PFAS Comply

O FALLON

PWSID: IL1631100 · O'FALLON, IL · Serving 46,603 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

2
PFAS compounds detected
11600 ppt
Highest single detection
2024-08-07
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHxSND10Below MRL2024-11-07
PFMBAND—Below MRL2024-11-07
PFEESAND—Below MRL2024-11-07
NFDHAND—Below MRL2024-11-07
PFPeSND—Below MRL2024-11-07
9Cl-PF3ONSND—Below MRL2024-11-07
NFDHAND—Below MRL2024-02-07
6:2 FTSND—Below MRL2024-02-07
9Cl-PF3ONSND—Below MRL2024-02-07
4:2 FTSND—Below MRL2024-02-07
8:2 FTSND—Below MRL2024-02-07
PFMPAND—Below MRL2024-02-07
PFPeAND—Below MRL2024-02-07
PFPeSND—Below MRL2024-02-07
PFEESAND—Below MRL2024-02-07
PFHpSND—Below MRL2024-02-07
PFUnAND—Below MRL2024-02-07
HFPO-DAND10Below MRL2024-02-07
PFMBAND—Below MRL2024-02-07
PFHxSND10Below MRL2024-02-07
lithiumND—Below MRL2024-02-07
11Cl-PF3OUdSND—Below MRL2024-02-07
PFHxAND—Below MRL2024-02-07
PFDAND—Below MRL2024-02-07
PFOAND4Below MRL2024-02-07
PFDoAND—Below MRL2024-02-07
PFNAND10Below MRL2024-02-07
ADONAND—Below MRL2024-02-07
PFHpAND—Below MRL2024-02-07
PFBSND—Below MRL2024-02-07
NMeFOSAAND—Below MRL2024-02-07
NEtFOSAAND—Below MRL2024-02-07
PFTrDAND—Below MRL2024-02-07
PFTAND—Below MRL2024-02-07
PFOSND4Below MRL2024-02-07
lithiumND—Below MRL2024-05-08
4:2 FTSND—Below MRL2024-05-08
NEtFOSAAND—Below MRL2024-05-08
PFOAND4Below MRL2024-05-08
PFMPAND—Below MRL2024-05-08
PFTAND—Below MRL2024-05-08
HFPO-DAND10Below MRL2024-05-08
ADONAND—Below MRL2024-05-08
9Cl-PF3ONSND—Below MRL2024-05-08
11Cl-PF3OUdSND—Below MRL2024-05-08
PFUnAND—Below MRL2024-05-08
PFHxAND—Below MRL2024-05-08
PFDAND—Below MRL2024-05-08
PFOSND4Below MRL2024-05-08
6:2 FTSND—Below MRL2024-05-08
PFMBAND—Below MRL2024-05-08
PFTrDAND—Below MRL2024-05-08
PFBSND—Below MRL2024-05-08
PFDoAND—Below MRL2024-05-08
PFHpAND—Below MRL2024-05-08
PFNAND10Below MRL2024-05-08
PFHxSND10Below MRL2024-05-08
PFHpSND—Below MRL2024-05-08
PFPeSND—Below MRL2024-05-08
NFDHAND—Below MRL2024-05-08
PFEESAND—Below MRL2024-05-08
PFPeAND—Below MRL2024-05-08
8:2 FTSND—Below MRL2024-05-08
NMeFOSAAND—Below MRL2024-05-08
PFNAND10Below MRL2024-08-07
PFMPAND—Below MRL2024-08-07
NMeFOSAAND—Below MRL2024-08-07
NEtFOSAAND—Below MRL2024-08-07
PFTrDAND—Below MRL2024-08-07
PFTAND—Below MRL2024-08-07
PFHpSND—Below MRL2024-08-07
PFPeSND—Below MRL2024-08-07
NFDHAND—Below MRL2024-08-07
11Cl-PF3OUdSND—Below MRL2024-08-07
PFOSND4Below MRL2024-08-07
PFOAND4Below MRL2024-08-07
PFDAND—Below MRL2024-08-07
PFDoAND—Below MRL2024-08-07
PFMBAND—Below MRL2024-08-07
PFUnAND—Below MRL2024-08-07
PFHxSND10Below MRL2024-08-07
9Cl-PF3ONSND—Below MRL2024-08-07
PFEESAND—Below MRL2024-08-07
PFHpAND—Below MRL2024-08-07
PFHxAND—Below MRL2024-08-07
PFBSND—Below MRL2024-08-07
ADONAND—Below MRL2024-08-07
PFPeAND—Below MRL2024-08-07
8:2 FTSND—Below MRL2024-08-07
4:2 FTSND—Below MRL2024-08-07
6:2 FTSND—Below MRL2024-08-07
HFPO-DAND10Below MRL2024-08-07
NEtFOSAAND—Below MRL2024-11-07
PFTrDAND—Below MRL2024-11-07
PFTAND—Below MRL2024-11-07
NMeFOSAAND—Below MRL2024-11-07
PFOSND4Below MRL2024-11-07
HFPO-DAND10Below MRL2024-11-07
PFBSND—Below MRL2024-11-07
PFHpAND—Below MRL2024-11-07
PFNAND10Below MRL2024-11-07
PFOAND4Below MRL2024-11-07
PFDoAND—Below MRL2024-11-07
PFHxAND—Below MRL2024-11-07
PFUnAND—Below MRL2024-11-07
11Cl-PF3OUdSND—Below MRL2024-11-07
PFDAND—Below MRL2024-11-07
ADONAND—Below MRL2024-11-07
PFHpSND—Below MRL2024-11-07
6:2 FTSND—Below MRL2024-11-07
4:2 FTSND—Below MRL2024-11-07
8:2 FTSND—Below MRL2024-11-07
PFMPAND—Below MRL2024-11-07
PFPeAND—Below MRL2024-11-07
lithium11600—2024-08-07
lithium9600—2024-11-07
PFBA13—2024-02-07
PFBA12.1—2024-08-07
PFBA11.9—2024-05-08
PFBA9.9—2024-11-07

Next steps