PFAS Comply

HELENA WATER SYSTEM

PWSID: MT0000241 · HELENA, MT · Serving 32,091 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
78000 ppt
Highest single detection
2023-07-19
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFTrDAND—Below MRL2024-05-08
9Cl-PF3ONSND—Below MRL2023-07-19
PFBAND—Below MRL2023-07-19
PFHxSND10Below MRL2023-07-19
HFPO-DAND10Below MRL2023-07-19
PFHpAND—Below MRL2023-07-19
ADONAND—Below MRL2023-07-19
11Cl-PF3OUdSND—Below MRL2023-07-19
PFUnAND—Below MRL2023-07-19
PFHxAND—Below MRL2023-07-19
PFDoAND—Below MRL2023-07-19
PFDAND—Below MRL2023-07-19
PFOAND4Below MRL2023-07-19
PFBSND—Below MRL2023-07-19
4:2 FTSND—Below MRL2023-07-19
PFOSND4Below MRL2023-07-19
PFPeSND—Below MRL2023-07-19
PFHpSND—Below MRL2023-07-19
PFMPAND—Below MRL2023-07-19
PFPeAND—Below MRL2023-07-19
PFMBAND—Below MRL2023-07-19
PFEESAND—Below MRL2023-07-19
NFDHAND—Below MRL2023-07-19
8:2 FTSND—Below MRL2023-07-19
PFTAND—Below MRL2023-07-19
NMeFOSAAND—Below MRL2023-07-19
NEtFOSAAND—Below MRL2023-07-19
PFTrDAND—Below MRL2023-07-19
lithiumND—Below MRL2023-07-19
PFNAND10Below MRL2023-07-19
HFPO-DAND10Below MRL2024-02-21
PFBSND—Below MRL2024-02-21
lithiumND—Below MRL2024-02-21
PFMPAND—Below MRL2024-02-21
9Cl-PF3ONSND—Below MRL2024-02-21
PFMBAND—Below MRL2024-02-21
PFEESAND—Below MRL2024-02-21
NFDHAND—Below MRL2024-02-21
PFPeSND—Below MRL2024-02-21
PFPeAND—Below MRL2024-02-21
8:2 FTSND—Below MRL2024-02-21
4:2 FTSND—Below MRL2024-02-21
6:2 FTSND—Below MRL2024-02-21
PFBAND—Below MRL2024-02-21
PFOAND4Below MRL2024-02-21
ADONAND—Below MRL2024-02-21
PFHpAND—Below MRL2024-02-21
PFHpSND—Below MRL2024-02-21
NMeFOSAAND—Below MRL2024-02-21
11Cl-PF3OUdSND—Below MRL2024-02-21
PFTrDAND—Below MRL2024-02-21
PFTAND—Below MRL2024-02-21
NEtFOSAAND—Below MRL2024-02-21
PFHxSND10Below MRL2024-02-21
PFNAND10Below MRL2024-02-21
PFOSND4Below MRL2024-02-21
PFDAND—Below MRL2024-02-21
PFDoAND—Below MRL2024-02-21
PFHxAND—Below MRL2024-02-21
PFUnAND—Below MRL2024-02-21
9Cl-PF3ONSND—Below MRL2024-06-13
11Cl-PF3OUdSND—Below MRL2024-06-13
6:2 FTSND—Below MRL2023-07-19
PFDoAND—Below MRL2023-07-19
PFOSND4Below MRL2023-07-19
PFOAND4Below MRL2023-07-19
PFDAND—Below MRL2023-07-19
PFNAND10Below MRL2023-07-19
PFHxAND—Below MRL2023-07-19
PFUnAND—Below MRL2023-07-19
PFMBAND—Below MRL2023-07-19
PFPeAND—Below MRL2023-07-19
PFMPAND—Below MRL2023-07-19
4:2 FTSND—Below MRL2023-07-19
PFHxSND10Below MRL2023-07-19
9Cl-PF3ONSND—Below MRL2023-07-19
8:2 FTSND—Below MRL2023-07-19
PFPeSND—Below MRL2023-07-19
11Cl-PF3OUdSND—Below MRL2023-07-19
HFPO-DAND10Below MRL2023-07-19
ADONAND—Below MRL2023-07-19
6:2 FTSND—Below MRL2023-07-19
PFBAND—Below MRL2023-07-19
NFDHAND—Below MRL2023-07-19
PFHpAND—Below MRL2023-07-19
