PFAS Comply

Fort Defiance-Window Rock-St Michaels NTUA

PWSID: NN0403000 · Ft Defiance, AZ · Serving 12,869 people

Type: CWSOwner: NSource: GW
Settlement eligible
May qualify for 3M/DuPont settlement funds
Check claims portal →
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

1
PFAS compounds detected
138000 ppt
Highest single detection
2025-08-18
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFTAND—Below MRL2025-01-27
ADONAND—Below MRL2024-07-22
HFPO-DAND10Below MRL2024-07-22
PFBAND—Below MRL2024-07-22
6:2 FTSND—Below MRL2024-07-22
8:2 FTSND—Below MRL2024-07-22
PFOAND4Below MRL2024-07-22
PFEESAND—Below MRL2024-07-22
NFDHAND—Below MRL2024-07-22
PFPeSND—Below MRL2024-07-22
PFHpSND—Below MRL2024-07-22
PFMPAND—Below MRL2024-07-22
PFPeAND—Below MRL2024-07-22
4:2 FTSND—Below MRL2024-07-22
11Cl-PF3OUdSND—Below MRL2024-07-22
PFUnAND—Below MRL2024-07-22
PFHpAND—Below MRL2024-07-22
PFHxAND—Below MRL2024-07-22
PFDoAND—Below MRL2024-07-22
PFDAND—Below MRL2024-07-22
PFOSND4Below MRL2024-07-22
PFHxSND10Below MRL2024-07-22
PFBSND—Below MRL2024-07-22
lithiumND—Below MRL2024-07-22
NMeFOSAAND—Below MRL2024-07-22
NEtFOSAAND—Below MRL2024-07-22
PFTrDAND—Below MRL2024-07-22
PFTAND—Below MRL2024-07-22
9Cl-PF3ONSND—Below MRL2024-07-22
PFNAND10Below MRL2024-07-22
PFMPAND—Below MRL2025-01-27
PFOSND4Below MRL2025-01-27
PFDAND—Below MRL2025-01-27
PFHxAND—Below MRL2025-01-27
PFUnAND—Below MRL2025-01-27
11Cl-PF3OUdSND—Below MRL2025-01-27
9Cl-PF3ONSND—Below MRL2025-01-27
ADONAND—Below MRL2025-01-27
lithiumND—Below MRL2025-01-27
HFPO-DAND10Below MRL2025-01-27
PFBAND—Below MRL2025-01-27
6:2 FTSND—Below MRL2025-01-27
PFNAND10Below MRL2025-01-27
8:2 FTSND—Below MRL2025-01-27
PFOAND4Below MRL2025-01-27
PFPeAND—Below MRL2025-01-27
PFMBAND—Below MRL2025-01-27
PFEESAND—Below MRL2025-01-27
NFDHAND—Below MRL2025-01-27
PFPeSND—Below MRL2025-01-27
PFHpSND—Below MRL2025-01-27
NMeFOSAAND—Below MRL2025-01-27
NEtFOSAAND—Below MRL2025-01-27
PFTrDAND—Below MRL2025-01-27
PFTAND—Below MRL2025-01-27
4:2 FTSND—Below MRL2025-01-27
PFHpAND—Below MRL2025-01-27
PFBSND—Below MRL2025-01-27
PFHxSND10Below MRL2025-01-27
PFDoAND—Below MRL2025-01-27
PFDoAND—Below MRL2024-07-23
11Cl-PF3OUdSND—Below MRL2024-07-23
PFUnAND—Below MRL2024-07-23
PFTAND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
PFHxAND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
PFDAND—Below MRL2024-07-23
PFOAND4Below MRL2024-07-23
PFOSND4Below MRL2024-07-23
PFNAND10Below MRL2024-07-23
PFHxSND10Below MRL2024-07-23
PFOSND4Below MRL2025-01-27
NEtFOSAAND—Below MRL2025-01-27
PFBAND—Below MRL2025-01-27
PFTrDAND—Below MRL2025-01-27
PFPeSND—Below MRL2025-01-27
NFDHAND—Below MRL2025-01-27
PFEESAND—Below MRL2025-01-27
PFMBAND—Below MRL2025-01-27
PFPeAND—Below MRL2025-01-27
PFMPAND—Below MRL2025-01-27
4:2 FTSND—Below MRL2025-01-27
PFMBAND—Below MRL2024-07-22
PFEESAND—Below MRL2024-07-23
PFHpAND—Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
