PFAS Comply

SMITHTOWN WATER DISTRICT

PWSID: NY5105656 · KINGS PARK, NY · Serving 19,635 people

Type: CWSOwner: LSource: GW
Compliant

All PFAS compounds below EPA Maximum Contaminant Levels.

Key contaminants vs MCL

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

Detection summary

0
PFAS compounds detected
N/A ppt
Highest single detection
2025-08-12
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
9Cl-PF3ONSND—Below MRL2025-02-03
11Cl-PF3OUdSND—Below MRL2025-02-03
PFUnAND—Below MRL2025-02-03
PFHxSND10Below MRL2025-02-03
PFHxAND—Below MRL2025-02-03
PFDoAND—Below MRL2025-02-03
PFDAND—Below MRL2025-02-03
PFNAND10Below MRL2025-02-03
PFOSND4Below MRL2025-02-03
PFPeAND—Below MRL2025-02-03
PFHpAND—Below MRL2025-02-03
PFBSND—Below MRL2025-02-03
lithiumND—Below MRL2025-02-03
PFPeSND—Below MRL2025-02-03
PFHpSND—Below MRL2025-02-03
PFOAND4Below MRL2025-02-03
NMeFOSAAND—Below MRL2025-02-03
PFEESAND—Below MRL2025-02-03
ADONAND—Below MRL2025-02-03
PFMBAND—Below MRL2025-02-03
PFTrDAND—Below MRL2025-02-03
NFDHAND—Below MRL2025-02-03
NEtFOSAAND—Below MRL2025-02-03
PFTAND—Below MRL2025-02-03
PFMPAND—Below MRL2025-02-03
8:2 FTSND—Below MRL2025-02-03
4:2 FTSND—Below MRL2025-02-03
6:2 FTSND—Below MRL2025-02-03
PFBAND—Below MRL2025-02-03
HFPO-DAND10Below MRL2025-02-03
PFBAND—Below MRL2025-08-12
PFHxSND10Below MRL2025-08-12
6:2 FTSND—Below MRL2025-08-12
4:2 FTSND—Below MRL2025-08-12
9Cl-PF3ONSND—Below MRL2025-08-12
HFPO-DAND10Below MRL2025-08-12
8:2 FTSND—Below MRL2025-08-12
PFMPAND—Below MRL2025-08-12
PFPeAND—Below MRL2025-08-12
PFEESAND—Below MRL2025-08-12
11Cl-PF3OUdSND—Below MRL2025-08-12
NFDHAND—Below MRL2025-08-12
PFHpAND—Below MRL2025-08-12
PFBSND—Below MRL2025-08-12
PFMBAND—Below MRL2025-08-12
PFPeSND—Below MRL2025-08-12
ADONAND—Below MRL2025-08-12
PFHpSND—Below MRL2025-08-12
PFUnAND—Below MRL2025-08-12
NMeFOSAAND—Below MRL2025-08-12
NEtFOSAAND—Below MRL2025-08-12
PFTrDAND—Below MRL2025-08-12
PFTAND—Below MRL2025-08-12
PFNAND10Below MRL2025-08-12
PFOSND4Below MRL2025-08-12
PFOAND4Below MRL2025-08-12
PFDAND—Below MRL2025-08-12
PFDoAND—Below MRL2025-08-12
PFHxAND—Below MRL2025-08-12
lithiumND—Below MRL2025-08-12

Next steps