PFAS Comply

ISSAQUAH WATER SYSTEM

PWSID: WA5336350 · ISSAQUAH, WA · Serving 43,584 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
2024-09-04
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFMPAND—Below MRL2024-10-23
PFUnAND—Below MRL2024-10-23
11Cl-PF3OUdSND—Below MRL2024-10-23
9Cl-PF3ONSND—Below MRL2024-10-23
ADONAND—Below MRL2024-10-23
HFPO-DAND10Below MRL2024-10-23
PFBAND—Below MRL2024-10-23
6:2 FTSND—Below MRL2024-10-23
8:2 FTSND—Below MRL2024-10-23
PFOAND4Below MRL2024-10-23
PFPeAND—Below MRL2024-10-23
PFMBAND—Below MRL2024-10-23
NFDHAND—Below MRL2024-10-23
4:2 FTSND—Below MRL2024-10-23
PFHxAND—Below MRL2024-10-23
PFDAND—Below MRL2024-10-23
PFHpSND—Below MRL2024-10-23
PFOSND4Below MRL2024-10-23
PFNAND10Below MRL2024-10-23
PFHxSND10Below MRL2024-10-23
PFPeSND—Below MRL2024-10-23
PFHpAND—Below MRL2024-10-23
PFBSND—Below MRL2024-10-23
NMeFOSAAND—Below MRL2024-09-04
NEtFOSAAND—Below MRL2024-09-04
PFTrDAND—Below MRL2024-09-04
PFTAND—Below MRL2024-09-04
lithiumND—Below MRL2024-09-04
PFDoAND—Below MRL2024-10-23
PFEESAND—Below MRL2024-10-23
NEtFOSAAND—Below MRL2025-06-12
PFTrDAND—Below MRL2025-06-12
PFTAND—Below MRL2025-06-12
PFHpSND—Below MRL2025-06-12
PFPeSND—Below MRL2025-06-12
NFDHAND—Below MRL2025-06-12
PFEESAND—Below MRL2025-06-12
PFMBAND—Below MRL2025-06-12
PFPeAND—Below MRL2025-06-12
PFMPAND—Below MRL2025-06-12
8:2 FTSND—Below MRL2025-06-12
4:2 FTSND—Below MRL2025-06-12
NMeFOSAAND—Below MRL2025-06-12
PFBAND—Below MRL2025-06-12
6:2 FTSND—Below MRL2025-06-12
ADONAND—Below MRL2025-06-12
9Cl-PF3ONSND—Below MRL2025-06-12
11Cl-PF3OUdSND—Below MRL2025-06-12
PFUnAND—Below MRL2025-06-12
PFHxAND—Below MRL2025-06-12
PFDoAND—Below MRL2025-06-12
PFDAND—Below MRL2025-06-12
PFOAND4Below MRL2025-06-12
PFOSND4Below MRL2025-06-12
PFNAND10Below MRL2025-06-12
PFHxSND10Below MRL2025-06-12
PFHpAND—Below MRL2025-06-12
PFBSND—Below MRL2025-06-12
lithiumND—Below MRL2025-06-12
HFPO-DAND10Below MRL2025-06-12
4:2 FTSND—Below MRL2024-09-04
PFUnAND—Below MRL2024-09-04
lithiumND—Below MRL2024-09-04
PFEESAND—Below MRL2024-09-04
PFHxAND—Below MRL2024-09-04
PFHpSND—Below MRL2024-09-04
PFDoAND—Below MRL2024-09-04
PFPeSND—Below MRL2024-09-04
NFDHAND—Below MRL2024-09-04
PFTAND—Below MRL2024-09-04
PFMBAND—Below MRL2024-09-04
PFPeAND—Below MRL2024-09-04
PFMPAND—Below MRL2024-09-04
8:2 FTSND—Below MRL2024-09-04
6:2 FTSND—Below MRL2024-09-04
PFBSND—Below MRL2024-09-04
PFTrDAND—Below MRL2024-09-04
NEtFOSAAND—Below MRL2024-09-04
NMeFOSAAND—Below MRL2024-09-04
PFBAND—Below MRL2024-09-04
HFPO-DAND10Below MRL2024-09-04
11Cl-PF3OUdSND—Below MRL2024-09-04
9Cl-PF3ONSND—Below MRL2024-09-04
PFHpAND—Below MRL2024-09-04
PFHxSND10Below MRL2024-09-04
PFNAND10Below MRL2024-09-04
PFOSND4Below MRL2024-09-04
PFOAND4Below MRL2024-09-04
PFDAND—Below MRL2024-09-04
ADONAND—Below MRL2024-09-04
PFOAND4Below MRL2025-06-12
PFBSND—Below MRL2025-06-12
PFHxSND10Below MRL2025-06-12
PFOSND4Below MRL2025-06-12
PFMPAND—Below MRL2025-06-12
PFPeAND—Below MRL2025-06-12
