PFAS Comply

ST CHARLES PWS

PWSID: MO6010707 · ST CHARLES, MO · Serving 73,040 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
45100 ppt
Highest single detection
2024-09-30
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
9Cl-PF3ONSND—Below MRL2024-09-30
PFDoAND—Below MRL2024-09-30
PFHxAND—Below MRL2024-09-30
11Cl-PF3OUdSND—Below MRL2024-09-30
PFHpAND—Below MRL2024-09-30
6:2 FTSND—Below MRL2024-09-30
PFHpAND—Below MRL2024-03-11
PFEESAND—Below MRL2024-03-11
NMeFOSAAND—Below MRL2024-03-11
PFTrDAND—Below MRL2024-03-11
NEtFOSAAND—Below MRL2024-03-11
PFTAND—Below MRL2024-03-11
PFBAND—Below MRL2024-03-11
HFPO-DAND10Below MRL2024-03-11
6:2 FTSND—Below MRL2024-03-11
4:2 FTSND—Below MRL2024-03-11
8:2 FTSND—Below MRL2024-03-11
PFMBAND—Below MRL2024-03-11
PFBSND—Below MRL2024-03-11
PFHpSND—Below MRL2024-03-11
PFHxSND10Below MRL2024-03-11
PFNAND10Below MRL2024-03-11
PFOSND4Below MRL2024-03-11
PFOAND4Below MRL2024-03-11
PFDAND—Below MRL2024-03-11
PFDoAND—Below MRL2024-03-11
PFHxAND—Below MRL2024-03-11
PFUnAND—Below MRL2024-03-11
9Cl-PF3ONSND—Below MRL2024-03-11
ADONAND—Below MRL2024-03-11
11Cl-PF3OUdSND—Below MRL2024-03-11
PFMPAND—Below MRL2024-03-11
PFPeAND—Below MRL2024-03-11
PFPeSND—Below MRL2024-03-11
NFDHAND—Below MRL2024-03-11
PFBAND—Below MRL2024-06-05
PFUnAND—Below MRL2024-06-05
PFHxAND—Below MRL2024-06-05
PFDoAND—Below MRL2024-06-05
PFDAND—Below MRL2024-06-05
PFHpSND—Below MRL2024-06-05
PFPeSND—Below MRL2024-06-05
PFEESAND—Below MRL2024-06-05
PFPeAND—Below MRL2024-06-05
PFMPAND—Below MRL2024-06-05
8:2 FTSND—Below MRL2024-06-05
6:2 FTSND—Below MRL2024-06-05
HFPO-DAND10Below MRL2024-06-05
ADONAND—Below MRL2024-06-05
9Cl-PF3ONSND—Below MRL2024-06-05
11Cl-PF3OUdSND—Below MRL2024-06-05
PFOAND4Below MRL2024-06-05
PFOSND4Below MRL2024-06-05
PFNAND10Below MRL2024-06-05
PFHxSND10Below MRL2024-06-05
PFHpAND—Below MRL2024-06-05
PFBSND—Below MRL2024-06-05
PFMBAND—Below MRL2024-06-05
4:2 FTSND—Below MRL2024-06-05
NFDHAND—Below MRL2024-06-05
PFTrDAND—Below MRL2024-06-05
NEtFOSAAND—Below MRL2024-06-05
NMeFOSAAND—Below MRL2024-06-05
PFTAND—Below MRL2024-06-05
PFHxSND10Below MRL2024-09-30
PFDAND—Below MRL2024-09-30
PFOAND4Below MRL2024-09-30
PFOSND4Below MRL2024-09-30
4:2 FTSND—Below MRL2024-09-30
PFTrDAND—Below MRL2024-09-30
PFBAND—Below MRL2024-09-30
PFDoAND—Below MRL2024-09-30
HFPO-DAND10Below MRL2024-09-30
PFNAND10Below MRL2024-09-30
PFHpAND—Below MRL2024-09-30
PFBSND—Below MRL2024-09-30
PFTAND—Below MRL2024-09-30
PFHpSND—Below MRL2024-09-30
PFPeSND—Below MRL2024-09-30
6:2 FTSND—Below MRL2024-09-30
PFEESAND—Below MRL2024-09-30
PFHxAND—Below MRL2024-09-30
NMeFOSAAND—Below MRL2024-09-30
NEtFOSAAND—Below MRL2024-09-30
PFMBAND—Below MRL2024-09-30
PFUnAND—Below MRL2024-09-30
