PFAS Comply

SEATTLE PUBLIC UTILITIES

PWSID: WA5377050 · Seattle, WA · Serving 1,091,904 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
2023-09-18
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFEESAND—Below MRL2023-07-18
11Cl-PF3OUdSND—Below MRL2023-07-18
lithiumND—Below MRL2023-03-14
NMeFOSAAND—Below MRL2023-07-18
NEtFOSAAND—Below MRL2023-07-18
PFTrDAND—Below MRL2023-07-18
9Cl-PF3ONSND—Below MRL2023-07-18
NFDHAND—Below MRL2023-07-18
PFPeSND—Below MRL2023-07-18
PFHpSND—Below MRL2023-07-18
PFMBAND—Below MRL2023-07-18
PFPeAND—Below MRL2023-07-18
PFMPAND—Below MRL2023-07-18
8:2 FTSND—Below MRL2023-07-18
4:2 FTSND—Below MRL2023-07-18
6:2 FTSND—Below MRL2023-07-18
PFBAND—Below MRL2023-07-18
PFHxAND—Below MRL2023-07-18
ADONAND—Below MRL2023-07-18
PFBSND—Below MRL2023-07-18
PFUnAND—Below MRL2023-07-18
PFTAND—Below MRL2023-07-18
PFDoAND—Below MRL2023-07-18
PFDAND—Below MRL2023-07-18
PFOAND4Below MRL2023-07-18
PFOSND4Below MRL2023-07-18
PFNAND10Below MRL2023-07-18
PFHxSND10Below MRL2023-07-18
PFHpAND—Below MRL2023-07-18
HFPO-DAND10Below MRL2023-07-18
PFDAND—Below MRL2023-06-27
PFMPAND—Below MRL2023-06-27
lithiumND—Below MRL2023-06-27
PFOSND4Below MRL2023-06-27
PFTAND—Below MRL2023-06-27
PFHpSND—Below MRL2023-06-27
PFPeSND—Below MRL2023-06-27
NFDHAND—Below MRL2023-06-27
PFEESAND—Below MRL2023-06-27
PFPeAND—Below MRL2023-06-27
8:2 FTSND—Below MRL2023-06-27
4:2 FTSND—Below MRL2023-06-27
6:2 FTSND—Below MRL2023-06-27
PFBAND—Below MRL2023-06-27
HFPO-DAND10Below MRL2023-06-27
PFNAND10Below MRL2023-06-27
PFTrDAND—Below MRL2023-06-27
NEtFOSAAND—Below MRL2023-06-27
PFMBAND—Below MRL2023-06-27
ADONAND—Below MRL2023-06-27
PFBSND—Below MRL2023-06-27
PFHxSND10Below MRL2023-06-27
NMeFOSAAND—Below MRL2023-06-27
PFOAND4Below MRL2023-06-27
PFDoAND—Below MRL2023-06-27
PFHxAND—Below MRL2023-06-27
PFUnAND—Below MRL2023-06-27
11Cl-PF3OUdSND—Below MRL2023-06-27
9Cl-PF3ONSND—Below MRL2023-06-27
PFHpAND—Below MRL2023-06-27
PFDAND—Below MRL2023-10-24
PFDoAND—Below MRL2023-10-24
PFHxSND10Below MRL2023-10-24
PFOAND4Below MRL2023-10-24
PFOSND4Below MRL2023-10-24
PFHxAND—Below MRL2023-10-24
PFNAND10Below MRL2023-10-24
PFHpAND—Below MRL2023-10-24
PFBSND—Below MRL2023-10-24
NMeFOSAAND—Below MRL2023-09-18
PFTrDAND—Below MRL2023-09-18
PFUnAND—Below MRL2023-10-24
PFHpSND—Below MRL2023-10-24
PFTAND—Below MRL2023-09-18
NEtFOSAAND—Below MRL2023-09-18
8:2 FTSND—Below MRL2023-10-24
