PFAS Comply

ST PETERS PWS

PWSID: MO6010719 · ST PETERS, MO · Serving 52,575 people

Type: CWSOwner: LSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

Key contaminants vs MCL

PFOA4.9 ppt(MCL: 4 ppt)

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Detection summary

5
PFAS compounds detected
53100 ppt
Highest single detection
2024-09-23
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFDoAND—Below MRL2024-09-23
PFHxSND10Below MRL2024-03-12
PFNAND10Below MRL2024-03-12
PFOSND4Below MRL2024-03-12
PFBAND—Below MRL2024-03-12
PFUnAND—Below MRL2024-09-23
PFDAND—Below MRL2024-09-23
PFTAND—Below MRL2024-09-23
PFBSND—Below MRL2024-09-23
PFPeSND—Below MRL2024-09-23
ADONAND—Below MRL2024-09-23
11Cl-PF3OUdSND—Below MRL2024-09-23
PFOSND4Below MRL2024-09-23
PFNAND10Below MRL2024-09-23
PFHxSND10Below MRL2024-09-23
NMeFOSAAND—Below MRL2024-09-23
NEtFOSAAND—Below MRL2024-09-23
PFTrDAND—Below MRL2024-09-23
NMeFOSAAND—Below MRL2024-03-12
11Cl-PF3OUdSND—Below MRL2024-03-12
9Cl-PF3ONSND—Below MRL2024-03-12
ADONAND—Below MRL2024-03-12
PFTAND—Below MRL2024-03-12
NEtFOSAAND—Below MRL2024-03-12
PFTrDAND—Below MRL2024-03-12
PFPeSND—Below MRL2024-03-12
PFHpAND—Below MRL2024-03-12
HFPO-DAND10Below MRL2024-03-12
PFOAND4Below MRL2024-03-12
PFHpSND—Below MRL2024-03-12
PFEESAND—Below MRL2024-03-12
PFMBAND—Below MRL2024-03-12
PFPeAND—Below MRL2024-03-12
PFDAND—Below MRL2024-03-12
NFDHAND—Below MRL2024-03-12
PFBSND—Below MRL2024-03-12
PFUnAND—Below MRL2024-03-12
PFHxAND—Below MRL2024-03-12
PFDoAND—Below MRL2024-03-12
6:2 FTSND—Below MRL2024-03-12
PFMPAND—Below MRL2024-03-12
8:2 FTSND—Below MRL2024-03-12
4:2 FTSND—Below MRL2024-03-12
4:2 FTSND—Below MRL2024-07-01
HFPO-DAND10Below MRL2024-07-01
PFMPAND—Below MRL2024-07-01
6:2 FTSND—Below MRL2024-07-01
PFHpSND—Below MRL2024-07-01
8:2 FTSND—Below MRL2024-07-01
NEtFOSAAND—Below MRL2024-07-01
PFPeAND—Below MRL2024-07-01
PFMBAND—Below MRL2024-07-01
PFEESAND—Below MRL2024-07-01
NFDHAND—Below MRL2024-07-01
PFBAND—Below MRL2024-07-01
PFHxAND—Below MRL2024-07-01
PFBSND—Below MRL2024-07-01
PFHpAND—Below MRL2024-07-01
PFHxSND10Below MRL2024-07-01
PFNAND10Below MRL2024-07-01
PFOSND4Below MRL2024-07-01
PFOAND4Below MRL2024-07-01
PFTAND—Below MRL2024-07-01
PFDoAND—Below MRL2024-07-01
PFTrDAND—Below MRL2024-07-01
PFUnAND—Below MRL2024-07-01
11Cl-PF3OUdSND—Below MRL2024-07-01
9Cl-PF3ONSND—Below MRL2024-07-01
NMeFOSAAND—Below MRL2024-07-01
PFPeSND—Below MRL2024-07-01
ADONAND—Below MRL2024-07-01
PFDAND—Below MRL2024-07-01
PFDoAND—Below MRL2024-09-23
PFTAND—Below MRL2024-09-23
9Cl-PF3ONSND—Below MRL2024-09-23
ADONAND—Below MRL2024-09-23
HFPO-DAND10Below MRL2024-09-23
PFBAND—Below MRL2024-09-23
6:2 FTSND—Below MRL2024-09-23
4:2 FTSND—Below MRL2024-09-23
8:2 FTSND—Below MRL2024-09-23
PFMPAND—Below MRL2024-09-23
