PFAS Comply

ALAMEDA COUNTY WATER DISTRICT

PWSID: CA0110001 · FREMONT, CA · Serving 344,000 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
2024-07-23
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHxAND—Below MRL2024-02-05
PFPeSND—Below MRL2024-02-05
NFDHAND—Below MRL2024-02-05
PFEESAND—Below MRL2024-02-05
PFMBAND—Below MRL2024-02-05
PFPeAND—Below MRL2024-02-05
PFMPAND—Below MRL2024-02-05
8:2 FTSND—Below MRL2024-02-05
4:2 FTSND—Below MRL2024-02-05
6:2 FTSND—Below MRL2024-02-05
PFBAND—Below MRL2024-02-05
HFPO-DAND10Below MRL2024-02-05
ADONAND—Below MRL2024-02-05
PFHpSND—Below MRL2024-02-05
11Cl-PF3OUdSND—Below MRL2024-02-05
PFUnAND—Below MRL2024-02-05
PFDAND—Below MRL2024-02-05
PFOAND4Below MRL2024-02-05
PFOSND4Below MRL2024-02-05
PFNAND10Below MRL2024-02-05
PFHxSND10Below MRL2024-02-05
PFHpAND—Below MRL2024-02-05
PFBSND—Below MRL2024-02-05
NMeFOSAAND—Below MRL2024-01-16
NEtFOSAAND—Below MRL2024-01-16
PFTrDAND—Below MRL2024-01-16
PFTAND—Below MRL2024-01-16
lithiumND—Below MRL2024-01-17
9Cl-PF3ONSND—Below MRL2024-02-05
PFDoAND—Below MRL2024-02-05
PFPeAND—Below MRL2024-04-16
11Cl-PF3OUdSND—Below MRL2024-04-16
9Cl-PF3ONSND—Below MRL2024-04-16
ADONAND—Below MRL2024-04-16
lithiumND—Below MRL2024-04-16
PFBAND—Below MRL2024-04-16
4:2 FTSND—Below MRL2024-04-16
PFUnAND—Below MRL2024-04-16
PFMPAND—Below MRL2024-04-16
HFPO-DAND10Below MRL2024-04-16
PFMBAND—Below MRL2024-04-16
PFEESAND—Below MRL2024-04-16
NFDHAND—Below MRL2024-04-16
PFPeSND—Below MRL2024-04-16
PFHpSND—Below MRL2024-04-16
8:2 FTSND—Below MRL2024-04-16
NMeFOSAAND—Below MRL2024-04-16
PFTAND—Below MRL2024-04-16
6:2 FTSND—Below MRL2024-04-16
NEtFOSAAND—Below MRL2024-04-16
PFHxAND—Below MRL2024-04-16
PFBSND—Below MRL2024-04-16
PFHpAND—Below MRL2024-04-16
PFDoAND—Below MRL2024-04-16
PFHxSND10Below MRL2024-04-16
PFNAND10Below MRL2024-04-16
PFOSND4Below MRL2024-04-16
PFOAND4Below MRL2024-04-16
PFDAND—Below MRL2024-04-16
PFTrDAND—Below MRL2024-04-16
11Cl-PF3OUdSND—Below MRL2024-07-23
PFUnAND—Below MRL2024-07-23
PFHxAND—Below MRL2024-07-23
PFDoAND—Below MRL2024-07-23
PFDAND—Below MRL2024-07-23
PFOAND4Below MRL2024-07-23
PFOSND4Below MRL2024-07-23
PFNAND10Below MRL2024-07-23
PFHxSND10Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
9Cl-PF3ONSND—Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
PFTAND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
PFHpAND—Below MRL2024-07-23
PFMBAND—Below MRL2024-07-23
ADONAND—Below MRL2024-07-23
lithiumND—Below MRL2024-07-23
PFPeSND—Below MRL2024-07-23
PFEESAND—Below MRL2024-07-23
PFHpSND—Below MRL2024-07-23
PFPeAND—Below MRL2024-07-23
PFMPAND—Below MRL2024-07-23
8:2 FTSND—Below MRL2024-07-23
4:2 FTSND—Below MRL2024-07-23
6:2 FTSND—Below MRL2024-07-23
PFBAND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
PFMPAND—Below MRL2024-10-22
8:2 FTSND—Below MRL2024-10-22
PFTrDAND—Below MRL2024-10-22
NEtFOSAAND—Below MRL2024-10-22
NMeFOSAAND—Below MRL2024-10-22
lithiumND—Below MRL2024-10-22
PFPeAND—Below MRL2024-10-22
PFMBAND—Below MRL2024-10-22
PFEESAND—Below MRL2024-10-22
