PFAS Comply

GREAT FALLS CITY OF

PWSID: MT0000525 · GREAT FALLS, MT · Serving 60,000 people

Type: CWSOwner: LSource: SW
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
80800 ppt
Highest single detection
2023-09-18
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFOSND4Below MRL2023-12-04
PFUnAND—Below MRL2023-03-06
8:2 FTSND—Below MRL2023-03-06
ADONAND—Below MRL2023-03-06
HFPO-DAND10Below MRL2023-03-06
PFBAND—Below MRL2023-03-06
6:2 FTSND—Below MRL2023-03-06
9Cl-PF3ONSND—Below MRL2023-03-06
PFHpSND—Below MRL2023-03-06
PFMPAND—Below MRL2023-03-06
NFDHAND—Below MRL2023-03-06
PFMBAND—Below MRL2023-03-06
PFEESAND—Below MRL2023-03-06
PFTrDAND—Below MRL2023-03-06
PFPeSND—Below MRL2023-03-06
PFHxAND—Below MRL2023-03-06
PFPeAND—Below MRL2023-03-06
PFBSND—Below MRL2023-03-06
NMeFOSAAND—Below MRL2023-03-06
PFDoAND—Below MRL2023-03-06
NEtFOSAAND—Below MRL2023-03-06
NEtFOSAAND—Below MRL2023-12-04
11Cl-PF3OUdSND—Below MRL2023-12-04
9Cl-PF3ONSND—Below MRL2023-12-04
11Cl-PF3OUdSND—Below MRL2023-03-06
PFHpAND—Below MRL2023-03-06
PFHxSND10Below MRL2023-03-06
4:2 FTSND—Below MRL2023-03-06
PFNAND10Below MRL2023-03-06
PFOSND4Below MRL2023-03-06
PFOAND4Below MRL2023-03-06
PFDAND—Below MRL2023-03-06
PFTAND—Below MRL2023-03-06
9Cl-PF3ONSND—Below MRL2023-06-08
11Cl-PF3OUdSND—Below MRL2023-06-08
PFUnAND—Below MRL2023-06-08
PFHxAND—Below MRL2023-06-08
PFDoAND—Below MRL2023-06-08
PFDAND—Below MRL2023-06-08
PFOAND4Below MRL2023-06-08
PFOSND4Below MRL2023-06-08
ADONAND—Below MRL2023-06-08
PFHxSND10Below MRL2023-06-08
PFMBAND—Below MRL2023-06-08
PFHpAND—Below MRL2023-06-08
PFNAND10Below MRL2023-06-08
HFPO-DAND10Below MRL2023-06-08
PFBAND—Below MRL2023-06-08
6:2 FTSND—Below MRL2023-06-08
4:2 FTSND—Below MRL2023-06-08
8:2 FTSND—Below MRL2023-06-08
PFPeAND—Below MRL2023-06-08
PFEESAND—Below MRL2023-06-08
NFDHAND—Below MRL2023-06-08
PFBSND—Below MRL2023-06-08
PFHpSND—Below MRL2023-06-08
PFPeSND—Below MRL2023-06-08
PFMPAND—Below MRL2023-06-08
PFTAND—Below MRL2023-06-30
PFTrDAND—Below MRL2023-06-30
NEtFOSAAND—Below MRL2023-06-30
NMeFOSAAND—Below MRL2023-06-30
PFPeAND—Below MRL2023-09-18
9Cl-PF3ONSND—Below MRL2023-09-18
ADONAND—Below MRL2023-09-18
HFPO-DAND10Below MRL2023-09-18
PFBAND—Below MRL2023-09-18
6:2 FTSND—Below MRL2023-09-18
4:2 FTSND—Below MRL2023-09-18
PFUnAND—Below MRL2023-09-18
PFMPAND—Below MRL2023-09-18
PFOSND4Below MRL2023-09-18
PFMBAND—Below MRL2023-09-18
PFEESAND—Below MRL2023-09-18
8:2 FTSND—Below MRL2023-09-18
PFDoAND—Below MRL2023-09-18
NFDHAND—Below MRL2023-09-18
PFOAND4Below MRL2023-09-18
11Cl-PF3OUdSND—Below MRL2023-09-18
PFNAND10Below MRL2023-09-18
PFHxSND10Below MRL2023-09-18
PFHpAND—Below MRL2023-09-18
PFBSND—Below MRL2023-09-18
NMeFOSAAND—Below MRL2023-09-18
NEtFOSAAND—Below MRL2023-09-18
PFTrDAND—Below MRL2023-09-18
PFTAND—Below MRL2023-09-18
PFDAND—Below MRL2023-09-18
PFHxAND—Below MRL2023-09-18
PFPeSND—Below MRL2023-09-18
PFHpSND—Below MRL2023-09-18
PFHxSND10Below MRL2023-12-04
PFBAND—Below MRL2023-12-04
6:2 FTSND—Below MRL2023-12-04
4:2 FTSND—Below MRL2023-12-04
8:2 FTSND—Below MRL2023-12-04
PFMPAND—Below MRL2023-12-04
PFPeAND—Below MRL2023-12-04
PFMBAND—Below MRL2023-12-04
HFPO-DAND10Below MRL2023-12-04
PFHpAND—Below MRL2023-12-04
PFNAND10Below MRL2023-12-04
NMeFOSAAND—Below MRL2023-12-04
PFEESAND—Below MRL2023-12-04
PFHpSND—Below MRL2023-12-04
PFPeSND—Below MRL2023-12-04
PFBSND—Below MRL2023-12-04
PFDAND—Below MRL2023-12-04
ADONAND—Below MRL2023-12-04
NFDHAND—Below MRL2023-12-04
PFTrDAND—Below MRL2023-12-04
PFOAND4Below MRL2023-12-04
PFTAND—Below MRL2023-12-04
PFDoAND—Below MRL2023-12-04
PFHxAND—Below MRL2023-12-04
PFUnAND—Below MRL2023-12-04
lithium80800—2023-03-06
lithium75900—2023-09-18
lithium61800—2023-12-04
lithium57000—2023-06-08

Next steps