PFAS Comply

PORT WASHINGTON WD

PWSID: NY2912267 · PORT WASHINGTON, NY · Serving 34,000 people

Type: CWSOwner: MSource: 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

PFOA5.3 ppt(MCL: 4 ppt)
PFOS4.7 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
6.9 ppt
Highest single detection
2024-09-23
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFMBAND—Below MRL2025-10-28
PFUnAND—Below MRL2023-04-18
11Cl-PF3OUdSND—Below MRL2023-04-18
9Cl-PF3ONSND—Below MRL2023-04-18
ADONAND—Below MRL2023-04-18
HFPO-DAND10Below MRL2023-04-18
PFBAND—Below MRL2023-04-18
PFHxAND—Below MRL2023-04-18
4:2 FTSND—Below MRL2023-04-18
PFMPAND—Below MRL2023-04-18
PFPeAND—Below MRL2023-04-18
PFTAND—Below MRL2023-04-18
PFEESAND—Below MRL2023-04-18
NFDHAND—Below MRL2023-04-18
PFPeSND—Below MRL2023-04-18
PFHpSND—Below MRL2023-04-18
6:2 FTSND—Below MRL2023-04-18
PFDAND—Below MRL2023-04-18
PFOAND4Below MRL2023-04-18
PFOSND4Below MRL2023-04-18
PFNAND10Below MRL2023-04-18
PFHxSND10Below MRL2023-04-18
PFHpAND—Below MRL2023-04-18
PFBSND—Below MRL2023-04-18
lithiumND—Below MRL2023-04-18
NEtFOSAAND—Below MRL2023-04-18
PFTrDAND—Below MRL2023-04-18
PFMBAND—Below MRL2023-04-18
NMeFOSAAND—Below MRL2023-04-18
PFDoAND—Below MRL2023-04-18
HFPO-DAND10Below MRL2023-10-26
8:2 FTSND—Below MRL2023-10-26
4:2 FTSND—Below MRL2023-10-26
PFBAND—Below MRL2023-10-26
6:2 FTSND—Below MRL2023-10-26
NFDHAND—Below MRL2023-10-26
ADONAND—Below MRL2023-10-26
PFHpSND—Below MRL2023-10-26
PFOSND4Below MRL2023-10-26
PFBSND—Below MRL2023-10-26
PFHpAND—Below MRL2023-10-26
PFMPAND—Below MRL2023-10-26
PFPeAND—Below MRL2023-10-26
PFPeSND—Below MRL2023-10-26
9Cl-PF3ONSND—Below MRL2023-10-26
11Cl-PF3OUdSND—Below MRL2023-10-26
PFUnAND—Below MRL2023-10-26
PFHxAND—Below MRL2023-10-26
PFDoAND—Below MRL2023-10-26
PFOAND4Below MRL2023-10-26
PFNAND10Below MRL2023-10-26
PFHxSND10Below MRL2023-10-26
lithiumND—Below MRL2023-10-26
PFTAND—Below MRL2023-10-26
PFEESAND—Below MRL2023-10-26
PFTrDAND—Below MRL2023-10-26
NEtFOSAAND—Below MRL2023-10-26
NMeFOSAAND—Below MRL2023-10-26
PFDAND—Below MRL2023-10-26
PFMBAND—Below MRL2023-10-26
PFPeAND—Below MRL2023-06-14
PFHpAND—Below MRL2023-06-14
PFNAND10Below MRL2023-06-14
PFOSND4Below MRL2023-06-14
PFOAND4Below MRL2023-06-14
PFDAND—Below MRL2023-06-14
PFDoAND—Below MRL2023-06-14
PFHxAND—Below MRL2023-06-14
PFUnAND—Below MRL2023-06-14
11Cl-PF3OUdSND—Below MRL2023-06-14
9Cl-PF3ONSND—Below MRL2023-06-14