PFPeAND—Below MRL2024-09-23
PFMBAND—Below MRL2024-09-23
PFEESAND—Below MRL2024-09-23
NFDHAND—Below MRL2024-09-23
PFUnAND—Below MRL2024-09-23
PFHpSND—Below MRL2024-09-23
PFOSND4Below MRL2024-09-23
NMeFOSAAND—Below MRL2024-09-23
NEtFOSAAND—Below MRL2024-09-23
11Cl-PF3OUdSND—Below MRL2024-09-23
PFHxAND—Below MRL2024-09-23
PFPeSND—Below MRL2024-09-23
PFOAND4Below MRL2024-09-23
PFNAND10Below MRL2024-09-23
PFHxSND10Below MRL2024-09-23
PFHpAND—Below MRL2024-09-23
PFBSND—Below MRL2024-09-23
PFTrDAND—Below MRL2024-09-23
PFDAND—Below MRL2024-09-23
PFTAND—Below MRL2024-12-17
PFTrDAND—Below MRL2024-12-17
NEtFOSAAND—Below MRL2024-12-17
NFDHAND—Below MRL2024-12-17
PFHpSND—Below MRL2024-12-17
PFMBAND—Below MRL2024-12-17
NMeFOSAAND—Below MRL2024-12-17
PFPeAND—Below MRL2024-12-17
PFMPAND—Below MRL2024-12-17
8:2 FTSND—Below MRL2024-12-17
4:2 FTSND—Below MRL2024-12-17
6:2 FTSND—Below MRL2024-12-17
PFEESAND—Below MRL2024-12-17
PFBSND—Below MRL2024-12-17
PFPeSND—Below MRL2024-12-17
PFHpAND—Below MRL2024-12-17
11Cl-PF3OUdSND—Below MRL2024-12-17
HFPO-DAND10Below MRL2024-12-17
PFBAND—Below MRL2024-12-17
9Cl-PF3ONSND—Below MRL2024-12-17
PFHxSND10Below MRL2024-12-17
PFUnAND—Below MRL2024-12-17
PFHxAND—Below MRL2024-12-17
PFDoAND—Below MRL2024-12-17
PFDAND—Below MRL2024-12-17
PFOAND4Below MRL2024-12-17
PFOSND4Below MRL2024-12-17
PFNAND10Below MRL2024-12-17
ADONAND—Below MRL2024-12-17
PFUnAND—Below MRL2024-03-12
9Cl-PF3ONSND—Below MRL2024-03-12
PFOSND4Below MRL2024-03-12
PFBSND—Below MRL2024-03-12
PFHpAND—Below MRL2024-03-12
PFHxSND10Below MRL2024-03-12
PFDAND—Below MRL2024-03-12
PFDoAND—Below MRL2024-03-12
PFMPAND—Below MRL2024-03-12
11Cl-PF3OUdSND—Below MRL2024-03-12
PFMBAND—Below MRL2024-03-12
NEtFOSAAND—Below MRL2024-03-12
PFTrDAND—Below MRL2024-03-12
PFTAND—Below MRL2024-03-12
PFHpSND—Below MRL2024-03-12
PFNAND10Below MRL2024-03-12
PFEESAND—Below MRL2024-03-12
NMeFOSAAND—Below MRL2024-03-12
PFPeSND—Below MRL2024-03-12
8:2 FTSND—Below MRL2024-03-12
4:2 FTSND—Below MRL2024-03-12
6:2 FTSND—Below MRL2024-03-12
HFPO-DAND10Below MRL2024-03-12
ADONAND—Below MRL2024-03-12
NFDHAND—Below MRL2024-03-12
9Cl-PF3ONSND—Below MRL2024-09-23
PFHpAND—Below MRL2024-09-23
PFHpSND—Below MRL2024-09-23
NFDHAND—Below MRL2024-09-23
PFEESAND—Below MRL2024-09-23
PFMBAND—Below MRL2024-09-23
PFMPAND—Below MRL2024-09-23
8:2 FTSND—Below MRL2024-09-23
4:2 FTSND—Below MRL2024-09-23
6:2 FTSND—Below MRL2024-09-23
HFPO-DAND10Below MRL2024-09-23
lithium53100—2024-09-23
lithium36400—2024-12-17
lithium31500—2024-09-23
lithium30000—2024-03-12
lithium25300—2024-07-01
lithium21200—2024-03-12
PFBA10.6—2024-03-12
PFBA9.9—2024-09-23
PFPeA5.9—2024-09-23
PFHxA5.9—2024-09-23
PFPeA5.2—2024-03-12
PFOA4.94Exceeds2024-09-23
PFOA4.64Exceeds2024-03-12
PFHxA4.1—2024-03-12

Next steps