PFAS Comply

ST JAMES WATER DISTRICT

PWSID: NY5103266 · KINGS PARK, NY · Serving 10,587 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

PFOA6.5 ppt(MCL: 4 ppt)
PFOS4.1 ppt(MCL: 4 ppt)

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

Detection summary

6
PFAS compounds detected
6.6 ppt
Highest single detection
2024-08-13
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFDoAND—Below MRL2025-02-03
PFBAND—Below MRL2024-08-13
HFPO-DAND10Below MRL2024-08-13
ADONAND—Below MRL2024-08-13
4:2 FTSND—Below MRL2024-08-13
11Cl-PF3OUdSND—Below MRL2024-08-13
PFHpSND—Below MRL2024-08-13
9Cl-PF3ONSND—Below MRL2024-08-13
8:2 FTSND—Below MRL2024-08-13
PFMPAND—Below MRL2024-08-13
PFOSND4Below MRL2025-02-03
PFOAND4Below MRL2025-02-03
PFDAND—Below MRL2025-02-03
PFHpAND—Below MRL2025-02-03
PFHxAND—Below MRL2025-02-03
6:2 FTSND—Below MRL2024-08-13
PFMBAND—Below MRL2024-08-13
PFEESAND—Below MRL2024-08-13
PFPeSND—Below MRL2024-08-13
lithiumND—Below MRL2024-08-13
PFUnAND—Below MRL2024-08-13
NFDHAND—Below MRL2024-08-13
PFTAND—Below MRL2024-08-13
PFTrDAND—Below MRL2024-08-13
NEtFOSAAND—Below MRL2024-08-13
NMeFOSAAND—Below MRL2024-08-13
PFBSND—Below MRL2024-08-13
PFHpAND—Below MRL2024-08-13
PFDAND—Below MRL2024-08-13
PFDoAND—Below MRL2024-08-13
NFDHAND—Below MRL2025-02-03
9Cl-PF3ONSND—Below MRL2025-02-03
ADONAND—Below MRL2025-02-03
HFPO-DAND10Below MRL2025-02-03
PFBAND—Below MRL2025-02-03
6:2 FTSND—Below MRL2025-02-03
4:2 FTSND—Below MRL2025-02-03
8:2 FTSND—Below MRL2025-02-03
PFHpSND—Below MRL2025-02-03
PFMBAND—Below MRL2025-02-03
PFPeSND—Below MRL2025-02-03
11Cl-PF3OUdSND—Below MRL2025-02-03
PFPeAND—Below MRL2025-02-03
PFMPAND—Below MRL2025-02-03
NEtFOSAAND—Below MRL2025-02-03
PFEESAND—Below MRL2025-02-03
PFUnAND—Below MRL2025-02-03
NMeFOSAAND—Below MRL2025-02-03
PFTrDAND—Below MRL2025-02-03
PFTAND—Below MRL2025-02-03
lithiumND—Below MRL2025-02-03
PFBSND—Below MRL2025-02-03
PFHxSND10Below MRL2025-02-03
PFNAND10Below MRL2025-02-03
PFNA6.610Detected2024-08-13
PFOA6.54Exceeds2024-08-13
PFPeA5.6—2024-08-13
PFHxA5.1—2024-08-13
PFOS4.14Exceeds2024-08-13
PFHxS3.410Detected2024-08-13

Next steps