PFAS Comply

FAIRFIELD TOWN OF

PWSID: MT0000212 · FAIRFIELD, MT · Serving 718 people

Type: CWSOwner: LSource: 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
24500 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
NEtFOSAAND—Below MRL2025-08-18
NEtFOSAAND—Below MRL2025-02-18
PFBSND—Below MRL2025-02-18
PFHpAND—Below MRL2025-02-18
PFHpSND—Below MRL2025-02-18
PFMBAND—Below MRL2025-02-18
PFTAND—Below MRL2025-02-18
PFTrDAND—Below MRL2025-02-18
NMeFOSAAND—Below MRL2025-02-18
PFNAND10Below MRL2025-02-18
PFOSND4Below MRL2025-02-18
PFBAND—Below MRL2025-02-18
PFDAND—Below MRL2025-02-18
PFPeAND—Below MRL2025-02-18
PFHxAND—Below MRL2025-02-18
PFUnAND—Below MRL2025-02-18
11Cl-PF3OUdSND—Below MRL2025-02-18
9Cl-PF3ONSND—Below MRL2025-02-18
ADONAND—Below MRL2025-02-18
HFPO-DAND10Below MRL2025-02-18
6:2 FTSND—Below MRL2025-02-18
4:2 FTSND—Below MRL2025-02-18
8:2 FTSND—Below MRL2025-02-18
PFMPAND—Below MRL2025-02-18
PFOAND4Below MRL2025-02-18
PFHxSND10Below MRL2025-02-18
PFEESAND—Below MRL2025-02-18
NFDHAND—Below MRL2025-02-18
PFPeSND—Below MRL2025-02-18
PFPeAND—Below MRL2025-08-18
ADONAND—Below MRL2025-08-18
8:2 FTSND—Below MRL2025-08-18
4:2 FTSND—Below MRL2025-08-18
6:2 FTSND—Below MRL2025-08-18
PFBAND—Below MRL2025-08-18
HFPO-DAND10Below MRL2025-08-18
9Cl-PF3ONSND—Below MRL2025-08-18
PFMPAND—Below MRL2025-08-18
PFDoAND—Below MRL2025-02-18
4:2 FTSND—Below MRL2025-08-18
8:2 FTSND—Below MRL2025-08-18
PFMPAND—Below MRL2025-08-18
PFPeAND—Below MRL2025-08-18
PFMBAND—Below MRL2025-08-18
PFEESAND—Below MRL2025-08-18
6:2 FTSND—Below MRL2025-08-18
PFPeSND—Below MRL2025-08-18
9Cl-PF3ONSND—Below MRL2025-08-18
PFHpSND—Below MRL2025-08-18
PFTrDAND—Below MRL2025-08-18
NFDHAND—Below MRL2025-08-18
PFBAND—Below MRL2025-08-18
NEtFOSAAND—Below MRL2025-08-18
ADONAND—Below MRL2025-08-18
PFDAND—Below MRL2025-08-18
11Cl-PF3OUdSND—Below MRL2025-08-18
PFUnAND—Below MRL2025-08-18
PFHxAND—Below MRL2025-08-18
PFDoAND—Below MRL2025-08-18
PFOAND4Below MRL2025-08-18
PFNAND10Below MRL2025-08-18
PFHxSND10Below MRL2025-08-18
PFHpAND—Below MRL2025-08-18
PFBSND—Below MRL2025-08-18
PFTAND—Below MRL2025-08-18
HFPO-DAND10Below MRL2025-08-18
PFOSND4Below MRL2025-08-18
NMeFOSAAND—Below MRL2025-08-18
PFHpSND—Below MRL2025-02-18
8:2 FTSND—Below MRL2025-02-18
PFPeAND—Below MRL2025-02-18
PFHpAND—Below MRL2025-02-18
PFHxSND10Below MRL2025-02-18
PFNAND10Below MRL2025-02-18
PFOSND4Below MRL2025-02-18
PFOAND4Below MRL2025-02-18
PFDAND—Below MRL2025-02-18
PFDoAND—Below MRL2025-02-18
PFPeSND—Below MRL2025-02-18
4:2 FTSND—Below MRL2025-02-18
PFUnAND—Below MRL2025-02-18
PFMPAND—Below MRL2025-02-18
11Cl-PF3OUdSND—Below MRL2025-02-18
9Cl-PF3ONSND—Below MRL2025-02-18
ADONAND—Below MRL2025-02-18
HFPO-DAND10Below MRL2025-02-18
PFBAND—Below MRL2025-02-18
6:2 FTSND—Below MRL2025-02-18
PFMBAND—Below MRL2025-02-18
PFEESAND—Below MRL2025-02-18
NFDHAND—Below MRL2025-02-18
PFHxAND—Below MRL2025-02-18
NMeFOSAAND—Below MRL2025-02-18