PFHpSND—Below MRL2023-07-19
PFTAND—Below MRL2023-07-19
PFTrDAND—Below MRL2023-07-19
NEtFOSAAND—Below MRL2023-07-19
NMeFOSAAND—Below MRL2023-07-19
PFBSND—Below MRL2023-07-19
PFEESAND—Below MRL2023-07-19
PFDoAND—Below MRL2023-10-04
6:2 FTSND—Below MRL2023-10-04
NMeFOSAAND—Below MRL2023-10-04
NEtFOSAAND—Below MRL2023-10-04
PFTrDAND—Below MRL2023-10-04
PFTAND—Below MRL2023-10-04
PFHpSND—Below MRL2023-10-04
PFPeSND—Below MRL2023-10-04
NFDHAND—Below MRL2023-10-04
PFEESAND—Below MRL2023-10-04
PFMBAND—Below MRL2023-10-04
PFPeAND—Below MRL2023-10-04
PFMPAND—Below MRL2023-10-04
PFOAND4Below MRL2023-10-04
4:2 FTSND—Below MRL2023-10-04
PFHxAND—Below MRL2023-10-04
PFBSND—Below MRL2023-10-04
PFHpAND—Below MRL2023-10-04
PFHxSND10Below MRL2023-10-04
PFNAND10Below MRL2023-10-04
8:2 FTSND—Below MRL2023-10-04
PFDAND—Below MRL2023-10-04
PFUnAND—Below MRL2023-10-04
11Cl-PF3OUdSND—Below MRL2023-10-04
9Cl-PF3ONSND—Below MRL2023-10-04
ADONAND—Below MRL2023-10-04
HFPO-DAND10Below MRL2023-10-04
PFBAND—Below MRL2023-10-04
PFOSND4Below MRL2023-10-04
HFPO-DAND10Below MRL2024-06-13
PFOAND4Below MRL2024-06-13
9Cl-PF3ONSND—Below MRL2024-06-13
PFDoAND—Below MRL2024-06-13
NMeFOSAAND—Below MRL2024-05-08
NEtFOSAAND—Below MRL2024-05-08
PFTrDAND—Below MRL2024-05-08
PFTAND—Below MRL2024-05-08
PFDAND—Below MRL2024-06-13
PFOSND4Below MRL2024-06-13
PFNAND10Below MRL2024-06-13
PFHxSND10Below MRL2024-06-13
PFHpAND—Below MRL2024-06-13
PFBSND—Below MRL2024-06-13
4:2 FTSND—Below MRL2024-06-13
6:2 FTSND—Below MRL2024-06-13
PFHxAND—Below MRL2024-06-13
PFHpSND—Below MRL2024-06-13
11Cl-PF3OUdSND—Below MRL2024-06-13
PFUnAND—Below MRL2024-06-13
PFBAND—Below MRL2024-06-13
8:2 FTSND—Below MRL2024-06-13
PFMPAND—Below MRL2024-06-13
PFPeAND—Below MRL2024-06-13
PFMBAND—Below MRL2024-06-13
PFEESAND—Below MRL2024-06-13
NFDHAND—Below MRL2024-06-13
PFPeSND—Below MRL2024-06-13
ADONAND—Below MRL2024-06-13
PFDoAND—Below MRL2023-07-19
PFHxAND—Below MRL2023-07-19
PFPeAND—Below MRL2023-07-19
PFUnAND—Below MRL2023-07-19
11Cl-PF3OUdSND—Below MRL2023-07-19
9Cl-PF3ONSND—Below MRL2023-07-19
ADONAND—Below MRL2023-07-19
HFPO-DAND10Below MRL2023-07-19
PFBAND—Below MRL2023-07-19
6:2 FTSND—Below MRL2023-07-19
4:2 FTSND—Below MRL2023-07-19
PFMPAND—Below MRL2023-07-19
PFDAND—Below MRL2023-07-19
PFTAND—Below MRL2023-07-19
8:2 FTSND—Below MRL2023-07-19
PFEESAND—Below MRL2023-07-19
NMeFOSAAND—Below MRL2023-07-19
PFTrDAND—Below MRL2023-07-19
PFMBAND—Below MRL2023-07-19
PFHpSND—Below MRL2023-07-19
NEtFOSAAND—Below MRL2023-07-19
NFDHAND—Below MRL2023-07-19
PFOAND4Below MRL2023-07-19
lithiumND—Below MRL2023-07-19
PFBSND—Below MRL2023-07-19
PFHpAND—Below MRL2023-07-19
PFHxSND10Below MRL2023-07-19
PFNAND10Below MRL2023-07-19