4:2 FTSND—Below MRL2024-10-22
PFPeSND—Below MRL2024-10-22
PFNAND10Below MRL2024-10-22
PFHpSND—Below MRL2024-10-22
NFDHAND—Below MRL2024-10-22
PFOAND4Below MRL2024-10-22
9Cl-PF3ONSND—Below MRL2024-10-22
ADONAND—Below MRL2024-10-22
11Cl-PF3OUdSND—Below MRL2024-10-22
PFUnAND—Below MRL2024-10-22
PFHxAND—Below MRL2024-10-22
PFHpAND—Below MRL2024-10-22
PFDAND—Below MRL2024-10-22
6:2 FTSND—Below MRL2024-10-22
PFOSND4Below MRL2024-10-22
PFHxSND10Below MRL2024-10-22
PFTAND—Below MRL2024-10-22
PFBSND—Below MRL2024-10-22
HFPO-DAND10Below MRL2024-10-22
PFBAND—Below MRL2024-10-22
PFDoAND—Below MRL2024-10-22
PFPeAND—Below MRL2024-01-16
lithiumND—Below MRL2024-01-17
ADONAND—Below MRL2024-01-16
4:2 FTSND—Below MRL2024-01-16
PFBSND—Below MRL2024-01-16
PFHpAND—Below MRL2024-01-16
PFHxSND10Below MRL2024-01-16
PFNAND10Below MRL2024-01-16
PFOSND4Below MRL2024-01-16
PFOAND4Below MRL2024-01-16
PFDAND—Below MRL2024-01-16
PFDoAND—Below MRL2024-01-16
PFHxAND—Below MRL2024-01-16
PFUnAND—Below MRL2024-01-16
PFEESAND—Below MRL2024-01-16
9Cl-PF3ONSND—Below MRL2024-01-16
NMeFOSAAND—Below MRL2024-01-16
HFPO-DAND10Below MRL2024-01-16
PFBAND—Below MRL2024-01-16
8:2 FTSND—Below MRL2024-01-16
PFMBAND—Below MRL2024-01-16
NFDHAND—Below MRL2024-01-16
PFPeSND—Below MRL2024-01-16
PFHpSND—Below MRL2024-01-16
6:2 FTSND—Below MRL2024-01-16
PFTAND—Below MRL2024-01-16
PFTrDAND—Below MRL2024-01-16
NEtFOSAAND—Below MRL2024-01-16
11Cl-PF3OUdSND—Below MRL2024-01-16
PFMPAND—Below MRL2024-01-16
lithiumND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
PFBAND—Below MRL2024-07-23
6:2 FTSND—Below MRL2024-07-23
4:2 FTSND—Below MRL2024-07-23
8:2 FTSND—Below MRL2024-07-23
ADONAND—Below MRL2024-07-23
PFPeAND—Below MRL2024-07-23
PFHpSND—Below MRL2024-07-23
PFMBAND—Below MRL2024-07-23
PFEESAND—Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
PFPeSND—Below MRL2024-07-23
9Cl-PF3ONSND—Below MRL2024-07-23
PFUnAND—Below MRL2024-07-23
11Cl-PF3OUdSND—Below MRL2024-07-23
PFMPAND—Below MRL2024-07-23
PFNAND10Below MRL2024-07-23
PFTAND—Below MRL2024-07-23
PFHxSND10Below MRL2024-07-23
PFHpAND—Below MRL2024-07-23
PFOSND4Below MRL2024-07-23
PFOAND4Below MRL2024-07-23
PFDAND—Below MRL2024-07-23
PFDoAND—Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
PFHxAND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
PFOAND4Below MRL2024-01-16
HFPO-DAND10Below MRL2024-01-16
ADONAND—Below MRL2024-01-16
9Cl-PF3ONSND—Below MRL2024-01-16
11Cl-PF3OUdSND—Below MRL2024-01-16
PFUnAND—Below MRL2024-01-16
PFHxAND—Below MRL2024-01-16
PFNAND10Below MRL2024-01-16
PFDAND—Below MRL2024-01-16
PFOSND4Below MRL2024-01-16
PFBAND—Below MRL2024-01-16
lithiumND—Below MRL2024-01-17
PFHpAND—Below MRL2024-01-16
PFHxSND10Below MRL2024-01-16
PFDoAND—Below MRL2024-01-16
NFDHAND—Below MRL2024-01-16
PFTAND—Below MRL2024-01-16
PFTrDAND—Below MRL2024-01-16
NEtFOSAAND—Below MRL2024-01-16
NMeFOSAAND—Below MRL2024-01-16
8:2 FTSND—Below MRL2024-01-16
PFPeSND—Below MRL2024-01-16
PFHpSND—Below MRL2024-01-16
PFEESAND—Below MRL2024-01-16
PFMBAND—Below MRL2024-01-16
PFPeAND—Below MRL2024-01-16