lithiumND—Below MRL2023-09-18
PFPeSND—Below MRL2023-10-24
PFEESAND—Below MRL2023-10-24
PFMBAND—Below MRL2023-10-24
NFDHAND—Below MRL2023-10-24
PFMPAND—Below MRL2023-10-24
11Cl-PF3OUdSND—Below MRL2023-10-24
4:2 FTSND—Below MRL2023-10-24
6:2 FTSND—Below MRL2023-10-24
PFBAND—Below MRL2023-10-24
HFPO-DAND10Below MRL2023-10-24
ADONAND—Below MRL2023-10-24
9Cl-PF3ONSND—Below MRL2023-10-24
PFPeAND—Below MRL2023-10-24
PFDoAND—Below MRL2023-12-18
PFPeSND—Below MRL2023-12-18
PFUnAND—Below MRL2023-12-18
PFHpSND—Below MRL2023-12-18
NFDHAND—Below MRL2023-12-18
PFEESAND—Below MRL2023-12-18
PFMBAND—Below MRL2023-12-18
PFPeAND—Below MRL2023-12-18
PFMPAND—Below MRL2023-12-18
8:2 FTSND—Below MRL2023-12-18
4:2 FTSND—Below MRL2023-12-18
6:2 FTSND—Below MRL2023-12-18
PFBAND—Below MRL2023-12-18
HFPO-DAND10Below MRL2023-12-18
ADONAND—Below MRL2023-12-18
9Cl-PF3ONSND—Below MRL2023-12-18
PFTAND—Below MRL2023-12-18
11Cl-PF3OUdSND—Below MRL2023-12-18
PFTrDAND—Below MRL2023-12-18
NEtFOSAAND—Below MRL2023-12-18
NMeFOSAAND—Below MRL2023-12-18
lithiumND—Below MRL2023-12-18
PFBSND—Below MRL2023-12-18
PFHxSND10Below MRL2023-12-18
PFNAND10Below MRL2023-12-18
PFOSND4Below MRL2023-12-18
PFOAND4Below MRL2023-12-18
PFDAND—Below MRL2023-12-18
PFHpAND—Below MRL2023-12-18
PFHxAND—Below MRL2023-12-18
PFHpSND—Below MRL2023-07-18
6:2 FTSND—Below MRL2023-07-18
4:2 FTSND—Below MRL2023-07-18
8:2 FTSND—Below MRL2023-07-18
PFMPAND—Below MRL2023-07-18
PFPeAND—Below MRL2023-07-18
PFEESAND—Below MRL2023-07-18
PFTAND—Below MRL2023-07-18
PFPeSND—Below MRL2023-07-18
PFMBAND—Below MRL2023-07-18
PFBAND—Below MRL2023-07-18
PFDAND—Below MRL2023-07-18
NFDHAND—Below MRL2023-07-18
HFPO-DAND10Below MRL2023-07-18
ADONAND—Below MRL2023-07-18
9Cl-PF3ONSND—Below MRL2023-07-18
11Cl-PF3OUdSND—Below MRL2023-07-18
PFUnAND—Below MRL2023-07-18
PFBSND—Below MRL2023-07-18
PFDoAND—Below MRL2023-07-18
PFOAND4Below MRL2023-07-18
PFOSND4Below MRL2023-07-18
PFNAND10Below MRL2023-07-18
PFHxSND10Below MRL2023-07-18
PFHpAND—Below MRL2023-07-18
NEtFOSAAND—Below MRL2023-07-18
NMeFOSAAND—Below MRL2023-07-18
PFHxAND—Below MRL2023-07-18
lithiumND—Below MRL2023-03-14
PFTrDAND—Below MRL2023-07-18
PFMPAND—Below MRL2023-06-27
ADONAND—Below MRL2023-06-27
HFPO-DAND10Below MRL2023-06-27
PFBAND—Below MRL2023-06-27
6:2 FTSND—Below MRL2023-06-27
9Cl-PF3ONSND—Below MRL2023-06-27
8:2 FTSND—Below MRL2023-06-27
PFHxAND—Below MRL2023-06-27
PFPeAND—Below MRL2023-06-27
