PFAS Comply

REDMOND WATER SYSTEM CITY OF

PWSID: WA5371650 · Redmond, WA · Serving 163,335 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
Check claims portal →
Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

Key contaminants vs MCL

PFOS5 ppt(MCL: 4 ppt)

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Detection summary

3
PFAS compounds detected
13000 ppt
Highest single detection
2024-08-14
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFBSND—Below MRL2024-08-14
PFTAND—Below MRL2023-11-06
NEtFOSAAND—Below MRL2023-11-06
PFNAND10Below MRL2024-01-10
NMeFOSAAND—Below MRL2023-11-06
PFDoAND—Below MRL2024-01-10
PFBSND—Below MRL2024-01-10
PFHxSND10Below MRL2024-01-10
PFOSND4Below MRL2024-01-10
PFOAND4Below MRL2024-01-10
PFDAND—Below MRL2024-01-10
PFEESAND—Below MRL2024-01-10
PFPeAND—Below MRL2024-01-10
NFDHAND—Below MRL2024-01-10
PFPeSND—Below MRL2024-01-10
PFHpSND—Below MRL2024-01-10
lithiumND—Below MRL2023-11-06
PFHpAND—Below MRL2024-01-10
PFMBAND—Below MRL2024-01-10
PFHxAND—Below MRL2024-01-10
PFMPAND—Below MRL2024-01-10
8:2 FTSND—Below MRL2024-01-10
11Cl-PF3OUdSND—Below MRL2024-01-10
6:2 FTSND—Below MRL2024-01-10
PFBAND—Below MRL2024-01-10
HFPO-DAND10Below MRL2024-01-10
PFUnAND—Below MRL2024-01-10
ADONAND—Below MRL2024-01-10
9Cl-PF3ONSND—Below MRL2024-01-10
4:2 FTSND—Below MRL2024-01-10
11Cl-PF3OUdSND—Below MRL2024-05-13
9Cl-PF3ONSND—Below MRL2024-05-13
ADONAND—Below MRL2024-05-13
HFPO-DAND10Below MRL2024-05-13
PFBAND—Below MRL2024-05-13
6:2 FTSND—Below MRL2024-05-13
PFMPAND—Below MRL2024-05-13
8:2 FTSND—Below MRL2024-05-13
PFTrDAND—Below MRL2024-05-13
PFUnAND—Below MRL2024-05-13
PFPeAND—Below MRL2024-05-13
4:2 FTSND—Below MRL2024-05-13
PFHxAND—Below MRL2024-05-13
PFDoAND—Below MRL2024-05-13
PFDAND—Below MRL2024-05-13
PFOAND4Below MRL2024-05-13
PFOSND4Below MRL2024-05-13
PFNAND10Below MRL2024-05-13
lithiumND—Below MRL2024-05-13
PFHxSND10Below MRL2024-05-13
PFHpAND—Below MRL2024-05-13
PFBSND—Below MRL2024-05-13
NMeFOSAAND—Below MRL2024-05-13
PFMBAND—Below MRL2024-05-13
NEtFOSAAND—Below MRL2024-05-13
PFEESAND—Below MRL2024-05-13
PFTAND—Below MRL2024-05-13
PFHpSND—Below MRL2024-05-13
PFPeSND—Below MRL2024-05-13
NFDHAND—Below MRL2024-05-13
PFDoAND—Below MRL2024-01-10
PFHxAND—Below MRL2024-01-10
PFUnAND—Below MRL2024-01-10
11Cl-PF3OUdSND—Below MRL2024-01-10
9Cl-PF3ONSND—Below MRL2024-01-10
ADONAND—Below MRL2024-01-10
HFPO-DAND10Below MRL2024-01-10
PFBAND—Below MRL2024-01-10
PFDAND—Below MRL2024-01-10
4:2 FTSND—Below MRL2024-01-10
PFHxSND10Below MRL2024-01-10
8:2 FTSND—Below MRL2024-01-10
PFMPAND—Below MRL2024-01-10
PFEESAND—Below MRL2024-01-10
PFMBAND—Below MRL2024-01-10
6:2 FTSND—Below MRL2024-01-10
NMeFOSAAND—Below MRL2023-11-06
NFDHAND—Below MRL2024-01-10
PFPeSND—Below MRL2024-01-10
PFHpSND—Below MRL2024-01-10
lithiumND—Below MRL2023-11-06
PFTAND—Below MRL2023-11-06
PFTrDAND—Below MRL2023-11-06
PFOSND4Below MRL2024-01-10
NEtFOSAAND—Below MRL2023-11-06
PFOAND4Below MRL2024-01-10
PFBSND—Below MRL2024-01-10
PFHpAND—Below MRL2024-01-10
PFNAND10Below MRL2024-01-10
PFPeAND—Below MRL2024-01-10