NEtFOSAAND—Below MRL2025-02-18
PFTrDAND—Below MRL2025-02-18
PFTAND—Below MRL2025-02-18
PFBSND—Below MRL2025-02-18
PFNAND10Below MRL2025-08-18
PFPeAND—Below MRL2025-08-18
PFMBAND—Below MRL2025-08-18
PFEESAND—Below MRL2025-08-18
NFDHAND—Below MRL2025-08-18
11Cl-PF3OUdSND—Below MRL2025-08-18
PFHpSND—Below MRL2025-08-18
PFMPAND—Below MRL2025-08-18
PFHxSND10Below MRL2025-08-18
PFPeSND—Below MRL2025-08-18
PFOSND4Below MRL2025-08-18
PFHpAND—Below MRL2025-08-18
NEtFOSAAND—Below MRL2025-08-18
PFUnAND—Below MRL2025-08-18
PFBSND—Below MRL2025-08-18
8:2 FTSND—Below MRL2025-08-18
PFDAND—Below MRL2025-08-18
PFOAND4Below MRL2025-08-18
PFHxAND—Below MRL2025-08-18
PFTrDAND—Below MRL2025-08-18
PFDoAND—Below MRL2025-08-18
NMeFOSAAND—Below MRL2025-08-18
9Cl-PF3ONSND—Below MRL2025-08-18
ADONAND—Below MRL2025-08-18
HFPO-DAND10Below MRL2025-08-18
PFBAND—Below MRL2025-08-18
6:2 FTSND—Below MRL2025-08-18
4:2 FTSND—Below MRL2025-08-18
PFTAND—Below MRL2025-08-18
ADONAND—Below MRL2025-02-18
9Cl-PF3ONSND—Below MRL2025-02-18
11Cl-PF3OUdSND—Below MRL2025-02-18
HFPO-DAND10Below MRL2025-02-18
PFBAND—Below MRL2025-02-18
6:2 FTSND—Below MRL2025-02-18
4:2 FTSND—Below MRL2025-02-18
8:2 FTSND—Below MRL2025-02-18
PFMPAND—Below MRL2025-02-18
PFPeAND—Below MRL2025-02-18
PFMBAND—Below MRL2025-02-18
PFEESAND—Below MRL2025-02-18
PFPeSND—Below MRL2025-02-18
NEtFOSAAND—Below MRL2025-02-18
PFHpSND—Below MRL2025-02-18
PFUnAND—Below MRL2025-02-18
NFDHAND—Below MRL2025-02-18
PFBSND—Below MRL2025-02-18
PFHxAND—Below MRL2025-02-18
PFTrDAND—Below MRL2025-02-18
NMeFOSAAND—Below MRL2025-02-18
PFHpAND—Below MRL2025-02-18
PFHxSND10Below MRL2025-02-18
PFNAND10Below MRL2025-02-18
PFOSND4Below MRL2025-02-18
PFOAND4Below MRL2025-02-18
PFDAND—Below MRL2025-02-18
PFDoAND—Below MRL2025-02-18
PFTAND—Below MRL2025-02-18
11Cl-PF3OUdSND—Below MRL2025-08-18
PFHxSND10Below MRL2025-08-18
PFPeSND—Below MRL2025-08-18
PFBSND—Below MRL2025-08-18
PFHpAND—Below MRL2025-08-18
PFOSND4Below MRL2025-08-18
PFOAND4Below MRL2025-08-18
PFDAND—Below MRL2025-08-18
PFDoAND—Below MRL2025-08-18
PFEESAND—Below MRL2025-08-18
PFUnAND—Below MRL2025-08-18
NFDHAND—Below MRL2025-08-18
PFHxAND—Below MRL2025-08-18
PFTAND—Below MRL2025-08-18
PFHpSND—Below MRL2025-08-18
PFMBAND—Below MRL2025-08-18
NEtFOSAAND—Below MRL2025-08-18
PFTrDAND—Below MRL2025-08-18
NMeFOSAAND—Below MRL2025-08-18
PFNAND10Below MRL2025-08-18
9Cl-PF3ONSND—Below MRL2025-08-18
PFMPAND—Below MRL2025-08-18
PFPeAND—Below MRL2025-08-18
ADONAND—Below MRL2025-08-18
8:2 FTSND—Below MRL2025-08-18
4:2 FTSND—Below MRL2025-08-18
6:2 FTSND—Below MRL2025-08-18
PFBAND—Below MRL2025-08-18
HFPO-DAND10Below MRL2025-08-18
6:2 FTSND—Below MRL2025-02-18
PFBAND—Below MRL2025-02-18
ADONAND—Below MRL2025-02-18
9Cl-PF3ONSND—Below MRL2025-02-18
11Cl-PF3OUdSND—Below MRL2025-02-18
PFUnAND—Below MRL2025-02-18
PFDoAND—Below MRL2025-02-18
HFPO-DAND10Below MRL2025-02-18
PFOAND4Below MRL2025-02-18
PFOSND4Below MRL2025-02-18