PFMBAND—Below MRL2024-07-23
PFHpSND—Below MRL2024-07-23
9Cl-PF3ONSND—Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
ADONAND—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
PFPeSND—Below MRL2024-07-23
PFEESAND—Below MRL2025-01-15
PFBAND—Below MRL2025-01-15
PFBSND—Below MRL2025-01-15
PFHpAND—Below MRL2025-01-15
PFHxSND10Below MRL2025-01-15
PFNAND10Below MRL2025-01-15
PFOSND4Below MRL2025-01-15
PFOAND4Below MRL2025-01-15
PFDAND—Below MRL2025-01-15
PFDoAND—Below MRL2025-01-15
PFHxAND—Below MRL2025-01-15
PFUnAND—Below MRL2025-01-15
11Cl-PF3OUdSND—Below MRL2025-01-15
9Cl-PF3ONSND—Below MRL2025-01-15
PFPeSND—Below MRL2025-01-15
HFPO-DAND10Below MRL2025-01-15
NMeFOSAAND—Below MRL2025-01-15
6:2 FTSND—Below MRL2025-01-15
4:2 FTSND—Below MRL2025-01-15
8:2 FTSND—Below MRL2025-01-15
PFMPAND—Below MRL2025-01-15
PFPeAND—Below MRL2025-01-15
PFMBAND—Below MRL2025-01-15
NFDHAND—Below MRL2025-01-15
PFHpSND—Below MRL2025-01-15
PFTAND—Below MRL2025-01-15
PFTrDAND—Below MRL2025-01-15
NEtFOSAAND—Below MRL2025-01-15
ADONAND—Below MRL2025-01-15
PFHpAND—Below MRL2024-07-23
11Cl-PF3OUdSND—Below MRL2024-07-23
PFHpSND—Below MRL2024-07-23
PFPeSND—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
4:2 FTSND—Below MRL2024-07-23
6:2 FTSND—Below MRL2024-07-23
PFBAND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
9Cl-PF3ONSND—Below MRL2024-07-23
PFTAND—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
PFMBAND—Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
ADONAND—Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
PFPeSND—Below MRL2025-01-15
6:2 FTSND—Below MRL2025-01-15
4:2 FTSND—Below MRL2025-01-15
8:2 FTSND—Below MRL2025-01-15
PFMPAND—Below MRL2025-01-15
PFBAND—Below MRL2025-01-15
NFDHAND—Below MRL2025-01-15
PFPeAND—Below MRL2025-01-15
PFHpSND—Below MRL2025-01-15
PFTAND—Below MRL2025-01-15
PFTrDAND—Below MRL2025-01-15
NEtFOSAAND—Below MRL2025-01-15
NMeFOSAAND—Below MRL2025-01-15
PFMBAND—Below MRL2025-01-15
PFDAND—Below MRL2025-01-15
PFNAND10Below MRL2025-01-15
HFPO-DAND10Below MRL2025-01-15
PFHxSND10Below MRL2025-01-15
PFHpAND—Below MRL2025-01-15
PFBSND—Below MRL2025-01-15
PFEESAND—Below MRL2025-01-15
PFOAND4Below MRL2025-01-15
PFOSND4Below MRL2025-01-15
PFDoAND—Below MRL2025-01-15
PFHxAND—Below MRL2025-01-15
PFUnAND—Below MRL2025-01-15
11Cl-PF3OUdSND—Below MRL2025-01-15
9Cl-PF3ONSND—Below MRL2025-01-15
ADONAND—Below MRL2025-01-15
9Cl-PF3ONSND—Below MRL2024-07-23
PFDoAND—Below MRL2024-07-23
HFPO-DAND10Below MRL2024-07-23
PFEESAND—Below MRL2024-07-23
PFMBAND—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
ADONAND—Below MRL2024-07-23
11Cl-PF3OUdSND—Below MRL2024-07-23
PFPeSND—Below MRL2024-07-23
PFHxAND—Below MRL2024-07-23
PFHpSND—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
PFHpAND—Below MRL2024-07-23
PFBSND—Below MRL2024-07-23
NMeFOSAAND—Below MRL2024-07-23
NEtFOSAAND—Below MRL2024-07-23
PFTrDAND—Below MRL2024-07-23
PFTAND—Below MRL2024-07-23
PFUnAND—Below MRL2024-07-23