PFHpSND—Below MRL2024-05-13
4:2 FTSND—Below MRL2024-05-13
PFNAND10Below MRL2024-05-13
9Cl-PF3ONSND—Below MRL2024-05-13
lithiumND—Below MRL2024-05-13
PFTAND—Below MRL2024-05-13
PFTrDAND—Below MRL2024-05-13
NEtFOSAAND—Below MRL2024-05-13
NMeFOSAAND—Below MRL2024-05-13
PFBSND—Below MRL2024-05-13
PFHpAND—Below MRL2024-05-13
PFDAND—Below MRL2024-05-13
PFMPAND—Below MRL2024-05-13
11Cl-PF3OUdSND—Below MRL2024-05-13
NFDHAND—Below MRL2024-05-13
ADONAND—Below MRL2024-05-13
HFPO-DAND10Below MRL2024-05-13
PFBAND—Below MRL2024-05-13
6:2 FTSND—Below MRL2024-05-13
PFDoAND—Below MRL2024-05-13
8:2 FTSND—Below MRL2024-05-13
PFOSND4Below MRL2024-05-13
PFMBAND—Below MRL2024-05-13
PFEESAND—Below MRL2024-05-13
PFHxAND—Below MRL2024-05-13
PFUnAND—Below MRL2024-05-13
PFPeAND—Below MRL2024-05-13
PFPeSND—Below MRL2024-05-13
PFOAND4Below MRL2024-05-13
PFHxSND10Below MRL2024-05-13
PFHxAND—Below MRL2024-08-14
PFUnAND—Below MRL2024-08-14
11Cl-PF3OUdSND—Below MRL2024-08-14
PFTrDAND—Below MRL2023-11-06
PFHxAND—Below MRL2024-01-10
PFDoAND—Below MRL2024-01-10
PFDAND—Below MRL2024-01-10
PFOAND4Below MRL2024-01-10
PFOSND4Below MRL2024-01-10
PFNAND10Below MRL2024-01-10
PFUnAND—Below MRL2024-01-10
PFHpAND—Below MRL2024-01-10
PFHpSND—Below MRL2024-01-10
NMeFOSAAND—Below MRL2023-11-06
PFTrDAND—Below MRL2023-11-06
PFHxSND10Below MRL2024-01-10
PFTAND—Below MRL2023-11-06
9Cl-PF3ONSND—Below MRL2024-01-10
NEtFOSAAND—Below MRL2023-11-06
PFPeSND—Below MRL2024-01-10
NFDHAND—Below MRL2024-01-10
ADONAND—Below MRL2024-01-10
HFPO-DAND10Below MRL2024-01-10
PFBAND—Below MRL2024-01-10
6:2 FTSND—Below MRL2024-01-10
4:2 FTSND—Below MRL2024-01-10
8:2 FTSND—Below MRL2024-01-10
PFMPAND—Below MRL2024-01-10
PFPeAND—Below MRL2024-01-10
PFMBAND—Below MRL2024-01-10
11Cl-PF3OUdSND—Below MRL2024-01-10
lithiumND—Below MRL2023-11-06
PFEESAND—Below MRL2024-01-10
PFDoAND—Below MRL2024-05-13
NFDHAND—Below MRL2024-05-13
HFPO-DAND10Below MRL2024-05-13
ADONAND—Below MRL2024-05-13
9Cl-PF3ONSND—Below MRL2024-05-13
11Cl-PF3OUdSND—Below MRL2024-05-13
PFUnAND—Below MRL2024-05-13
PFHxAND—Below MRL2024-05-13
PFBAND—Below MRL2024-05-13
PFDAND—Below MRL2024-05-13
PFOAND4Below MRL2024-05-13
PFNAND10Below MRL2024-05-13
PFHxSND10Below MRL2024-05-13
6:2 FTSND—Below MRL2024-05-13
PFHpAND—Below MRL2024-05-13
4:2 FTSND—Below MRL2024-05-13
PFTrDAND—Below MRL2024-05-13
PFEESAND—Below MRL2024-05-13
PFMBAND—Below MRL2024-05-13
PFPeAND—Below MRL2024-05-13
PFMPAND—Below MRL2024-05-13
8:2 FTSND—Below MRL2024-05-13
PFTAND—Below MRL2024-05-13
NEtFOSAAND—Below MRL2024-05-13
NMeFOSAAND—Below MRL2024-05-13
PFPeSND—Below MRL2024-05-13
PFHpSND—Below MRL2024-05-13
lithiumND—Below MRL2024-05-13
PFBSND—Below MRL2024-01-10
PFMBAND—Below MRL2024-01-10
PFEESAND—Below MRL2024-01-10
NFDHAND—Below MRL2024-01-10
NMeFOSAAND—Below MRL2024-01-10
lithiumND—Below MRL2023-11-06
PFHpSND—Below MRL2024-01-10
6:2 FTSND—Below MRL2024-01-10
PFHpAND—Below MRL2024-01-10
PFHxSND10Below MRL2024-01-10
PFNAND10Below MRL2024-01-10
PFOSND4Below MRL2024-01-10
PFOAND4Below MRL2024-01-10
PFDAND—Below MRL2024-01-10
