PFAS Comply

LOUISVILLE WATER COMPANY

PWSID: KY0560258 · LOUISVILLE, KY · Serving 764,769 people

Type: CWSOwner: PSource: 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

PFOA7.5 ppt(MCL: 4 ppt)

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

Detection summary

4
PFAS compounds detected
7.5 ppt
Highest single detection
2023-09-27
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFBAND—Below MRL2023-08-16
PFEESAND—Below MRL2023-02-15
4:2 FTSND—Below MRL2023-02-15
8:2 FTSND—Below MRL2023-02-15
PFMPAND—Below MRL2023-02-15
PFPeAND—Below MRL2023-02-15
PFMBAND—Below MRL2023-02-15
6:2 FTSND—Below MRL2023-02-15
NFDHAND—Below MRL2023-02-15
PFPeSND—Below MRL2023-02-15
PFHpSND—Below MRL2023-02-15
PFTAND—Below MRL2023-02-15
PFTrDAND—Below MRL2023-02-15
NEtFOSAAND—Below MRL2023-02-15
lithiumND—Below MRL2023-02-15
HFPO-DAND10Below MRL2023-02-15
PFDAND—Below MRL2023-02-15
NMeFOSAAND—Below MRL2023-02-15
PFHpAND—Below MRL2023-02-15
PFHxAND—Below MRL2023-02-15
ADONAND—Below MRL2023-02-15
PFBSND—Below MRL2023-02-15
PFHxSND10Below MRL2023-02-15
PFNAND10Below MRL2023-02-15
PFOSND4Below MRL2023-02-15
PFDoAND—Below MRL2023-02-15
PFUnAND—Below MRL2023-02-15
9Cl-PF3ONSND—Below MRL2023-02-15
PFOAND4Below MRL2023-02-15
11Cl-PF3OUdSND—Below MRL2023-02-15
PFUnAND—Below MRL2023-05-18
lithiumND—Below MRL2023-05-18
11Cl-PF3OUdSND—Below MRL2023-05-18
PFNAND10Below MRL2023-05-18
PFHxSND10Below MRL2023-05-18
PFHxAND—Below MRL2023-05-18
PFBSND—Below MRL2023-05-18
ADONAND—Below MRL2023-05-18
PFPeAND—Below MRL2023-05-18
PFDAND—Below MRL2023-05-18
PFDoAND—Below MRL2023-05-18
PFHpAND—Below MRL2023-05-18
HFPO-DAND10Below MRL2023-05-18
PFBAND—Below MRL2023-05-18
6:2 FTSND—Below MRL2023-05-18
PFHpSND—Below MRL2023-05-18
4:2 FTSND—Below MRL2023-05-18
PFMPAND—Below MRL2023-05-18
PFPeSND—Below MRL2023-05-18
NFDHAND—Below MRL2023-05-18
PFEESAND—Below MRL2023-05-18
PFMBAND—Below MRL2023-05-18
PFOSND4Below MRL2023-05-18
PFOAND4Below MRL2023-05-18
8:2 FTSND—Below MRL2023-05-18
NMeFOSAAND—Below MRL2023-05-18
NEtFOSAAND—Below MRL2023-05-18
PFTrDAND—Below MRL2023-05-18
PFTAND—Below MRL2023-05-18
9Cl-PF3ONSND—Below MRL2023-05-18
PFTAND—Below MRL2023-08-16
PFNAND10Below MRL2023-08-16
PFHxSND10Below MRL2023-08-16
PFHpAND—Below MRL2023-08-16
PFBSND—Below MRL2023-08-16
ADONAND—Below MRL2023-08-16
PFBAND—Below MRL2023-02-15
PFOSND4Below MRL2023-09-27
PFNAND10Below MRL2023-09-27
PFHxSND10Below MRL2023-09-27
NMeFOSAAND—Below MRL2023-08-16
PFDAND—Below MRL2023-09-27
PFTrDAND—Below MRL2023-08-16
PFHpAND—Below MRL2023-09-27
PFBAND—Below MRL2023-09-27
NEtFOSAAND—Below MRL2023-08-16
PFMBAND—Below MRL2023-09-27
6:2 FTSND—Below MRL2023-09-27
4:2 FTSND—Below MRL2023-09-27
8:2 FTSND—Below MRL2023-09-27
PFMPAND—Below MRL2023-09-27
lithiumND—Below MRL2023-08-16
PFDoAND—Below MRL2023-09-27