6:2 FTSND—Below MRL2023-06-14
4:2 FTSND—Below MRL2023-06-14
PFMPAND—Below MRL2023-06-14
PFBSND—Below MRL2023-06-14
PFMBAND—Below MRL2023-06-14
PFEESAND—Below MRL2023-06-14
NFDHAND—Below MRL2023-06-14
PFPeSND—Below MRL2023-06-14
PFHpSND—Below MRL2023-06-14
ADONAND—Below MRL2023-06-14
HFPO-DAND10Below MRL2023-06-14
PFBAND—Below MRL2023-06-14
PFTAND—Below MRL2024-09-23
PFTrDAND—Below MRL2024-09-23
NEtFOSAAND—Below MRL2024-09-23
NMeFOSAAND—Below MRL2024-09-23
lithiumND—Below MRL2023-04-18
8:2 FTSND—Below MRL2023-06-14
PFHxSND10Below MRL2023-06-14
PFUnAND—Below MRL2023-10-26
NFDHAND—Below MRL2023-10-26
PFTAND—Below MRL2023-10-26
PFTrDAND—Below MRL2023-10-26
NEtFOSAAND—Below MRL2023-10-26
NMeFOSAAND—Below MRL2023-10-26
PFBSND—Below MRL2023-10-26
PFHpAND—Below MRL2023-10-26
PFHxSND10Below MRL2023-10-26
PFNAND10Below MRL2023-10-26
PFOSND4Below MRL2023-10-26
PFOAND4Below MRL2023-10-26
PFDAND—Below MRL2023-10-26
PFHxAND—Below MRL2023-10-26
PFPeSND—Below MRL2023-10-26
11Cl-PF3OUdSND—Below MRL2023-10-26
9Cl-PF3ONSND—Below MRL2023-10-26
ADONAND—Below MRL2023-10-26
HFPO-DAND10Below MRL2023-10-26
PFBAND—Below MRL2023-10-26
6:2 FTSND—Below MRL2023-10-26
4:2 FTSND—Below MRL2023-10-26
8:2 FTSND—Below MRL2023-10-26
PFMPAND—Below MRL2023-10-26
PFPeAND—Below MRL2023-10-26
PFMBAND—Below MRL2023-10-26
PFEESAND—Below MRL2023-10-26
lithiumND—Below MRL2023-10-26
PFDoAND—Below MRL2023-10-26
PFHpSND—Below MRL2023-10-26
ADONAND—Below MRL2023-06-14
PFTrDAND—Below MRL2023-04-18
NEtFOSAAND—Below MRL2023-04-18
NMeFOSAAND—Below MRL2023-04-18
lithiumND—Below MRL2023-04-18
PFBSND—Below MRL2023-06-14
PFHpAND—Below MRL2023-06-14
PFHxSND10Below MRL2023-06-14
PFNAND10Below MRL2023-06-14
PFOSND4Below MRL2023-06-14
PFOAND4Below MRL2023-06-14
PFDAND—Below MRL2023-06-14
PFHxAND—Below MRL2023-06-14
PFTAND—Below MRL2023-04-18
9Cl-PF3ONSND—Below MRL2023-06-14
PFDoAND—Below MRL2023-06-14
HFPO-DAND10Below MRL2023-06-14
PFBAND—Below MRL2023-06-14
6:2 FTSND—Below MRL2023-06-14
4:2 FTSND—Below MRL2023-06-14
8:2 FTSND—Below MRL2023-06-14
PFMPAND—Below MRL2023-06-14
PFPeAND—Below MRL2023-06-14
PFMBAND—Below MRL2023-06-14
PFEESAND—Below MRL2023-06-14
NFDHAND—Below MRL2023-06-14
PFPeSND—Below MRL2023-06-14
PFHpSND—Below MRL2023-06-14
11Cl-PF3OUdSND—Below MRL2023-06-14
PFUnAND—Below MRL2023-06-14
PFMBAND—Below MRL2023-06-20
9Cl-PF3ONSND—Below MRL2023-06-20
ADONAND—Below MRL2023-06-20