PFPeSND—Below MRL2024-01-10
PFTAND—Below MRL2024-01-10
11Cl-PF3OUdSND—Below MRL2024-01-10
PFUnAND—Below MRL2024-01-10
PFHxAND—Below MRL2024-01-10
9Cl-PF3ONSND—Below MRL2024-01-10
PFTrDAND—Below MRL2024-01-10
PFBAND—Below MRL2024-01-10
PFPeAND—Below MRL2024-01-10
PFDoAND—Below MRL2024-01-10
HFPO-DAND10Below MRL2024-01-10
PFMPAND—Below MRL2024-01-10
NEtFOSAAND—Below MRL2024-01-10
ADONAND—Below MRL2024-01-10
8:2 FTSND—Below MRL2024-01-10
4:2 FTSND—Below MRL2024-01-10
PFDAND—Below MRL2024-02-05
PFBSND—Below MRL2024-02-05
4:2 FTSND—Below MRL2024-02-05
8:2 FTSND—Below MRL2024-02-05
PFMPAND—Below MRL2024-02-05
PFPeAND—Below MRL2024-02-05
PFMBAND—Below MRL2024-02-05
PFEESAND—Below MRL2024-02-05
NFDHAND—Below MRL2024-02-05
6:2 FTSND—Below MRL2024-02-05
PFHpSND—Below MRL2024-02-05
PFUnAND—Below MRL2024-02-05
PFHpAND—Below MRL2024-02-05
PFHxSND10Below MRL2024-02-05
PFTAND—Below MRL2024-02-05
PFOSND4Below MRL2024-02-05
NEtFOSAAND—Below MRL2024-02-05
NMeFOSAAND—Below MRL2024-02-05
lithiumND—Below MRL2024-02-05
PFPeSND—Below MRL2024-02-05
PFDoAND—Below MRL2024-02-05
PFBAND—Below MRL2024-02-05
HFPO-DAND10Below MRL2024-02-05
ADONAND—Below MRL2024-02-05
9Cl-PF3ONSND—Below MRL2024-02-05
PFHxAND—Below MRL2024-02-05
PFOAND4Below MRL2024-02-05
PFTrDAND—Below MRL2024-02-05
PFNAND10Below MRL2024-02-05
11Cl-PF3OUdSND—Below MRL2024-02-05
PFMBAND—Below MRL2024-05-13
PFDAND—Below MRL2024-05-13
PFDoAND—Below MRL2024-05-13
PFUnAND—Below MRL2024-05-13
PFTrDAND—Below MRL2024-05-13
PFHpSND—Below MRL2024-05-13
PFPeSND—Below MRL2024-05-13
PFOAND4Below MRL2024-05-13
NEtFOSAAND—Below MRL2024-05-13
PFHxAND—Below MRL2024-05-13
PFEESAND—Below MRL2024-05-13
PFTAND—Below MRL2024-05-13
NMeFOSAAND—Below MRL2024-05-13
PFPeAND—Below MRL2024-05-13
11Cl-PF3OUdSND—Below MRL2024-05-13
PFMPAND—Below MRL2024-05-13
lithiumND—Below MRL2024-05-13
PFOSND4Below MRL2024-05-13
9Cl-PF3ONSND—Below MRL2024-05-13
ADONAND—Below MRL2024-05-13
HFPO-DAND10Below MRL2024-05-13
PFBAND—Below MRL2024-05-13
6:2 FTSND—Below MRL2024-05-13
8:2 FTSND—Below MRL2024-05-13
NFDHAND—Below MRL2024-05-13
PFBSND—Below MRL2024-05-13
PFHpAND—Below MRL2024-05-13
PFHxSND10Below MRL2024-05-13
PFNAND10Below MRL2024-05-13
4:2 FTSND—Below MRL2024-05-13
PFEESAND—Below MRL2024-08-14
HFPO-DAND10Below MRL2024-08-14
PFBAND—Below MRL2024-08-14
6:2 FTSND—Below MRL2024-08-14
8:2 FTSND—Below MRL2024-08-14
PFMPAND—Below MRL2024-08-14
NMeFOSAAND—Below MRL2024-08-14
NEtFOSAAND—Below MRL2024-08-14
PFTrDAND—Below MRL2024-08-14
PFTAND—Below MRL2024-08-14
PFHpSND—Below MRL2024-08-14
PFMBAND—Below MRL2024-08-14
NFDHAND—Below MRL2024-08-14
PFPeSND—Below MRL2024-08-14
PFOSND4Below MRL2024-08-14
ADONAND—Below MRL2024-08-14
PFPeAND—Below MRL2024-08-14
PFHxSND10Below MRL2024-08-14
9Cl-PF3ONSND—Below MRL2024-08-14
PFDAND—Below MRL2024-08-14
PFHpAND—Below MRL2024-08-14
4:2 FTSND—Below MRL2024-08-14
PFNAND10Below MRL2024-08-14
PFOAND4Below MRL2024-08-14
PFDoAND—Below MRL2024-08-14
lithium13000—2024-08-14
PFOS54Exceeds2024-05-13
PFBS5—2024-05-13
PFBS3.4—2024-01-10

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