NFDHAND—Below MRL2024-07-23
PFBAND—Below MRL2025-01-15
PFBSND—Below MRL2025-01-15
PFHpAND—Below MRL2025-01-15
PFHxSND10Below MRL2025-01-15
PFNAND10Below MRL2025-01-15
PFOSND4Below MRL2025-01-15
PFOAND4Below MRL2025-01-15
PFDAND—Below MRL2025-01-15
PFDoAND—Below MRL2025-01-15
PFHxAND—Below MRL2025-01-15
PFUnAND—Below MRL2025-01-15
11Cl-PF3OUdSND—Below MRL2025-01-15
9Cl-PF3ONSND—Below MRL2025-01-15
NMeFOSAAND—Below MRL2025-01-15
NEtFOSAAND—Below MRL2025-01-15
6:2 FTSND—Below MRL2025-01-15
4:2 FTSND—Below MRL2025-01-15
8:2 FTSND—Below MRL2025-01-15
PFMPAND—Below MRL2025-01-15
PFPeAND—Below MRL2025-01-15
PFMBAND—Below MRL2025-01-15
PFEESAND—Below MRL2025-01-15
NFDHAND—Below MRL2025-01-15
PFPeSND—Below MRL2025-01-15
PFHpSND—Below MRL2025-01-15
PFTrDAND—Below MRL2025-01-15
PFTAND—Below MRL2025-01-15
ADONAND—Below MRL2025-01-15
HFPO-DAND10Below MRL2025-01-15
PFBAND—Below MRL2024-07-22
NMeFOSAAND—Below MRL2024-07-22
NEtFOSAAND—Below MRL2024-07-22
PFTrDAND—Below MRL2024-07-22
PFTAND—Below MRL2024-07-22
PFHpSND—Below MRL2024-07-22
PFPeSND—Below MRL2024-07-22
NFDHAND—Below MRL2024-07-22
PFEESAND—Below MRL2024-07-22
PFMBAND—Below MRL2024-07-22
PFPeAND—Below MRL2024-07-22
PFMPAND—Below MRL2024-07-22
8:2 FTSND—Below MRL2024-07-22
6:2 FTSND—Below MRL2024-07-22
PFDAND—Below MRL2024-07-22
HFPO-DAND10Below MRL2024-07-22
ADONAND—Below MRL2024-07-22
9Cl-PF3ONSND—Below MRL2024-07-22
11Cl-PF3OUdSND—Below MRL2024-07-22
PFUnAND—Below MRL2024-07-22
PFHxAND—Below MRL2024-07-22
PFDoAND—Below MRL2024-07-22
PFOAND4Below MRL2024-07-22
PFNAND10Below MRL2024-07-22
PFHxSND10Below MRL2024-07-22
PFHpAND—Below MRL2024-07-22
PFBSND—Below MRL2024-07-22
4:2 FTSND—Below MRL2024-07-22
PFOSND4Below MRL2024-07-22
HFPO-DAND10Below MRL2025-01-27
NMeFOSAAND—Below MRL2025-01-27
NEtFOSAAND—Below MRL2025-01-27
PFTrDAND—Below MRL2025-01-27
PFTAND—Below MRL2025-01-27
PFHpSND—Below MRL2025-01-27
PFPeSND—Below MRL2025-01-27
NFDHAND—Below MRL2025-01-27
PFMBAND—Below MRL2025-01-27
PFMPAND—Below MRL2025-01-27
8:2 FTSND—Below MRL2025-01-27
4:2 FTSND—Below MRL2025-01-27
PFBAND—Below MRL2025-01-27
PFEESAND—Below MRL2025-01-27
ADONAND—Below MRL2025-01-27
9Cl-PF3ONSND—Below MRL2025-01-27
11Cl-PF3OUdSND—Below MRL2025-01-27
PFUnAND—Below MRL2025-01-27
PFHxAND—Below MRL2025-01-27
PFDoAND—Below MRL2025-01-27
PFDAND—Below MRL2025-01-27
PFOAND4Below MRL2025-01-27
PFOSND4Below MRL2025-01-27
PFNAND10Below MRL2025-01-27
PFHxSND10Below MRL2025-01-27
PFHpAND—Below MRL2025-01-27
PFBSND—Below MRL2025-01-27
6:2 FTSND—Below MRL2025-01-27
PFPeAND—Below MRL2025-01-27
PFMPAND—Below MRL2024-07-22
8:2 FTSND—Below MRL2024-07-22
PFPeAND—Below MRL2024-07-22
6:2 FTSND—Below MRL2024-07-22
PFHpSND—Below MRL2024-07-22
PFTrDAND—Below MRL2024-07-22
4:2 FTSND—Below MRL2024-07-22
PFMBAND—Below MRL2024-07-22
PFEESAND—Below MRL2024-07-22
PFPeSND—Below MRL2024-07-22
PFTAND—Below MRL2024-07-22
PFBAND—Below MRL2024-07-22
NFDHAND—Below MRL2024-07-22
PFDAND—Below MRL2024-07-22
PFBSND—Below MRL2024-07-22