HFPO-DAND10Below MRL2023-06-20
PFBAND—Below MRL2023-06-20
6:2 FTSND—Below MRL2023-06-20
11Cl-PF3OUdSND—Below MRL2023-06-20
PFPeAND—Below MRL2023-06-20
4:2 FTSND—Below MRL2023-06-20
PFEESAND—Below MRL2023-06-20
NFDHAND—Below MRL2023-06-20
PFPeSND—Below MRL2023-06-20
PFHpSND—Below MRL2023-06-20
lithiumND—Below MRL2023-06-20
8:2 FTSND—Below MRL2023-06-20
PFTrDAND—Below MRL2023-06-20
PFMPAND—Below MRL2023-06-20
PFTAND—Below MRL2023-06-20
PFUnAND—Below MRL2023-06-20
NEtFOSAAND—Below MRL2023-06-20
NMeFOSAAND—Below MRL2023-06-20
PFBSND—Below MRL2023-06-20
PFHpAND—Below MRL2023-06-20
PFHxSND10Below MRL2023-06-20
PFNAND10Below MRL2023-06-20
PFOSND4Below MRL2023-06-20
PFOAND4Below MRL2023-06-20
PFDAND—Below MRL2023-06-20
PFDoAND—Below MRL2023-06-20
PFHxAND—Below MRL2023-06-20
PFNAND10Below MRL2024-09-23
HFPO-DAND10Below MRL2024-09-23
ADONAND—Below MRL2024-09-23
9Cl-PF3ONSND—Below MRL2024-09-23
11Cl-PF3OUdSND—Below MRL2024-09-23
PFUnAND—Below MRL2024-09-23
PFHxAND—Below MRL2024-09-23
PFDoAND—Below MRL2024-09-23
PFDAND—Below MRL2024-09-23
PFHpAND—Below MRL2024-09-23
PFOSND4Below MRL2024-09-23
PFBAND—Below MRL2024-09-23
NMeFOSAAND—Below MRL2024-09-23
PFHxSND10Below MRL2024-09-23
PFOAND4Below MRL2024-09-23
NEtFOSAAND—Below MRL2024-09-23
PFBSND—Below MRL2024-09-23
lithiumND—Below MRL2024-09-23
PFTrDAND—Below MRL2024-09-23
PFTAND—Below MRL2024-09-23
PFHpSND—Below MRL2024-09-23
PFPeSND—Below MRL2024-09-23
NFDHAND—Below MRL2024-09-23
PFMBAND—Below MRL2024-09-23
PFPeAND—Below MRL2024-09-23
PFMPAND—Below MRL2024-09-23
8:2 FTSND—Below MRL2024-09-23
4:2 FTSND—Below MRL2024-09-23
PFEESAND—Below MRL2024-09-23
6:2 FTSND—Below MRL2024-09-23
PFEESAND—Below MRL2023-06-14
HFPO-DAND10Below MRL2023-06-14
PFBAND—Below MRL2023-06-14
6:2 FTSND—Below MRL2023-06-14
4:2 FTSND—Below MRL2023-06-14
lithiumND—Below MRL2023-04-18
8:2 FTSND—Below MRL2023-06-14
PFMPAND—Below MRL2023-06-14
PFPeSND—Below MRL2023-06-14
PFMBAND—Below MRL2023-06-14
NFDHAND—Below MRL2023-06-14
ADONAND—Below MRL2023-06-14
PFHpSND—Below MRL2023-06-14
PFNAND10Below MRL2023-06-14
PFTAND—Below MRL2023-12-05
PFEESAND—Below MRL2025-10-28
PFPeAND—Below MRL2025-10-28
NFDHAND—Below MRL2025-10-28
8:2 FTSND—Below MRL2025-10-28
4:2 FTSND—Below MRL2025-10-28
6:2 FTSND—Below MRL2025-10-28
PFHpSND—Below MRL2025-10-28
PFBAND—Below MRL2025-10-28
PFHpAND—Below MRL2025-10-28
8:2 FTSND—Below MRL2023-04-18
PFOSND4Below MRL2023-06-14
PFBSND—Below MRL2023-06-14
