBSND—Below MRL2024-04-10
PFHpAND—Below MRL2024-04-10
lithiumND—Below MRL2024-04-10
PFEESAND—Below MRL2024-04-10
11Cl-PF3OUdSND—Below MRL2024-04-10
NFDHAND—Below MRL2024-04-10
PFBAND—Below MRL2024-04-10
PFTAND—Below MRL2024-10-08
8:2 FTSND—Below MRL2024-10-08
PFMPAND—Below MRL2024-10-08
PFPeAND—Below MRL2024-10-08
PFMBAND—Below MRL2024-10-08
PFEESAND—Below MRL2024-10-08
4:2 FTSND—Below MRL2024-10-08
PFPeSND—Below MRL2024-10-08
NEtFOSAAND—Below MRL2024-10-08
PFTrDAND—Below MRL2024-10-08
PFNAND10Below MRL2024-10-08
NMeFOSAAND—Below MRL2024-10-08
lithiumND—Below MRL2024-10-08
NFDHAND—Below MRL2024-10-08
PFOSND4Below MRL2024-10-08
PFHpSND—Below MRL2024-10-08
PFHpAND—Below MRL2024-10-08
PFBSND—Below MRL2024-10-08
PFHxSND10Below MRL2024-10-08
PFOAND4Below MRL2024-10-08
PFDAND—Below MRL2024-10-08
PFDoAND—Below MRL2024-10-08
PFHxAND—Below MRL2024-10-08
PFHxA7.1—2025-10-01
PFOA6.94Exceeds2025-10-01
PFPeA5.2—2025-10-01
PFHxA3.8—2024-10-08
PFPeA3.7—2024-10-08
PFHpA3.7—2025-10-01
PFBS3—2025-10-01

Next steps