PFMPAND—Below MRL2024-01-16
PFBSND—Below MRL2024-01-16
4:2 FTSND—Below MRL2024-01-16
6:2 FTSND—Below MRL2024-01-16
PFHxSND10Below MRL2024-05-28
PFNAND10Below MRL2024-05-28
PFHpAND—Below MRL2024-05-28
PFBSND—Below MRL2024-05-28
PFOSND4Below MRL2024-05-28
9Cl-PF3ONSND—Below MRL2024-05-28
NFDHAND—Below MRL2024-05-28
PFUnAND—Below MRL2024-05-28
PFOAND4Below MRL2024-05-28
PFTAND—Below MRL2024-05-28
PFHpSND—Below MRL2024-05-28
PFPeSND—Below MRL2024-05-28
NMeFOSAAND—Below MRL2024-05-28
PFTrDAND—Below MRL2024-05-28
PFEESAND—Below MRL2024-05-28
PFMBAND—Below MRL2024-05-28
PFPeAND—Below MRL2024-05-28
PFMPAND—Below MRL2024-05-28
8:2 FTSND—Below MRL2024-05-28
11Cl-PF3OUdSND—Below MRL2024-05-28
6:2 FTSND—Below MRL2024-05-28
PFBAND—Below MRL2024-05-28
HFPO-DAND10Below MRL2024-05-28
lithiumND—Below MRL2024-05-28
PFDAND—Below MRL2024-05-28
ADONAND—Below MRL2024-05-28
PFDoAND—Below MRL2024-05-28
NEtFOSAAND—Below MRL2024-05-28
PFHxAND—Below MRL2024-05-28
4:2 FTSND—Below MRL2024-05-28
PFEESAND—Below MRL2024-07-23
PFMBAND—Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
PFUnAND—Below MRL2024-07-23
PFOAND4Below MRL2024-07-23
PFOSND4Below MRL2024-07-23
PFMPAND—Below MRL2024-07-23
PFHpSND—Below MRL2024-07-23
lithiumND—Below MRL2024-07-23
PFPeSND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
PFNAND10Below MRL2024-07-23
PFHxSND10Below MRL2024-07-23
PFPeAND—Below MRL2024-07-23
11Cl-PF3OUdSND—Below MRL2024-07-23
PFTAND—Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
PFHpAND—Below MRL2024-07-23
PFDoAND—Below MRL2024-07-23
PFHxAND—Below MRL2024-07-23
8:2 FTSND—Below MRL2024-07-23
9Cl-PF3ONSND—Below MRL2024-07-23
ADONAND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
PFBAND—Below MRL2024-07-23
6:2 FTSND—Below MRL2024-07-23
4:2 FTSND—Below MRL2024-07-23
PFDAND—Below MRL2024-07-23
PFTAND—Below MRL2024-10-22
9Cl-PF3ONSND—Below MRL2024-10-22
PFEESAND—Below MRL2024-10-22
6:2 FTSND—Below MRL2024-10-22
ADONAND—Below MRL2024-10-22
11Cl-PF3OUdSND—Below MRL2024-10-22
PFHxAND—Below MRL2024-10-22
PFDoAND—Below MRL2024-10-22
PFDAND—Below MRL2024-10-22
PFHxSND10Below MRL2024-10-22
PFHpAND—Below MRL2024-10-22
PFPeSND—Below MRL2024-10-22
NMeFOSAAND—Below MRL2024-10-22
NFDHAND—Below MRL2024-10-22
HFPO-DAND10Below MRL2024-10-22
4:2 FTSND—Below MRL2024-10-22
PFMBAND—Below MRL2024-10-22
PFMPAND—Below MRL2024-10-22
8:2 FTSND—Below MRL2024-10-22
PFUnAND—Below MRL2024-10-22
PFOAND4Below MRL2024-10-22
PFOSND4Below MRL2024-10-22
PFNAND10Below MRL2024-10-22
PFTrDAND—Below MRL2024-10-22
lithiumND—Below MRL2024-10-22
NEtFOSAAND—Below MRL2024-10-22
PFBSND—Below MRL2024-10-22
PFPeAND—Below MRL2024-10-22
PFBAND—Below MRL2024-10-22
PFHpSND—Below MRL2024-10-22
PFBSND—Below MRL2024-02-05
PFMPAND—Below MRL2024-02-05
PFHpAND—Below MRL2024-02-05
PFPeAND—Below MRL2024-02-05
PFMBAND—Below MRL2024-02-05
PFEESAND—Below MRL2024-02-05
8:2 FTSND—Below MRL2024-02-05
NFDHAND—Below MRL2024-02-05
4:2 FTSND—Below MRL2024-02-05
PFPeSND—Below MRL2024-02-05
PFHpSND—Below MRL2024-02-05
PFTAND—Below MRL2024-01-16
PFTrDAND—Below MRL2024-01-16