PFNAND10Below MRL2025-02-18
PFHxSND10Below MRL2025-02-18
PFHpAND—Below MRL2025-02-18
PFHpSND—Below MRL2025-02-18
PFBSND—Below MRL2025-02-18
PFHxAND—Below MRL2025-02-18
PFPeSND—Below MRL2025-02-18
PFTAND—Below MRL2025-02-18
NMeFOSAAND—Below MRL2025-02-18
PFTrDAND—Below MRL2025-02-18
4:2 FTSND—Below MRL2025-02-18
PFDAND—Below MRL2025-02-18
PFMPAND—Below MRL2025-02-18
NEtFOSAAND—Below MRL2025-02-18
8:2 FTSND—Below MRL2025-02-18
NFDHAND—Below MRL2025-02-18
PFPeAND—Below MRL2025-02-18
PFMBAND—Below MRL2025-02-18
PFEESAND—Below MRL2025-02-18
PFHpAND—Below MRL2025-08-18
PFBSND—Below MRL2025-08-18
9Cl-PF3ONSND—Below MRL2025-08-18
PFHpSND—Below MRL2025-08-18
PFPeSND—Below 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
PFHxSND10Below MRL2025-08-18
ADONAND—Below MRL2025-08-18
NFDHAND—Below MRL2025-08-18
PFTrDAND—Below MRL2025-08-18
NMeFOSAAND—Below MRL2025-08-18
PFTAND—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
4:2 FTSND—Below MRL2025-08-18
6:2 FTSND—Below MRL2025-08-18
PFBAND—Below MRL2025-08-18
HFPO-DAND10Below MRL2025-08-18
NEtFOSAAND—Below MRL2025-08-18
PFNAND10Below MRL2025-02-18
PFHxAND—Below MRL2025-02-18
PFDoAND—Below MRL2025-02-18
PFDAND—Below MRL2025-02-18
PFOAND4Below MRL2025-02-18
PFOSND4Below MRL2025-02-18
PFHxSND10Below MRL2025-02-18
PFHpAND—Below MRL2025-02-18
PFHpSND—Below MRL2025-02-18
PFPeSND—Below MRL2025-02-18
NFDHAND—Below MRL2025-02-18
PFUnAND—Below MRL2025-02-18
NMeFOSAAND—Below MRL2025-02-18
HFPO-DAND10Below MRL2025-02-18
PFBSND—Below MRL2025-02-18
PFMBAND—Below MRL2025-02-18
9Cl-PF3ONSND—Below MRL2025-02-18
11Cl-PF3OUdSND—Below MRL2025-02-18
PFTrDAND—Below MRL2025-02-18
PFEESAND—Below MRL2025-02-18
PFTAND—Below MRL2025-02-18
PFPeAND—Below MRL2025-02-18
PFMPAND—Below MRL2025-02-18
8:2 FTSND—Below MRL2025-02-18
4:2 FTSND—Below MRL2025-02-18
6:2 FTSND—Below MRL2025-02-18
PFBAND—Below MRL2025-02-18
ADONAND—Below MRL2025-02-18
NEtFOSAAND—Below MRL2025-02-18
PFOSND4Below MRL2025-08-18
PFHxAND—Below MRL2025-08-18
PFDoAND—Below MRL2025-08-18
PFDAND—Below MRL2025-08-18
PFOAND4Below MRL2025-08-18
PFNAND10Below MRL2025-08-18
PFHxSND10Below MRL2025-08-18
PFHpAND—Below MRL2025-08-18
PFHpSND—Below MRL2025-08-18
NFDHAND—Below MRL2025-08-18
PFUnAND—Below MRL2025-08-18
PFBSND—Below MRL2025-08-18
PFTAND—Below MRL2025-08-18
11Cl-PF3OUdSND—Below MRL2025-08-18
NMeFOSAAND—Below MRL2025-08-18
PFTrDAND—Below MRL2025-08-18
PFEESAND—Below MRL2025-08-18
PFPeSND—Below MRL2025-08-18
PFMBAND—Below MRL2025-08-18
lithium24500—2025-08-18
lithium19000—2025-08-18
lithium17900—2025-02-18
lithium16100—2025-02-18
lithium15800—2025-02-18
lithium15500—2025-02-18
lithium15200—2025-08-18
lithium14900—2025-02-18
lithium13700—2025-08-18
lithium13500—2025-08-18

Violation history

Monitoring & Reporting - PFOA(PFOA)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2017-04-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2017-04-01 · Resolved · Tier 3

Next steps