PFAS Comply

NE SAMMAMISH SEWER & WATER DISTRICT

PWSID: WA5375265 · Sammamish, WA · Serving 8,516 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
2025-09-22
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFPeAND—Below MRL2025-03-17
9Cl-PF3ONSND—Below MRL2025-03-17
ADONAND—Below MRL2025-03-17
NEtFOSAAND—Below MRL2025-03-17
HFPO-DAND10Below MRL2025-03-17
NFDHAND—Below MRL2025-03-17
6:2 FTSND—Below MRL2025-03-17
4:2 FTSND—Below MRL2025-03-17
PFEESAND—Below MRL2025-03-17
PFMPAND—Below MRL2025-03-17
PFMBAND—Below MRL2025-03-17
PFPeSND—Below MRL2025-03-17
11Cl-PF3OUdSND—Below MRL2025-03-17
8:2 FTSND—Below MRL2025-03-17
PFHxSND10Below MRL2025-03-17
PFBAND—Below MRL2025-03-17
PFHpSND—Below MRL2025-03-17
lithiumND—Below MRL2025-03-17
PFTrDAND—Below MRL2025-03-17
NMeFOSAAND—Below MRL2025-03-17
PFTAND—Below MRL2025-03-17
PFHpAND—Below MRL2025-03-17
PFUnAND—Below MRL2025-03-17
PFNAND10Below MRL2025-03-17
PFOSND4Below MRL2025-03-17
PFOAND4Below MRL2025-03-17
PFDAND—Below MRL2025-03-17
PFDoAND—Below MRL2025-03-17
PFHxAND—Below MRL2025-03-17
PFBSND—Below MRL2025-03-17
PFPeSND—Below MRL2025-09-22
PFHxAND—Below MRL2025-09-22
PFDoAND—Below MRL2025-09-22
PFDAND—Below MRL2025-09-22
PFOAND4Below MRL2025-09-22
PFOSND4Below MRL2025-09-22
PFNAND10Below MRL2025-09-22
PFUnAND—Below MRL2025-09-22
PFHpSND—Below MRL2025-09-22
NMeFOSAAND—Below MRL2025-09-22
NFDHAND—Below MRL2025-09-22
PFEESAND—Below MRL2025-09-22
PFMBAND—Below MRL2025-09-22
PFPeAND—Below MRL2025-09-22
PFHpAND—Below MRL2025-09-22
PFBSND—Below MRL2025-09-22
PFHxSND10Below MRL2025-09-22
PFTAND—Below MRL2025-09-22
11Cl-PF3OUdSND—Below MRL2025-09-22
PFTrDAND—Below MRL2025-09-22
NEtFOSAAND—Below MRL2025-09-22
lithiumND—Below MRL2025-09-22
PFMPAND—Below MRL2025-09-22
8:2 FTSND—Below MRL2025-09-22
6:2 FTSND—Below MRL2025-09-22
PFBAND—Below MRL2025-09-22
HFPO-DAND10Below MRL2025-09-22
ADONAND—Below MRL2025-09-22
4:2 FTSND—Below MRL2025-09-22
9Cl-PF3ONSND—Below MRL2025-09-22
PFTAND—Below MRL2025-03-17
PFPeAND—Below MRL2025-03-17
PFTrDAND—Below MRL2025-03-17
NMeFOSAAND—Below MRL2025-03-17
lithiumND—Below MRL2025-03-17
NEtFOSAAND—Below MRL2025-03-17
PFHpSND—Below MRL2025-03-17
PFPeSND—Below MRL2025-03-17
NFDHAND—Below MRL2025-03-17
PFMBAND—Below MRL2025-03-17
PFMPAND—Below MRL2025-03-17
8:2 FTSND—Below MRL2025-03-17
4:2 FTSND—Below MRL2025-03-17
6:2 FTSND—Below MRL2025-03-17
PFBAND—Below MRL2025-03-17
PFDAND—Below MRL2025-03-17
PFHpAND—Below MRL2025-03-17
PFEESAND—Below MRL2025-03-17
HFPO-DAND10Below MRL2025-03-17
PFNAND10Below MRL2025-03-17
PFBSND—Below MRL2025-03-17
PFOAND4Below MRL2025-03-17
PFHxSND10Below MRL2025-03-17
PFDoAND—Below MRL2025-03-17
PFHxAND—Below MRL2025-03-17
PFUnAND—Below MRL2025-03-17
11Cl-PF3OUdSND—Below MRL2025-03-17
9Cl-PF3ONSND—Below MRL2025-03-17
ADONAND—Below MRL2025-03-17
PFOSND4Below MRL2025-03-17
PFOSND4Below MRL2025-09-22
PFNAND10Below MRL2025-09-22
PFOAND4Below MRL2025-09-22
PFDoAND—Below MRL2025-09-22
PFUnAND—Below MRL2025-09-22
11Cl-PF3OUdSND—Below MRL2025-09-22
lithiumND—Below MRL2025-09-22
PFTAND—Below MRL2025-09-22
PFTrDAND—Below MRL2025-09-22
NMeFOSAAND—Below MRL2025-09-22
PFHxSND10Below MRL2025-09-22
PFDAND—Below MRL2025-09-22
NEtFOSAAND—Below MRL2025-09-22
8:2 FTSND—Below MRL2025-09-22
PFHxAND—Below MRL2025-09-22
PFHpAND—Below MRL2025-09-22
ADONAND—Below MRL2025-09-22
9Cl-PF3ONSND—Below MRL2025-09-22
HFPO-DAND10Below MRL2025-09-22
PFBAND—Below MRL2025-09-22
4:2 FTSND—Below MRL2025-09-22
PFMPAND—Below MRL2025-09-22
PFBSND—Below MRL2025-09-22
PFMBAND—Below MRL2025-09-22
PFHpSND—Below MRL2025-09-22
PFEESAND—Below MRL2025-09-22
PFPeSND—Below MRL2025-09-22
NFDHAND—Below MRL2025-09-22
PFPeAND—Below MRL2025-09-22
6:2 FTSND—Below MRL2025-09-22

Next steps