NMeFOSAAND—Below MRL2023-04-18
NEtFOSAAND—Below MRL2023-04-18
PFTrDAND—Below MRL2023-04-18
PFTAND—Below MRL2023-04-18
PFHpAND—Below MRL2023-06-14
PFOAND4Below MRL2023-06-14
PFHxSND10Below MRL2023-06-14
9Cl-PF3ONSND—Below MRL2023-06-14
PFDAND—Below MRL2023-06-14
PFDoAND—Below MRL2023-06-14
PFHxAND—Below MRL2023-06-14
PFUnAND—Below MRL2023-06-14
11Cl-PF3OUdSND—Below MRL2023-06-14
PFTAND—Below MRL2023-10-26
11Cl-PF3OUdSND—Below MRL2023-10-26
PFBAND—Below MRL2023-10-26
PFTrDAND—Below MRL2023-10-26
NMeFOSAAND—Below MRL2023-10-26
NEtFOSAAND—Below MRL2023-10-26
PFHpSND—Below MRL2023-10-26
PFPeSND—Below MRL2023-10-26
NFDHAND—Below MRL2023-10-26
PFEESAND—Below MRL2023-10-26
PFMBAND—Below MRL2023-10-26
PFMPAND—Below MRL2023-10-26
8:2 FTSND—Below MRL2023-10-26
6:2 FTSND—Below MRL2023-10-26
PFBSND—Below MRL2023-10-26
HFPO-DAND10Below MRL2023-10-26
ADONAND—Below MRL2023-10-26
9Cl-PF3ONSND—Below MRL2023-10-26
PFUnAND—Below MRL2023-10-26
PFDoAND—Below MRL2023-10-26
PFDAND—Below MRL2023-10-26
PFOAND4Below MRL2023-10-26
PFOSND4Below MRL2023-10-26
PFNAND10Below MRL2023-10-26
PFHxSND10Below MRL2023-10-26
lithiumND—Below MRL2023-10-26
4:2 FTSND—Below MRL2023-10-26
PFHpAND—Below MRL2023-10-26
PFDAND—Below MRL2023-03-22
PFTrDAND—Below MRL2023-02-14
PFOSND4Below MRL2023-03-22
PFNAND10Below MRL2023-03-22
PFHpAND—Below MRL2023-03-22
PFOAND4Below MRL2023-03-22
NFDHAND—Below MRL2023-03-22
PFUnAND—Below MRL2023-03-22
lithiumND—Below MRL2023-02-14
NEtFOSAAND—Below MRL2023-02-14
PFTAND—Below MRL2023-02-14
PFDoAND—Below MRL2023-03-22
NMeFOSAAND—Below MRL2023-02-14
4:2 FTSND—Below MRL2023-03-22
PFHpSND—Below MRL2023-03-22
PFPeSND—Below MRL2023-03-22
PFEESAND—Below MRL2023-03-22
PFMBAND—Below MRL2023-03-22
PFPeAND—Below MRL2023-03-22
8:2 FTSND—Below MRL2023-03-22
PFMPAND—Below MRL2023-03-22
PFHxAND—Below MRL2023-03-22
6:2 FTSND—Below MRL2023-03-22
PFBAND—Below MRL2023-03-22
HFPO-DAND10Below MRL2023-03-22
ADONAND—Below MRL2023-03-22
9Cl-PF3ONSND—Below MRL2023-03-22
11Cl-PF3OUdSND—Below MRL2023-03-22
PFBSND—Below MRL2023-03-22
PFHxSND10Below MRL2023-03-22
6:2 FTSND—Below MRL2023-09-18
PFHxSND10Below MRL2023-09-18
PFNAND10Below MRL2023-09-18
PFOSND4Below MRL2023-09-18
PFDAND—Below MRL2023-09-18
PFHxAND—Below MRL2023-09-18
PFUnAND—Below MRL2023-09-18
11Cl-PF3OUdSND—Below MRL2023-09-18
9Cl-PF3ONSND—Below MRL2023-09-18
ADONAND—Below MRL2023-09-18
lithiumND—Below MRL2023-08-22