PFMPAND—Below MRL2024-09-30
8:2 FTSND—Below MRL2024-09-30
ADONAND—Below MRL2024-09-30
9Cl-PF3ONSND—Below MRL2024-09-30
11Cl-PF3OUdSND—Below MRL2024-09-30
PFPeAND—Below MRL2024-09-30
NFDHAND—Below MRL2024-09-30
PFHxSND10Below MRL2024-12-16
PFNAND10Below MRL2024-12-16
PFOSND4Below MRL2024-12-16
PFOAND4Below MRL2024-12-16
PFDAND—Below MRL2024-12-16
PFHxAND—Below MRL2024-12-16
9Cl-PF3ONSND—Below MRL2024-12-16
ADONAND—Below MRL2024-12-16
PFDoAND—Below MRL2024-12-16
PFHpAND—Below MRL2024-12-16
11Cl-PF3OUdSND—Below MRL2024-12-16
NMeFOSAAND—Below MRL2024-12-16
PFBSND—Below MRL2024-12-16
PFTAND—Below MRL2024-12-16
PFUnAND—Below MRL2024-12-16
NEtFOSAAND—Below MRL2024-12-16
HFPO-DAND10Below MRL2024-12-16
PFBAND—Below MRL2024-12-16
6:2 FTSND—Below MRL2024-12-16
4:2 FTSND—Below MRL2024-12-16
PFPeSND—Below MRL2024-12-16
PFMPAND—Below MRL2024-12-16
PFPeAND—Below MRL2024-12-16
PFMBAND—Below MRL2024-12-16
PFHpSND—Below MRL2024-12-16
PFEESAND—Below MRL2024-12-16
NFDHAND—Below MRL2024-12-16
8:2 FTSND—Below MRL2024-12-16
PFTrDAND—Below MRL2024-12-16
PFPeAND—Below MRL2024-03-11
PFPeSND—Below MRL2024-03-11
PFMPAND—Below MRL2024-03-11
PFMBAND—Below MRL2024-03-11
PFEESAND—Below MRL2024-03-11
PFBSND—Below MRL2024-03-11
PFHpAND—Below MRL2024-03-11
PFHxSND10Below MRL2024-03-11
PFTAND—Below MRL2024-03-11
PFTrDAND—Below MRL2024-03-11
NEtFOSAAND—Below MRL2024-03-11
PFNAND10Below MRL2024-03-11
NMeFOSAAND—Below MRL2024-03-11
PFDAND—Below MRL2024-03-11
ADONAND—Below MRL2024-03-11
PFOAND4Below MRL2024-03-11
PFUnAND—Below MRL2024-03-11
PFHxAND—Below MRL2024-03-11
9Cl-PF3ONSND—Below MRL2024-03-11
PFDoAND—Below MRL2024-03-11
HFPO-DAND10Below MRL2024-03-11
PFBAND—Below MRL2024-03-11
6:2 FTSND—Below MRL2024-03-11
4:2 FTSND—Below MRL2024-03-11
8:2 FTSND—Below MRL2024-03-11
NFDHAND—Below MRL2024-03-11
PFHpSND—Below MRL2024-03-11
PFOSND4Below MRL2024-03-11
11Cl-PF3OUdSND—Below MRL2024-03-11
PFEESAND—Below MRL2024-09-30
PFBAND—Below MRL2024-09-30
PFPeAND—Below MRL2024-09-30
PFPeSND—Below MRL2024-09-30
PFMPAND—Below MRL2024-09-30
PFMBAND—Below MRL2024-09-30
NFDHAND—Below MRL2024-09-30
PFHpSND—Below MRL2024-09-30
ADONAND—Below MRL2024-09-30
PFTAND—Below MRL2024-09-30
PFTrDAND—Below MRL2024-09-30
NEtFOSAAND—Below MRL2024-09-30
PFNAND10Below MRL2024-09-30
NMeFOSAAND—Below MRL2024-09-30
8:2 FTSND—Below MRL2024-09-30
HFPO-DAND10Below MRL2024-09-30
4:2 FTSND—Below MRL2024-09-30
PFOSND4Below MRL2024-09-30
PFOAND4Below MRL2024-09-30
PFUnAND—Below MRL2024-09-30
PFBSND—Below MRL2024-09-30
PFHxSND10Below MRL2024-09-30
PFDAND—Below MRL2024-09-30
lithium45100—2024-09-30
lithium35800—2024-12-16
lithium28300—2024-03-11
lithium19500—2024-03-11
lithium14800—2024-06-05
lithium12300—2024-09-30

Next steps