PFAS Comply

KING COUNTY WATER DISTRICT #125

PWSID: WA5341998 · SEATTLE, WA · Serving 17,546 people

Type: CWSOwner: LSource: SW
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
2023-08-15
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFPeAND—Below MRL2023-06-13
NMeFOSAAND—Below MRL2023-05-16
PFNAND10Below MRL2023-06-13
PFHxSND10Below MRL2023-06-13
PFHpAND—Below MRL2023-06-13
PFBSND—Below MRL2023-06-13
NEtFOSAAND—Below MRL2023-05-16
PFTrDAND—Below MRL2023-05-16
PFTAND—Below MRL2023-05-16
PFHpSND—Below MRL2023-06-13
NFDHAND—Below MRL2023-06-13
PFEESAND—Below MRL2023-06-13
PFMPAND—Below MRL2023-06-13
PFMBAND—Below MRL2023-06-13
9Cl-PF3ONSND—Below MRL2023-06-13
4:2 FTSND—Below MRL2023-06-13
8:2 FTSND—Below MRL2023-06-13
PFPeSND—Below MRL2023-06-13
lithiumND—Below MRL2023-05-16
PFBAND—Below MRL2023-06-13
6:2 FTSND—Below MRL2023-06-13
ADONAND—Below MRL2023-06-13
PFOSND4Below MRL2023-06-13
11Cl-PF3OUdSND—Below MRL2023-06-13
PFUnAND—Below MRL2023-06-13
PFHxAND—Below MRL2023-06-13
PFDoAND—Below MRL2023-06-13
PFDAND—Below MRL2023-06-13
PFOAND4Below MRL2023-06-13
HFPO-DAND10Below MRL2023-06-13
PFMPAND—Below MRL2023-08-15
6:2 FTSND—Below MRL2023-08-15
PFOSND4Below MRL2023-08-15
lithiumND—Below MRL2023-08-15
NMeFOSAAND—Below MRL2023-08-15
NEtFOSAAND—Below MRL2023-08-15
PFTrDAND—Below MRL2023-08-15
PFTAND—Below MRL2023-08-15
PFHpSND—Below MRL2023-08-15
PFPeSND—Below MRL2023-08-15
NFDHAND—Below MRL2023-08-15
PFEESAND—Below MRL2023-08-15
PFMBAND—Below MRL2023-08-15
4:2 FTSND—Below MRL2023-08-15
8:2 FTSND—Below MRL2023-08-15
PFBSND—Below MRL2023-08-15
PFBAND—Below MRL2023-08-15
HFPO-DAND10Below MRL2023-08-15
ADONAND—Below MRL2023-08-15
9Cl-PF3ONSND—Below MRL2023-08-15
11Cl-PF3OUdSND—Below MRL2023-08-15
PFUnAND—Below MRL2023-08-15
PFHxAND—Below MRL2023-08-15
PFDoAND—Below MRL2023-08-15
PFOAND4Below MRL2023-08-15
PFNAND10Below MRL2023-08-15
PFHxSND10Below MRL2023-08-15
PFHpAND—Below MRL2023-08-15
PFPeAND—Below MRL2023-08-15
PFDAND—Below MRL2023-08-15
9Cl-PF3ONSND—Below MRL2023-11-07
PFTAND—Below MRL2023-11-07
lithiumND—Below MRL2023-11-07
PFBSND—Below MRL2023-11-07
PFHpAND—Below MRL2023-11-07
PFHxSND10Below MRL2023-11-07
PFNAND10Below MRL2023-11-07
PFOSND4Below MRL2023-11-07
PFOAND4Below MRL2023-11-07
PFDAND—Below MRL2023-11-07
PFDoAND—Below MRL2023-11-07
PFHxAND—Below MRL2023-11-07
PFTrDAND—Below MRL2023-11-07
11Cl-PF3OUdSND—Below MRL2023-11-07
6:2 FTSND—Below MRL2023-11-07
ADONAND—Below MRL2023-11-07
HFPO-DAND10Below MRL2023-11-07
PFBAND—Below MRL2023-11-07
4:2 FTSND—Below MRL2023-11-07
PFMPAND—Below MRL2023-11-07
PFPeAND—Below MRL2023-11-07
PFMBAND—Below MRL2023-11-07
PFEESAND—Below MRL2023-11-07
NFDHAND—Below MRL2023-11-07
PFPeSND—Below MRL2023-11-07
PFHpSND—Below MRL2023-11-07
PFUnAND—Below MRL2023-11-07
NMeFOSAAND—Below MRL2023-11-07
8:2 FTSND—Below MRL2023-11-07
NEtFOSAAND—Below MRL2023-11-07
PFTrDAND—Below MRL2024-02-14
8:2 FTSND—Below MRL2024-02-14
NMeFOSAAND—Below MRL2024-02-14
PFPeAND—Below MRL2024-02-14
PFMBAND—Below MRL2024-02-14
PFEESAND—Below MRL2024-02-14
NFDHAND—Below MRL2024-02-14
4:2 FTSND—Below MRL2024-02-14
PFTAND—Below MRL2024-02-14
PFMPAND—Below MRL2024-02-14
NEtFOSAAND—Below MRL2024-02-14
PFHpSND—Below MRL2024-02-14
PFPeSND—Below MRL2024-02-14
lithiumND—Below MRL2024-02-14
PFNAND10Below MRL2024-02-14
11Cl-PF3OUdSND—Below MRL2024-02-14
PFBSND—Below MRL2024-02-14
PFHpAND—Below MRL2024-02-14
PFHxSND10Below MRL2024-02-14
6:2 FTSND—Below MRL2024-02-14
PFOSND4Below MRL2024-02-14
PFOAND4Below MRL2024-02-14
PFDAND—Below MRL2024-02-14
PFDoAND—Below MRL2024-02-14
PFUnAND—Below MRL2024-02-14
9Cl-PF3ONSND—Below MRL2024-02-14
ADONAND—Below MRL2024-02-14
HFPO-DAND10Below MRL2024-02-14
PFHxAND—Below MRL2024-02-14
PFBAND—Below MRL2024-02-14

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