PFAS Comply

CITY OF PALO ALTO

PWSID: CA4310009 · PALO ALTO, CA · Serving 67,231 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
2023-09-06
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHpSND—Below MRL2023-10-05
8:2 FTSND—Below MRL2023-10-05
PFMPAND—Below MRL2023-10-05
PFPeAND—Below MRL2023-10-05
PFMBAND—Below MRL2023-10-05
PFEESAND—Below MRL2023-10-05
6:2 FTSND—Below MRL2023-10-05
PFPeSND—Below MRL2023-10-05
PFBAND—Below MRL2023-10-05
lithiumND—Below MRL2023-09-06
PFTAND—Below MRL2023-09-06
PFTrDAND—Below MRL2023-09-06
NEtFOSAAND—Below MRL2023-09-06
NMeFOSAAND—Below MRL2023-09-06
NFDHAND—Below MRL2023-10-05
PFDoAND—Below MRL2023-10-05
PFBSND—Below MRL2023-10-05
PFHpAND—Below MRL2023-10-05
PFHxSND10Below MRL2023-10-05
PFNAND10Below MRL2023-10-05
PFOSND4Below MRL2023-10-05
4:2 FTSND—Below MRL2023-10-05
PFDAND—Below MRL2023-10-05
PFHxAND—Below MRL2023-10-05
PFUnAND—Below MRL2023-10-05
11Cl-PF3OUdSND—Below MRL2023-10-05
9Cl-PF3ONSND—Below MRL2023-10-05
ADONAND—Below MRL2023-10-05
HFPO-DAND10Below MRL2023-10-05
PFOAND4Below MRL2023-10-05
NMeFOSAAND—Below MRL2023-12-06
PFTAND—Below MRL2023-12-06
NEtFOSAAND—Below MRL2023-12-06
PFTrDAND—Below MRL2023-12-06
PFUnAND—Below MRL2023-12-06
PFBSND—Below MRL2023-12-06
PFEESAND—Below MRL2023-12-06
lithiumND—Below MRL2023-12-06
NFDHAND—Below MRL2023-12-06
PFHpAND—Below MRL2023-12-06
PFHxSND10Below MRL2023-12-06
PFNAND10Below MRL2023-12-06
PFOSND4Below MRL2023-12-06
PFOAND4Below MRL2023-12-06
PFDAND—Below MRL2023-12-06
PFHxAND—Below MRL2023-12-06
11Cl-PF3OUdSND—Below MRL2023-12-06
9Cl-PF3ONSND—Below MRL2023-12-06
ADONAND—Below MRL2023-12-06
PFPeAND—Below MRL2023-12-06
PFDoAND—Below MRL2023-12-06
HFPO-DAND10Below MRL2023-12-06
PFHpSND—Below MRL2023-12-06
PFMBAND—Below MRL2023-12-06
PFMPAND—Below MRL2023-12-06
8:2 FTSND—Below MRL2023-12-06
4:2 FTSND—Below MRL2023-12-06
6:2 FTSND—Below MRL2023-12-06
PFBAND—Below MRL2023-12-06
PFPeSND—Below MRL2023-12-06
HFPO-DAND10Below MRL2024-03-06
PFBSND—Below MRL2024-03-06
PFBAND—Below MRL2024-03-06
PFDoAND—Below MRL2024-03-06
ADONAND—Below MRL2024-03-06
11Cl-PF3OUdSND—Below MRL2024-03-06
PFHxAND—Below MRL2024-03-06
PFDAND—Below MRL2024-03-06
PFOAND4Below MRL2024-03-06
PFNAND10Below MRL2024-03-06
9Cl-PF3ONSND—Below MRL2024-03-06
6:2 FTSND—Below MRL2024-03-06
PFOSND4Below MRL2024-03-06
PFHxSND10Below MRL2024-03-06
PFHpAND—Below MRL2024-03-06
NEtFOSAAND—Below MRL2024-03-06
PFUnAND—Below MRL2024-03-06
NMeFOSAAND—Below MRL2024-03-06
4:2 FTSND—Below MRL2024-03-06
PFTrDAND—Below MRL2024-03-06
PFTAND—Below MRL2024-03-06
lithiumND—Below MRL2024-03-06
PFHpSND—Below MRL2024-03-06
PFPeSND—Below MRL2024-03-06
PFEESAND—Below MRL2024-03-06
NFDHAND—Below MRL2024-03-06
8:2 FTSND—Below MRL2024-03-06
PFMPAND—Below MRL2024-03-06
PFPeAND—Below MRL2024-03-06
PFMBAND—Below MRL2024-03-06
PFEESAND—Below MRL2024-06-18
11Cl-PF3OUdSND—Below MRL2024-06-18
9Cl-PF3ONSND—Below MRL2024-06-18
ADONAND—Below MRL2024-06-18
HFPO-DAND10Below MRL2024-06-18
PFBAND—Below MRL2024-06-18
4:2 FTSND—Below MRL2024-06-18
PFMPAND—Below MRL2024-06-18
PFMBAND—Below MRL2024-06-18
6:2 FTSND—Below MRL2024-06-18
NFDHAND—Below MRL2024-06-18
PFPeSND—Below MRL2024-06-18
PFHpSND—Below MRL2024-06-18
PFPeAND—Below MRL2024-06-18
NEtFOSAAND—Below MRL2024-06-18
PFTAND—Below MRL2024-06-18
8:2 FTSND—Below MRL2024-06-18
PFTrDAND—Below MRL2024-06-18
NMeFOSAAND—Below MRL2024-06-18
PFBSND—Below MRL2024-06-18
PFHpAND—Below MRL2024-06-18
PFHxSND10Below MRL2024-06-18
PFNAND10Below MRL2024-06-18
PFOAND4Below MRL2024-06-18
lithiumND—Below MRL2024-06-18
PFDAND—Below MRL2024-06-18
PFDoAND—Below MRL2024-06-18
PFHxAND—Below MRL2024-06-18
PFUnAND—Below MRL2024-06-18
PFOSND4Below MRL2024-06-18

Next steps