PFMBAND—Below MRL2023-06-27
PFEESAND—Below MRL2023-06-27
NFDHAND—Below MRL2023-06-27
PFPeSND—Below MRL2023-06-27
4:2 FTSND—Below MRL2023-06-27
PFHpSND—Below MRL2023-06-27
PFUnAND—Below MRL2023-06-27
PFOAND4Below MRL2023-06-27
PFDoAND—Below MRL2023-06-27
PFDAND—Below MRL2023-06-27
PFOSND4Below MRL2023-06-27
PFHxSND10Below MRL2023-06-27
PFHpAND—Below MRL2023-06-27
PFBSND—Below MRL2023-06-27
NMeFOSAAND—Below MRL2023-06-27
NEtFOSAAND—Below MRL2023-06-27
PFTrDAND—Below MRL2023-06-27
PFTAND—Below MRL2023-06-27
lithiumND—Below MRL2023-06-27
11Cl-PF3OUdSND—Below MRL2023-06-27
PFNAND10Below MRL2023-06-27
PFTAND—Below MRL2023-10-24
PFBSND—Below MRL2023-10-24
NMeFOSAAND—Below MRL2023-10-24
NEtFOSAAND—Below MRL2023-10-24
PFTrDAND—Below MRL2023-10-24
PFHpSND—Below MRL2023-10-24
PFPeSND—Below MRL2023-10-24
NFDHAND—Below MRL2023-10-24
PFEESAND—Below MRL2023-10-24
PFMBAND—Below MRL2023-10-24
PFPeAND—Below MRL2023-10-24
PFMPAND—Below MRL2023-10-24
8:2 FTSND—Below MRL2023-10-24
4:2 FTSND—Below MRL2023-10-24
PFOSND4Below MRL2023-10-24
lithiumND—Below MRL2023-09-18
PFHpAND—Below MRL2023-10-24
6:2 FTSND—Below MRL2023-10-24
PFHxSND10Below MRL2023-10-24
PFNAND10Below MRL2023-10-24
PFOAND4Below MRL2023-10-24
PFDAND—Below MRL2023-10-24
PFHxAND—Below MRL2023-10-24
PFUnAND—Below MRL2023-10-24
11Cl-PF3OUdSND—Below MRL2023-10-24
9Cl-PF3ONSND—Below MRL2023-10-24
PFDoAND—Below MRL2023-10-24
PFBAND—Below MRL2023-10-24
ADONAND—Below MRL2023-10-24
HFPO-DAND10Below MRL2023-10-24
PFOAND4Below MRL2023-12-18
8:2 FTSND—Below MRL2023-12-18
PFMPAND—Below MRL2023-12-18
PFMBAND—Below MRL2023-12-18
PFEESAND—Below MRL2023-12-18
PFUnAND—Below MRL2023-12-18
PFOSND4Below MRL2023-12-18
4:2 FTSND—Below MRL2023-12-18
PFDAND—Below MRL2023-12-18
PFPeAND—Below MRL2023-12-18
PFHpSND—Below MRL2023-12-18
6:2 FTSND—Below MRL2023-12-18
PFBAND—Below MRL2023-12-18
HFPO-DAND10Below MRL2023-12-18
ADONAND—Below MRL2023-12-18
9Cl-PF3ONSND—Below MRL2023-12-18
11Cl-PF3OUdSND—Below MRL2023-12-18
PFDoAND—Below MRL2023-12-18
PFHxSND10Below MRL2023-12-18
PFHpAND—Below MRL2023-12-18
PFBSND—Below MRL2023-12-18
PFPeSND—Below MRL2023-12-18
PFNAND10Below MRL2023-12-18
PFHxAND—Below MRL2023-12-18
lithiumND—Below MRL2023-12-18
PFTrDAND—Below MRL2023-12-18
NEtFOSAAND—Below MRL2023-12-18
NMeFOSAAND—Below MRL2023-12-18
NFDHAND—Below MRL2023-12-18
PFTAND—Below MRL2023-12-18

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