PFBAND—Below MRL2023-09-18
4:2 FTSND—Below MRL2023-09-18
8:2 FTSND—Below MRL2023-09-18
PFMPAND—Below MRL2023-09-18
PFPeAND—Below MRL2023-09-18
PFMBAND—Below MRL2023-09-18
PFEESAND—Below MRL2023-09-18
NFDHAND—Below MRL2023-09-18
PFPeSND—Below MRL2023-09-18
PFHpSND—Below MRL2023-09-18
PFBSND—Below MRL2023-09-18
PFHpAND—Below MRL2023-09-18
HFPO-DAND10Below MRL2023-09-18
PFTrDAND—Below MRL2023-09-18
NEtFOSAAND—Below MRL2023-09-18
PFTAND—Below MRL2023-09-18
PFDoAND—Below MRL2023-09-18
NMeFOSAAND—Below MRL2023-09-18
PFTrDAND—Below MRL2023-02-14
PFDAND—Below MRL2023-03-06
PFOAND4Below MRL2023-03-06
PFOSND4Below MRL2023-03-06
PFHxSND10Below MRL2023-03-06
PFBSND—Below MRL2023-03-06
PFDoAND—Below MRL2023-03-06
PFUnAND—Below MRL2023-03-06
PFNAND10Below MRL2023-03-06
NEtFOSAAND—Below MRL2023-02-14
NMeFOSAAND—Below MRL2023-02-14
lithiumND—Below MRL2023-02-14
PFTAND—Below MRL2023-02-14
PFPeSND—Below MRL2023-03-06
NFDHAND—Below MRL2023-03-06
PFPeAND—Below MRL2023-03-06
PFHpSND—Below MRL2023-03-06
PFEESAND—Below MRL2023-03-06
PFHpAND—Below MRL2023-03-06
PFMBAND—Below MRL2023-03-06
PFHxAND—Below MRL2023-03-06
PFMPAND—Below MRL2023-03-06
8:2 FTSND—Below MRL2023-03-06
4:2 FTSND—Below MRL2023-03-06
11Cl-PF3OUdSND—Below MRL2023-03-06
PFBAND—Below MRL2023-03-06
HFPO-DAND10Below MRL2023-03-06
ADONAND—Below MRL2023-03-06
9Cl-PF3ONSND—Below MRL2023-03-06
6:2 FTSND—Below MRL2023-03-06
PFEESAND—Below MRL2023-10-30
PFMBAND—Below MRL2023-10-30
PFMPAND—Below MRL2023-10-30
4:2 FTSND—Below MRL2023-10-30
6:2 FTSND—Below MRL2023-10-30
PFBAND—Below MRL2023-10-30
11Cl-PF3OUdSND—Below MRL2023-10-30
ADONAND—Below MRL2023-10-30
9Cl-PF3ONSND—Below MRL2023-10-30
lithiumND—Below MRL2023-08-16
NFDHAND—Below MRL2023-10-30
HFPO-DAND10Below MRL2023-10-30
NEtFOSAAND—Below MRL2023-08-16
PFTrDAND—Below MRL2023-08-16
PFTAND—Below MRL2023-08-16
8:2 FTSND—Below MRL2023-10-30
NMeFOSAAND—Below MRL2023-08-16
PFHxAND—Below MRL2023-10-30
PFUnAND—Below MRL2023-10-30
PFDAND—Below MRL2023-10-30
PFPeSND—Below MRL2023-10-30
PFOSND4Below MRL2023-10-30
PFNAND10Below MRL2023-10-30
PFHxSND10Below MRL2023-10-30
PFHpAND—Below MRL2023-10-30
PFBSND—Below MRL2023-10-30
PFHpSND—Below MRL2023-10-30
PFDoAND—Below MRL2023-10-30
PFPeAND—Below MRL2023-10-30
PFBSND—Below MRL2023-02-14
PFBAND—Below MRL2023-02-14
HFPO-DAND10Below MRL2023-02-14
ADONAND—Below MRL2023-02-14
9Cl-PF3ONSND—Below MRL2023-02-14
PFDoAND—Below MRL2023-02-14