PFMBAND—Below MRL2025-06-12
PFEESAND—Below MRL2025-06-12
NFDHAND—Below MRL2025-06-12
PFPeSND—Below MRL2025-06-12
PFNAND10Below MRL2025-06-12
PFTrDAND—Below MRL2025-06-12
PFHpAND—Below MRL2025-06-12
8:2 FTSND—Below MRL2025-06-12
PFTAND—Below MRL2025-06-12
NEtFOSAAND—Below MRL2025-06-12
NMeFOSAAND—Below MRL2025-06-12
PFHpSND—Below MRL2025-06-12
lithiumND—Below MRL2025-06-12
PFDAND—Below MRL2025-06-12
PFDoAND—Below MRL2025-06-12
PFUnAND—Below MRL2025-06-12
11Cl-PF3OUdSND—Below MRL2025-06-12
9Cl-PF3ONSND—Below MRL2025-06-12
ADONAND—Below MRL2025-06-12
HFPO-DAND10Below MRL2025-06-12
PFBAND—Below MRL2025-06-12
PFHxAND—Below MRL2025-06-12
4:2 FTSND—Below MRL2025-06-12
6:2 FTSND—Below MRL2025-06-12
PFBAND—Below MRL2024-09-04
PFMBAND—Below MRL2024-09-04
PFPeAND—Below MRL2024-09-04
PFMPAND—Below MRL2024-09-04
PFUnAND—Below MRL2024-09-04
PFHxAND—Below MRL2024-09-04
PFOAND4Below MRL2024-09-04
PFOSND4Below MRL2024-09-04
ADONAND—Below MRL2024-09-04
PFHxSND10Below MRL2024-09-04
PFHpAND—Below MRL2024-09-04
HFPO-DAND10Below MRL2024-09-04
PFPeSND—Below MRL2024-09-04
lithiumND—Below MRL2024-09-04
PFNAND10Below MRL2024-09-04
PFHpSND—Below MRL2024-09-04
6:2 FTSND—Below MRL2024-09-04
4:2 FTSND—Below MRL2024-09-04
8:2 FTSND—Below MRL2024-09-04
PFEESAND—Below MRL2024-09-04
PFDAND—Below MRL2024-09-04
PFBSND—Below MRL2024-09-04
11Cl-PF3OUdSND—Below MRL2024-09-04
NFDHAND—Below MRL2024-09-04
9Cl-PF3ONSND—Below MRL2024-09-04
NMeFOSAAND—Below MRL2024-09-04
NEtFOSAAND—Below MRL2024-09-04
PFTrDAND—Below MRL2024-09-04
PFTAND—Below MRL2024-09-04
PFDoAND—Below MRL2024-09-04
PFBAND—Below MRL2025-03-05
NEtFOSAAND—Below MRL2025-03-05
NMeFOSAAND—Below MRL2025-03-05
PFTAND—Below MRL2025-03-05
PFTrDAND—Below MRL2025-03-05
PFHpSND—Below MRL2025-03-05
4:2 FTSND—Below MRL2025-03-05
PFMPAND—Below MRL2025-03-05
PFPeAND—Below MRL2025-03-05
PFMBAND—Below MRL2025-03-05
PFEESAND—Below MRL2025-03-05
PFPeSND—Below MRL2025-03-05
PFBSND—Below MRL2025-03-05
PFHpAND—Below MRL2025-03-05
PFHxSND10Below MRL2025-03-05
PFNAND10Below MRL2025-03-05
PFOSND4Below MRL2025-03-05
6:2 FTSND—Below MRL2025-03-05
NFDHAND—Below MRL2025-03-05
8:2 FTSND—Below MRL2025-03-05
PFOAND4Below MRL2025-03-05
lithiumND—Below MRL2025-03-05
HFPO-DAND10Below MRL2025-03-05
ADONAND—Below MRL2025-03-05
11Cl-PF3OUdSND—Below MRL2025-03-05
PFUnAND—Below MRL2025-03-05
PFHxAND—Below MRL2025-03-05
PFDoAND—Below MRL2025-03-05
PFDAND—Below MRL2025-03-05
9Cl-PF3ONSND—Below MRL2025-03-05
PFTAND—Below MRL2024-09-04
ADONAND—Below MRL2024-09-10
HFPO-DAND10Below MRL2024-09-10
PFBAND—Below MRL2024-09-10
6:2 FTSND—Below MRL2024-09-10
4:2 FTSND—Below MRL2024-09-10
8:2 FTSND—Below MRL2024-09-10
PFDoAND—Below MRL2024-09-10
NEtFOSAAND—Below MRL2024-09-04
PFUnAND—Below MRL2024-09-10
PFTrDAND—Below MRL2024-09-04
PFPeAND—Below MRL2024-09-10
9Cl-PF3ONSND—Below MRL2024-09-10
PFHxAND—Below MRL2024-09-10
11Cl-PF3OUdSND—Below MRL2024-09-10
PFDAND—Below MRL2024-09-10
PFOAND4Below MRL2024-09-10
PFOSND4Below MRL2024-09-10
PFNAND10Below MRL2024-09-10