NEtFOSAAND—Below MRL2024-01-16
NMeFOSAAND—Below MRL2024-01-16
lithiumND—Below MRL2024-01-17
PFHxSND10Below MRL2024-02-05
PFUnAND—Below MRL2024-02-05
6:2 FTSND—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
11Cl-PF3OUdSND—Below MRL2024-02-05
PFOAND4Below MRL2024-02-05
PFDAND—Below MRL2024-02-05
PFOSND4Below MRL2024-02-05
PFNAND10Below MRL2024-02-05
PFHxAND—Below MRL2024-02-05
PFDoAND—Below MRL2024-02-05
PFPeSND—Below MRL2024-04-16
PFHpAND—Below MRL2024-04-16
NMeFOSAAND—Below MRL2024-04-16
PFTAND—Below MRL2024-04-16
PFTrDAND—Below MRL2024-04-16
NEtFOSAAND—Below MRL2024-04-16
PFPeAND—Below MRL2024-04-16
9Cl-PF3ONSND—Below MRL2024-04-16
lithiumND—Below MRL2024-04-16
8:2 FTSND—Below MRL2024-04-16
PFMPAND—Below MRL2024-04-16
PFBSND—Below MRL2024-04-16
PFHxSND10Below MRL2024-04-16
PFDoAND—Below MRL2024-04-16
PFDAND—Below MRL2024-04-16
11Cl-PF3OUdSND—Below MRL2024-04-16
PFUnAND—Below MRL2024-04-16
ADONAND—Below MRL2024-04-16
PFNAND10Below MRL2024-04-16
PFOAND4Below MRL2024-04-16
PFHxAND—Below MRL2024-04-16
PFOSND4Below MRL2024-04-16
HFPO-DAND10Below MRL2024-04-16
PFHpSND—Below MRL2024-04-16
NFDHAND—Below MRL2024-04-16
PFEESAND—Below MRL2024-04-16
PFMBAND—Below MRL2024-04-16
4:2 FTSND—Below MRL2024-04-16
6:2 FTSND—Below MRL2024-04-16
PFBAND—Below MRL2024-04-16
PFOAND4Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
PFTAND—Below MRL2024-07-23
lithiumND—Below MRL2024-07-23
PFUnAND—Below MRL2024-07-23
PFNAND10Below MRL2024-07-23
PFHxSND10Below MRL2024-07-23
PFHpAND—Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
ADONAND—Below MRL2024-07-23
4:2 FTSND—Below MRL2024-07-23
11Cl-PF3OUdSND—Below MRL2024-07-23
PFOSND4Below MRL2024-07-23
PFHxAND—Below MRL2024-07-23
PFDAND—Below MRL2024-07-23
6:2 FTSND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
PFHpSND—Below MRL2024-07-23
PFDoAND—Below MRL2024-07-23
9Cl-PF3ONSND—Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
PFPeSND—Below MRL2024-07-23
PFBAND—Below MRL2024-07-23
PFMBAND—Below MRL2024-07-23
PFEESAND—Below MRL2024-07-23
PFPeAND—Below MRL2024-07-23
PFMPAND—Below MRL2024-07-23
8:2 FTSND—Below MRL2024-07-23
lithiumND—Below MRL2024-10-22
9Cl-PF3ONSND—Below MRL2024-10-22
PFUnAND—Below MRL2024-10-22
8:2 FTSND—Below MRL2024-10-22
ADONAND—Below MRL2024-10-22
HFPO-DAND10Below MRL2024-10-22
PFBAND—Below MRL2024-10-22
11Cl-PF3OUdSND—Below MRL2024-10-22
4:2 FTSND—Below MRL2024-10-22
PFTAND—Below MRL2024-10-22
PFTrDAND—Below MRL2024-10-22
NEtFOSAAND—Below MRL2024-10-22
NMeFOSAAND—Below MRL2024-10-22
PFDAND—Below MRL2024-10-22
PFDoAND—Below MRL2024-10-22
PFHxAND—Below MRL2024-10-22
PFMPAND—Below MRL2024-10-22
PFPeAND—Below MRL2024-10-22
6:2 FTSND—Below MRL2024-10-22
PFHpSND—Below MRL2024-10-22
PFEESAND—Below MRL2024-10-22
PFMBAND—Below MRL2024-10-22
PFBSND—Below MRL2024-10-22
PFHpAND—Below MRL2024-10-22
PFHxSND10Below MRL2024-10-22
PFNAND10Below MRL2024-10-22
PFOSND4Below MRL2024-10-22
PFOAND4Below MRL2024-10-22
NFDHAND—Below MRL2024-10-22
PFPeSND—Below MRL2024-10-22

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