PFDAND—Below MRL2023-02-14
PFOAND4Below MRL2023-02-14
PFOSND4Below MRL2023-02-14
PFHpAND—Below MRL2023-02-14
NMeFOSAAND—Below MRL2023-02-14
lithiumND—Below MRL2023-02-14
PFUnAND—Below MRL2023-02-14
6:2 FTSND—Below MRL2023-02-14
PFNAND10Below MRL2023-02-14
PFHpSND—Below MRL2023-02-14
PFTrDAND—Below MRL2023-02-14
PFTAND—Below MRL2023-02-14
NFDHAND—Below MRL2023-02-14
11Cl-PF3OUdSND—Below MRL2023-02-14
PFHxSND10Below MRL2023-02-14
NEtFOSAAND—Below MRL2023-02-14
PFPeSND—Below MRL2023-02-14
PFEESAND—Below MRL2023-02-14
PFMBAND—Below MRL2023-02-14
PFMPAND—Below MRL2023-02-14
8:2 FTSND—Below MRL2023-02-14
4:2 FTSND—Below MRL2023-02-14
NEtFOSAAND—Below MRL2023-08-16
NMeFOSAAND—Below MRL2023-08-16
lithiumND—Below MRL2023-08-16
PFTAND—Below MRL2023-08-16
PFTrDAND—Below MRL2023-08-16
NMeFOSAAND—Below MRL2023-02-14
NFDHAND—Below MRL2023-02-14
PFBSND—Below MRL2023-02-14
PFHpAND—Below MRL2023-02-14
PFDoAND—Below MRL2023-02-14
PFHxAND—Below MRL2023-02-14
11Cl-PF3OUdSND—Below MRL2023-02-14
9Cl-PF3ONSND—Below MRL2023-02-14
ADONAND—Below MRL2023-02-14
HFPO-DAND10Below MRL2023-02-14
PFBAND—Below MRL2023-02-14
NEtFOSAAND—Below MRL2023-02-14
8:2 FTSND—Below MRL2023-02-14
4:2 FTSND—Below MRL2023-02-14
PFPeAND—Below MRL2023-02-14
PFMBAND—Below MRL2023-02-14
PFEESAND—Below MRL2023-02-14
PFPeSND—Below MRL2023-02-14
PFHpSND—Below MRL2023-02-14
PFHxSND10Below MRL2023-02-14
PFDAND—Below MRL2023-02-14
PFUnAND—Below MRL2023-02-14
lithiumND—Below MRL2023-02-14
PFTAND—Below MRL2023-02-14
PFMPAND—Below MRL2023-02-14
PFTrDAND—Below MRL2023-02-14
PFHxSND10Below MRL2025-10-28
9Cl-PF3ONSND—Below MRL2025-10-28
11Cl-PF3OUdSND—Below MRL2025-10-28
PFUnAND—Below MRL2025-10-28
PFHxAND—Below MRL2025-10-28
PFDoAND—Below MRL2025-10-28
PFDAND—Below MRL2025-10-28
PFOAND4Below MRL2025-10-28
ADONAND—Below MRL2025-10-28
PFNAND10Below MRL2025-10-28
PFBSND—Below MRL2025-10-28
lithiumND—Below MRL2023-08-22
PFTrDAND—Below MRL2023-12-05
NEtFOSAAND—Below MRL2023-12-05
NMeFOSAAND—Below MRL2023-12-05
PFOSND4Below MRL2025-10-28
PFMPAND—Below MRL2025-10-28
HFPO-DAND10Below MRL2025-10-28
PFPeSND—Below MRL2025-10-28
PFPeA6.9—2023-10-26
6:2 FTS6.5—2023-02-14
PFPeA6.2—2023-06-14
PFOA5.34Exceeds2023-02-14
PFOA5.34Exceeds2023-10-30
PFOS4.74Exceeds2023-02-14
PFNA4.210Detected2023-02-14
PFOA4.14Exceeds2023-09-18
PFPeA3.9—2023-02-14
PFHxA3.6—2023-10-26
PFHxA3—2023-02-14

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