PFHxSND10Below MRL2024-09-10
PFHpAND—Below MRL2024-09-10
PFBSND—Below MRL2024-09-10
lithiumND—Below MRL2024-09-04
PFHpSND—Below MRL2024-09-10
PFPeSND—Below MRL2024-09-10
NMeFOSAAND—Below MRL2024-09-04
PFEESAND—Below MRL2024-09-10
PFMBAND—Below MRL2024-09-10
NFDHAND—Below MRL2024-09-10
PFMPAND—Below MRL2024-09-10
PFHxAND—Below MRL2024-12-18
8:2 FTSND—Below MRL2024-12-18
4:2 FTSND—Below MRL2024-12-18
6:2 FTSND—Below MRL2024-12-18
PFBAND—Below MRL2024-12-18
HFPO-DAND10Below MRL2024-12-18
ADONAND—Below MRL2024-12-18
9Cl-PF3ONSND—Below MRL2024-12-18
PFMPAND—Below MRL2024-12-18
PFUnAND—Below MRL2024-12-18
PFDoAND—Below MRL2024-12-18
PFDAND—Below MRL2024-12-18
PFOSND4Below MRL2024-12-18
PFNAND10Below MRL2024-12-18
PFHxSND10Below MRL2024-12-18
PFHpAND—Below MRL2024-12-18
PFBSND—Below MRL2024-12-18
11Cl-PF3OUdSND—Below MRL2024-12-18
NEtFOSAAND—Below MRL2024-12-18
PFPeAND—Below MRL2024-12-18
PFOAND4Below MRL2024-12-18
NMeFOSAAND—Below MRL2024-12-18
lithiumND—Below MRL2024-12-18
PFTrDAND—Below MRL2024-12-18
PFTAND—Below MRL2024-12-18
PFHpSND—Below MRL2024-12-18
PFPeSND—Below MRL2024-12-18
NFDHAND—Below MRL2024-12-18
PFEESAND—Below MRL2024-12-18
PFMBAND—Below MRL2024-12-18
PFHxAND—Below MRL2025-03-05
PFOAND4Below MRL2025-03-05
PFDAND—Below MRL2025-03-05
8:2 FTSND—Below MRL2025-03-05
PFDoAND—Below MRL2025-03-05
PFOSND4Below MRL2025-03-05
PFUnAND—Below MRL2025-03-05
11Cl-PF3OUdSND—Below MRL2025-03-05
9Cl-PF3ONSND—Below MRL2025-03-05
PFNAND10Below MRL2025-03-05
HFPO-DAND10Below MRL2025-03-05
PFEESAND—Below MRL2025-03-05
PFBAND—Below MRL2025-03-05
6:2 FTSND—Below MRL2025-03-05
4:2 FTSND—Below MRL2025-03-05
ADONAND—Below MRL2025-03-05
PFTAND—Below MRL2025-03-05
PFPeAND—Below MRL2025-03-05
PFMPAND—Below MRL2025-03-05
NMeFOSAAND—Below MRL2025-03-05
PFPeSND—Below MRL2025-03-05
PFTrDAND—Below MRL2025-03-05
PFHxSND10Below MRL2025-03-05
lithiumND—Below MRL2025-03-05
PFMBAND—Below MRL2025-03-05
NFDHAND—Below MRL2025-03-05
PFHpSND—Below MRL2025-03-05
PFBSND—Below MRL2025-03-05
PFHpAND—Below MRL2025-03-05
NEtFOSAAND—Below MRL2025-03-05
PFPeSND—Below MRL2025-06-12
9Cl-PF3ONSND—Below MRL2025-06-12
PFHxSND10Below MRL2025-06-12
NMeFOSAAND—Below MRL2025-06-12
NEtFOSAAND—Below MRL2025-06-12
PFTrDAND—Below MRL2025-06-12
PFTAND—Below MRL2025-06-12
PFPeAND—Below MRL2025-06-12
HFPO-DAND10Below MRL2025-06-12
PFHpAND—Below MRL2025-06-12
NFDHAND—Below MRL2025-06-12
PFNAND10Below MRL2025-06-12
PFOSND4Below MRL2025-06-12
PFOAND4Below MRL2025-06-12
PFDAND—Below MRL2025-06-12
PFDoAND—Below MRL2025-06-12
8:2 FTSND—Below MRL2025-06-12
PFBSND—Below MRL2025-06-12
PFHxAND—Below MRL2025-06-12
PFEESAND—Below MRL2025-06-12
PFMPAND—Below MRL2025-06-12
lithiumND—Below MRL2025-06-12
4:2 FTSND—Below MRL2025-06-12
6:2 FTSND—Below MRL2025-06-12
PFBAND—Below MRL2025-06-12
PFHpSND—Below MRL2025-06-12
ADONAND—Below MRL2025-06-12
11Cl-PF3OUdSND—Below MRL2025-06-12
PFUnAND—Below MRL2025-06-12
PFMBAND—Below MRL2025-06-12

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