PFAS Comply

KING COUNTY WATER DISTRICT #49

PWSID: WA5339800 · Burien, WA · Serving 16,065 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
2023-08-10
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHpAND—Below MRL2023-02-15
PFHxSND10Below MRL2023-02-15
PFNAND10Below MRL2023-02-15
PFHpSND—Below MRL2023-02-15
PFTAND—Below MRL2023-02-15
PFTrDAND—Below MRL2023-02-15
NEtFOSAAND—Below MRL2023-02-15
NMeFOSAAND—Below MRL2023-02-15
lithiumND—Below MRL2023-02-15
PFBSND—Below MRL2023-02-15
PFOSND4Below MRL2023-02-15
PFOAND4Below MRL2023-02-15
PFDAND—Below MRL2023-02-15
PFDoAND—Below MRL2023-02-15
PFHxAND—Below MRL2023-02-15
PFUnAND—Below MRL2023-02-15
PFEESAND—Below MRL2023-02-15
PFPeSND—Below MRL2023-02-15
NFDHAND—Below MRL2023-02-15
11Cl-PF3OUdSND—Below MRL2023-02-15
PFMBAND—Below MRL2023-02-15
PFPeAND—Below MRL2023-02-15
PFMPAND—Below MRL2023-02-15
8:2 FTSND—Below MRL2023-02-15
4:2 FTSND—Below MRL2023-02-15
6:2 FTSND—Below MRL2023-02-15
PFBAND—Below MRL2023-02-15
HFPO-DAND10Below MRL2023-02-15
ADONAND—Below MRL2023-02-15
9Cl-PF3ONSND—Below MRL2023-02-15
PFBSND—Below MRL2023-05-09
11Cl-PF3OUdSND—Below MRL2023-05-09
PFUnAND—Below MRL2023-05-09
PFHxAND—Below MRL2023-05-09
PFDoAND—Below MRL2023-05-09
PFDAND—Below MRL2023-05-09
PFOAND4Below MRL2023-05-09
PFOSND4Below MRL2023-05-09
PFNAND10Below MRL2023-05-09
NFDHAND—Below MRL2023-05-09
PFHpAND—Below MRL2023-05-09
9Cl-PF3ONSND—Below MRL2023-05-09
lithiumND—Below MRL2023-05-09
NMeFOSAAND—Below MRL2023-07-24
PFHxSND10Below MRL2023-05-09
PFPeAND—Below MRL2023-05-09
NEtFOSAAND—Below MRL2023-07-24
PFTAND—Below MRL2023-07-24
PFHpSND—Below MRL2023-05-09
PFPeSND—Below MRL2023-05-09
PFTrDAND—Below MRL2023-07-24
PFMBAND—Below MRL2023-05-09
ADONAND—Below MRL2023-05-09
PFMPAND—Below MRL2023-05-09
8:2 FTSND—Below MRL2023-05-09
4:2 FTSND—Below MRL2023-05-09
6:2 FTSND—Below MRL2023-05-09
PFBAND—Below MRL2023-05-09
HFPO-DAND10Below MRL2023-05-09
PFEESAND—Below MRL2023-05-09
PFDoAND—Below MRL2023-08-10
PFNAND10Below MRL2023-08-10
PFHxAND—Below MRL2023-08-10
PFHpSND—Below MRL2023-08-10
lithiumND—Below MRL2023-08-10
PFTAND—Below MRL2023-08-10
PFTrDAND—Below MRL2023-08-10
NEtFOSAAND—Below MRL2023-08-10
NMeFOSAAND—Below MRL2023-08-10
PFHxSND10Below MRL2023-08-10
PFOSND4Below MRL2023-08-10
PFOAND4Below MRL2023-08-10
PFDAND—Below MRL2023-08-10
PFBSND—Below MRL2023-08-10
PFUnAND—Below MRL2023-08-10
PFEESAND—Below MRL2023-08-10
PFPeSND—Below MRL2023-08-10
PFHpAND—Below MRL2023-08-10
NFDHAND—Below MRL2023-08-10
11Cl-PF3OUdSND—Below MRL2023-08-10
PFMBAND—Below MRL2023-08-10
PFPeAND—Below MRL2023-08-10
PFMPAND—Below MRL2023-08-10
8:2 FTSND—Below MRL2023-08-10
4:2 FTSND—Below MRL2023-08-10
6:2 FTSND—Below MRL2023-08-10
PFBAND—Below MRL2023-08-10
HFPO-DAND10Below MRL2023-08-10
ADONAND—Below MRL2023-08-10
9Cl-PF3ONSND—Below MRL2023-08-10
NEtFOSAAND—Below MRL2023-11-06
PFMPAND—Below MRL2023-11-06
8:2 FTSND—Below MRL2023-11-06
6:2 FTSND—Below MRL2023-11-06
4:2 FTSND—Below MRL2023-11-06
PFBAND—Below MRL2023-11-06
HFPO-DAND10Below MRL2023-11-06
PFHpSND—Below MRL2023-11-06
PFPeSND—Below MRL2023-11-06
PFTrDAND—Below MRL2023-11-06
NMeFOSAAND—Below MRL2023-11-06
PFPeAND—Below MRL2023-11-06
PFTAND—Below MRL2023-11-06
ADONAND—Below MRL2023-11-06
NFDHAND—Below MRL2023-11-06
PFNAND10Below MRL2023-11-06
PFUnAND—Below MRL2023-11-06
PFDoAND—Below MRL2023-11-06
PFDAND—Below MRL2023-11-06
PFOAND4Below MRL2023-11-06
PFHxAND—Below MRL2023-11-06
PFOSND4Below MRL2023-11-06
PFMBAND—Below MRL2023-11-06
PFHxSND10Below MRL2023-11-06
PFHpAND—Below MRL2023-11-06
PFBSND—Below MRL2023-11-06
9Cl-PF3ONSND—Below MRL2023-11-06
11Cl-PF3OUdSND—Below MRL2023-11-06
PFEESAND—Below MRL2023-11-06
lithiumND—Below MRL2023-11-06

Next steps