PFHpAND—Below MRL2024-07-22
PFHxSND10Below MRL2024-07-22
NMeFOSAAND—Below MRL2024-07-22
PFNAND10Below MRL2024-07-22
PFOSND4Below MRL2024-07-22
PFOAND4Below MRL2024-07-22
HFPO-DAND10Below MRL2024-07-22
PFDoAND—Below MRL2024-07-22
PFHxAND—Below MRL2024-07-22
PFUnAND—Below MRL2024-07-22
11Cl-PF3OUdSND—Below MRL2024-07-22
9Cl-PF3ONSND—Below MRL2024-07-22
ADONAND—Below MRL2024-07-22
NEtFOSAAND—Below MRL2024-07-22
4:2 FTSND—Below MRL2025-08-18
PFBSND—Below MRL2025-08-18
PFHxSND10Below MRL2025-08-18
PFNAND10Below MRL2025-08-18
PFOSND4Below MRL2025-08-18
PFOAND4Below MRL2025-08-18
PFDAND—Below MRL2025-08-18
PFDoAND—Below MRL2025-08-18
PFHxAND—Below MRL2025-08-18
PFUnAND—Below MRL2025-08-18
11Cl-PF3OUdSND—Below MRL2025-08-18
9Cl-PF3ONSND—Below MRL2025-08-18
ADONAND—Below MRL2025-08-18
HFPO-DAND10Below MRL2025-08-18
6:2 FTSND—Below MRL2025-08-18
NFDHAND—Below MRL2025-08-18
NMeFOSAAND—Below MRL2025-08-18
NEtFOSAAND—Below MRL2025-08-18
PFTrDAND—Below MRL2025-08-18
PFTAND—Below MRL2025-08-18
PFBAND—Below MRL2025-08-18
PFPeSND—Below MRL2025-08-18
PFHpAND—Below MRL2025-08-18
PFEESAND—Below MRL2025-08-18
PFMBAND—Below MRL2025-08-18
PFPeAND—Below MRL2025-08-18
PFMPAND—Below MRL2025-08-18
8:2 FTSND—Below MRL2025-08-18
PFHpSND—Below MRL2025-08-18
PFBSND—Below MRL2024-07-22
6:2 FTSND—Below MRL2024-07-22
PFHxSND10Below MRL2024-07-22
PFNAND10Below MRL2024-07-22
PFOSND4Below MRL2024-07-22
PFOAND4Below MRL2024-07-22
PFDAND—Below MRL2024-07-22
PFDoAND—Below MRL2024-07-22
PFHxAND—Below MRL2024-07-22
PFUnAND—Below MRL2024-07-22
11Cl-PF3OUdSND—Below MRL2024-07-22
9Cl-PF3ONSND—Below MRL2024-07-22
ADONAND—Below MRL2024-07-22
PFBAND—Below MRL2024-07-22
PFEESAND—Below MRL2024-07-22
NMeFOSAAND—Below MRL2024-07-22
NEtFOSAAND—Below MRL2024-07-22
PFTrDAND—Below MRL2024-07-22
PFTAND—Below MRL2024-07-22
PFHpSND—Below MRL2024-07-22
HFPO-DAND10Below MRL2024-07-22
NFDHAND—Below MRL2024-07-22
PFHpAND—Below MRL2024-07-22
PFMBAND—Below MRL2024-07-22
PFPeAND—Below MRL2024-07-22
PFMPAND—Below MRL2024-07-22
8:2 FTSND—Below MRL2024-07-22
4:2 FTSND—Below MRL2024-07-22
PFPeSND—Below MRL2024-07-22
6:2 FTSND—Below MRL2025-01-27
PFDAND—Below MRL2025-01-27
8:2 FTSND—Below MRL2025-01-27
PFBSND—Below MRL2025-01-27
PFHpAND—Below MRL2025-01-27
PFHxSND10Below MRL2025-01-27
PFNAND10Below MRL2025-01-27
NMeFOSAAND—Below MRL2025-01-27
PFOAND4Below MRL2025-01-27
PFDoAND—Below MRL2025-01-27
PFHxAND—Below MRL2025-01-27
PFUnAND—Below MRL2025-01-27
11Cl-PF3OUdSND—Below MRL2025-01-27
9Cl-PF3ONSND—Below MRL2025-01-27
ADONAND—Below MRL2025-01-27
HFPO-DAND10Below MRL2025-01-27
PFHpSND—Below MRL2025-01-27
lithium138000—2024-07-22
lithium124000—2025-08-18
lithium94300—2024-07-22
lithium93900—2025-01-27
lithium72200—2025-01-27
lithium64700—2024-07-22
lithium32200—2025-01-15
lithium31600—2024-07-23
lithium31500—2024-07-23
lithium25800—2025-01-15
lithium25500—2024-07-23
lithium20700—2025-01-15

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