PFAS Comply

DOW USA, LA DIVISION

PWSID: LA2047003 · PLAQUEMINE, LA · Serving 3,960 people

Type: NTNCWSOwner: PSource: SW
Settlement eligible
May qualify for 3M/DuPont settlement funds
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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
10300 ppt
Highest single detection
2025-07-23
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
11Cl-PF3OUdSND—Below MRL2025-10-14
11Cl-PF3OUdSND—Below MRL2025-01-08
PFUnAND—Below MRL2025-01-08
PFDoAND—Below MRL2025-01-08
PFOAND4Below MRL2025-01-08
PFOSND4Below MRL2025-01-08
PFNAND10Below MRL2025-01-08
PFHpAND—Below MRL2025-01-08
PFHxAND—Below MRL2025-01-08
lithiumND—Below MRL2025-01-08
9Cl-PF3ONSND—Below MRL2025-01-08
PFHxSND10Below MRL2025-01-08
PFPeSND—Below MRL2025-01-08
PFTAND—Below MRL2025-01-08
ADONAND—Below MRL2025-01-08
PFDAND—Below MRL2025-01-08
PFHpSND—Below MRL2025-01-08
NMeFOSAAND—Below MRL2025-01-08
NEtFOSAAND—Below MRL2025-01-08
NFDHAND—Below MRL2025-01-08
PFEESAND—Below MRL2025-01-08
PFTrDAND—Below MRL2025-01-08
PFPeAND—Below MRL2025-01-08
PFMPAND—Below MRL2025-01-08
8:2 FTSND—Below MRL2025-01-08
4:2 FTSND—Below MRL2025-01-08
6:2 FTSND—Below MRL2025-01-08
PFMBAND—Below MRL2025-01-08
HFPO-DAND10Below MRL2025-01-08
PFBAND—Below MRL2025-01-08
PFHxAND—Below MRL2025-04-23
PFDoAND—Below MRL2025-04-23
PFDAND—Below MRL2025-04-23
PFOAND4Below MRL2025-04-23
PFHxSND10Below MRL2025-04-23
PFHpAND—Below MRL2025-04-23
NEtFOSAAND—Below MRL2025-04-23
NMeFOSAAND—Below MRL2025-04-23
PFTAND—Below MRL2025-04-23
PFTrDAND—Below MRL2025-04-23
PFNAND10Below MRL2025-04-23
6:2 FTSND—Below MRL2025-04-23
PFBSND—Below MRL2025-04-23
8:2 FTSND—Below MRL2025-04-23
PFPeSND—Below MRL2025-04-23
lithiumND—Below MRL2025-04-23
NFDHAND—Below MRL2025-04-23
PFEESAND—Below MRL2025-04-23
PFHpSND—Below MRL2025-04-23
PFMBAND—Below MRL2025-04-23
HFPO-DAND10Below MRL2025-04-23
PFMPAND—Below MRL2025-04-23
PFOSND4Below MRL2025-04-23
4:2 FTSND—Below MRL2025-04-23
PFBAND—Below MRL2025-04-23
ADONAND—Below MRL2025-04-23
9Cl-PF3ONSND—Below MRL2025-04-23
11Cl-PF3OUdSND—Below MRL2025-04-23
PFUnAND—Below MRL2025-04-23
PFPeAND—Below MRL2025-04-23
PFEESAND—Below MRL2025-07-23
ADONAND—Below MRL2025-07-23
lithiumND—Below MRL2025-07-23
PFBSND—Below MRL2025-07-23
PFHpAND—Below MRL2025-07-23
PFHxSND10Below MRL2025-07-23
PFNAND10Below MRL2025-07-23
PFOSND4Below MRL2025-07-23
PFOAND4Below MRL2025-07-23
PFDAND—Below MRL2025-07-23
PFDoAND—Below MRL2025-07-23
PFHxAND—Below MRL2025-07-23
PFUnAND—Below MRL2025-07-23
PFPeSND—Below MRL2025-07-23
9Cl-PF3ONSND—Below MRL2025-07-23
PFPeAND—Below MRL2025-07-23
PFTrDAND—Below MRL2025-07-23
NEtFOSAAND—Below MRL2025-07-23
NMeFOSAAND—Below MRL2025-07-23
PFHpSND—Below MRL2025-07-23
11Cl-PF3OUdSND—Below MRL2025-07-23
PFMBAND—Below MRL2025-07-23
PFTAND—Below MRL2025-07-23
PFMPAND—Below MRL2025-07-23
8:2 FTSND—Below MRL2025-07-23
4:2 FTSND—Below MRL2025-07-23
6:2 FTSND—Below MRL2025-07-23
PFBAND—Below MRL2025-07-23
HFPO-DAND10Below MRL2025-07-23
NFDHAND—Below MRL2025-07-23
8:2 FTSND—Below MRL2025-10-14
PFHxAND—Below MRL2025-10-14
PFHpSND—Below MRL2025-10-14
PFPeSND—Below MRL2025-10-14
NFDHAND—Below MRL2025-10-14
PFEESAND—Below MRL2025-10-14
PFPeAND—Below MRL2025-10-14
PFMPAND—Below MRL2025-10-14
4:2 FTSND—Below MRL2025-10-14
6:2 FTSND—Below MRL2025-10-14
PFBAND—Below MRL2025-10-14
HFPO-DAND10Below MRL2025-10-14
ADONAND—Below MRL2025-10-14
9Cl-PF3ONSND—Below MRL2025-10-14
PFMBAND—Below MRL2025-10-14
PFUnAND—Below MRL2025-10-14
PFTAND—Below MRL2025-10-14
PFDoAND—Below MRL2025-10-14
PFDAND—Below MRL2025-10-14
PFOAND4Below MRL2025-10-14
PFOSND4Below MRL2025-10-14
PFNAND10Below MRL2025-10-14
PFHxSND10Below MRL2025-10-14
PFHpAND—Below MRL2025-10-14
PFBSND—Below MRL2025-10-14
PFBSND—Below MRL2025-01-08
NMeFOSAAND—Below MRL2025-10-14
NEtFOSAAND—Below MRL2025-10-14
PFTrDAND—Below MRL2025-10-14
lithium10300—2025-10-14

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