PFEESAND—Below MRL2023-09-27
NFDHAND—Below MRL2023-09-27
PFPeSND—Below MRL2023-09-27
PFUnAND—Below MRL2023-09-27
PFHpSND—Below MRL2023-09-27
11Cl-PF3OUdSND—Below MRL2023-09-27
9Cl-PF3ONSND—Below MRL2023-09-27
HFPO-DAND10Below MRL2023-09-27
ADONAND—Below MRL2023-09-27
ADONAND—Below MRL2023-11-15
PFUnAND—Below MRL2023-11-15
PFMPAND—Below MRL2023-11-15
PFMBAND—Below MRL2023-11-15
lithiumND—Below MRL2023-11-15
PFBSND—Below MRL2023-11-15
6:2 FTSND—Below MRL2023-11-15
PFDAND—Below MRL2023-11-15
PFBAND—Below MRL2023-11-15
PFDoAND—Below MRL2023-11-15
11Cl-PF3OUdSND—Below MRL2023-11-15
9Cl-PF3ONSND—Below MRL2023-11-15
PFHpAND—Below MRL2023-11-15
8:2 FTSND—Below MRL2023-11-15
HFPO-DAND10Below MRL2023-11-15
PFOAND4Below MRL2023-11-15
PFPeSND—Below MRL2023-11-15
PFHpSND—Below MRL2023-11-15
PFEESAND—Below MRL2023-11-15
PFTAND—Below MRL2023-11-15
PFTrDAND—Below MRL2023-11-15
NEtFOSAAND—Below MRL2023-11-15
NMeFOSAAND—Below MRL2023-11-15
PFHxSND10Below MRL2023-11-15
PFNAND10Below MRL2023-11-15
4:2 FTSND—Below MRL2023-11-15
PFOSND4Below MRL2023-11-15
NFDHAND—Below MRL2023-11-15
PFMBAND—Below MRL2023-02-15
PFUnAND—Below MRL2023-02-15
ADONAND—Below MRL2023-02-15
HFPO-DAND10Below MRL2023-02-15
PFBAND—Below MRL2023-02-15
6:2 FTSND—Below MRL2023-02-15
4:2 FTSND—Below MRL2023-02-15
8:2 FTSND—Below MRL2023-02-15
PFHxAND—Below MRL2023-02-15
PFPeAND—Below MRL2023-02-15
PFOAND4Below MRL2023-02-15
NFDHAND—Below MRL2023-02-15
PFPeSND—Below MRL2023-02-15
PFHpSND—Below MRL2023-02-15
PFMPAND—Below MRL2023-02-15
PFBSND—Below MRL2023-02-15
PFTAND—Below MRL2023-02-15
PFTrDAND—Below MRL2023-02-15
NEtFOSAAND—Below MRL2023-02-15
NMeFOSAAND—Below MRL2023-02-15
PFDoAND—Below MRL2023-02-15
9Cl-PF3ONSND—Below MRL2023-02-15
PFEESAND—Below MRL2023-02-15
PFHpAND—Below MRL2023-02-15
PFHxSND10Below MRL2023-02-15
PFNAND10Below MRL2023-02-15
PFOSND4Below MRL2023-02-15
lithiumND—Below MRL2023-02-15
PFDAND—Below MRL2023-02-15
11Cl-PF3OUdSND—Below MRL2023-02-15
PFMBAND—Below MRL2023-08-16
9Cl-PF3ONSND—Below MRL2023-08-16
NMeFOSAAND—Below MRL2023-08-16
NEtFOSAAND—Below MRL2023-08-16
PFTrDAND—Below MRL2023-08-16
PFTAND—Below MRL2023-08-16
PFHpSND—Below MRL2023-08-16
PFPeSND—Below MRL2023-08-16
NFDHAND—Below MRL2023-08-16
PFEESAND—Below MRL2023-08-16
PFPeAND—Below MRL2023-08-16
8:2 FTSND—Below MRL2023-08-16
4:2 FTSND—Below MRL2023-08-16
6:2 FTSND—Below MRL2023-08-16
PFMPAND—Below MRL2023-08-16
HFPO-DAND10Below MRL2023-08-16
lithiumND—Below MRL2023-08-16
11Cl-PF3OUdSND—Below MRL2023-08-16
PFUnAND—Below MRL2023-08-16
PFHxAND—Below MRL2023-08-16
PFDoAND—Below MRL2023-08-16
PFDAND—Below MRL2023-08-16
PFOAND4Below MRL2023-08-16
PFOSND4Below MRL2023-08-16
PFOA7.54Exceeds2023-09-27
PFPeA4.1—2023-11-15
PFPeA3.9—2023-09-27
PFHxA3.6—2023-11-15
PFHxA3.4—2023-09-27
PFBS3—2023-09-27

Next steps