PFOSND4Below MRL2023-07-19
PFPeSND—Below MRL2023-07-19
PFNAND10Below MRL2023-11-15
PFOSND4Below MRL2023-11-15
PFHxSND10Below MRL2023-11-15
PFDAND—Below MRL2023-11-15
PFTrDAND—Below MRL2023-10-04
PFDoAND—Below MRL2023-11-15
PFOAND4Below MRL2023-11-15
PFHpAND—Below MRL2023-11-15
PFBSND—Below MRL2023-11-15
NEtFOSAAND—Below MRL2023-10-04
PFTAND—Below MRL2023-10-04
lithiumND—Below MRL2023-10-04
9Cl-PF3ONSND—Below MRL2023-11-15
NMeFOSAAND—Below MRL2023-10-04
PFPeSND—Below MRL2023-11-15
PFHpSND—Below MRL2023-11-15
NFDHAND—Below MRL2023-11-15
PFEESAND—Below MRL2023-11-15
PFMBAND—Below MRL2023-11-15
PFPeAND—Below MRL2023-11-15
PFMPAND—Below MRL2023-11-15
8:2 FTSND—Below MRL2023-11-15
6:2 FTSND—Below MRL2023-11-15
PFBAND—Below MRL2023-11-15
HFPO-DAND10Below MRL2023-11-15
ADONAND—Below MRL2023-11-15
PFUnAND—Below MRL2023-11-15
11Cl-PF3OUdSND—Below MRL2023-11-15
4:2 FTSND—Below MRL2023-11-15
PFHxAND—Below MRL2023-11-15
PFMPAND—Below MRL2024-02-21
PFEESAND—Below MRL2024-02-21
lithiumND—Below MRL2024-02-21
NFDHAND—Below MRL2024-02-21
PFTrDAND—Below MRL2024-02-21
PFTAND—Below MRL2024-02-21
NMeFOSAAND—Below MRL2024-02-21
NEtFOSAAND—Below MRL2024-02-21
PFPeSND—Below MRL2024-02-21
PFHpSND—Below MRL2024-02-21
8:2 FTSND—Below MRL2024-02-21
PFPeAND—Below MRL2024-02-21
6:2 FTSND—Below MRL2024-02-21
11Cl-PF3OUdSND—Below MRL2024-02-21
4:2 FTSND—Below MRL2024-02-21
PFNAND10Below MRL2024-02-21
PFBSND—Below MRL2024-02-21
ADONAND—Below MRL2024-02-21
PFHxSND10Below MRL2024-02-21
PFBAND—Below MRL2024-02-21
PFOSND4Below MRL2024-02-21
PFOAND4Below MRL2024-02-21
PFDAND—Below MRL2024-02-21
PFHxAND—Below MRL2024-02-21
PFUnAND—Below MRL2024-02-21
PFMBAND—Below MRL2024-02-21
9Cl-PF3ONSND—Below MRL2024-02-21
HFPO-DAND10Below MRL2024-02-21
PFDoAND—Below MRL2024-02-21
PFHpAND—Below MRL2024-02-21
lithiumND—Below MRL2024-05-08
PFDoAND—Below MRL2024-06-13
PFDAND—Below MRL2024-06-13
PFOAND4Below MRL2024-06-13
PFOSND4Below MRL2024-06-13
PFNAND10Below MRL2024-06-13
PFHxSND10Below MRL2024-06-13
PFBSND—Below MRL2024-06-13
PFHxAND—Below MRL2024-06-13
PFHpAND—Below MRL2024-06-13
NMeFOSAAND—Below MRL2024-05-08
PFPeAND—Below MRL2024-06-13
PFEESAND—Below MRL2024-06-13
PFMPAND—Below MRL2024-06-13
NFDHAND—Below MRL2024-06-13
PFPeSND—Below MRL2024-06-13
PFHpSND—Below MRL2024-06-13
PFUnAND—Below MRL2024-06-13
PFTAND—Below MRL2024-05-08
PFMBAND—Below MRL2024-06-13
NEtFOSAAND—Below MRL2024-05-08
8:2 FTSND—Below MRL2024-06-13
4:2 FTSND—Below MRL2024-06-13
6:2 FTSND—Below MRL2024-06-13
PFBAND—Below MRL2024-06-13
HFPO-DAND10Below MRL2024-06-13
ADONAND—Below MRL2024-06-13
lithium78000—2023-07-19
lithium62000—2024-05-08
lithium58000—2023-10-11

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