PFAS Comply

ST JOHN WATER DISTRICT 3

PWSID: LA1095007 · LAPLACE, LA · Serving 31,965 people

Type: CWSOwner: LSource: GW
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

0
PFAS compounds detected
N/A ppt
Highest single detection
2025-03-25
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFDAND—Below MRL2025-03-25
PFBAND—Below MRL2025-03-25
ADONAND—Below MRL2025-03-25
9Cl-PF3ONSND—Below MRL2025-03-25
11Cl-PF3OUdSND—Below MRL2025-03-25
PFUnAND—Below MRL2025-03-25
PFDoAND—Below MRL2025-03-25
PFPeAND—Below MRL2025-03-25
PFOAND4Below MRL2025-03-25
PFOSND4Below MRL2025-03-25
PFHxAND—Below MRL2025-03-25
4:2 FTSND—Below MRL2025-03-25
PFNAND10Below MRL2025-03-25
PFMPAND—Below MRL2025-03-25
HFPO-DAND10Below MRL2025-03-25
PFMBAND—Below MRL2025-03-25
PFEESAND—Below MRL2025-03-25
NFDHAND—Below MRL2025-03-25
PFPeSND—Below MRL2025-03-25
PFHpSND—Below MRL2025-03-25
lithiumND—Below MRL2025-03-25
PFTAND—Below MRL2025-03-25
PFTrDAND—Below MRL2025-03-25
NEtFOSAAND—Below MRL2025-03-25
NMeFOSAAND—Below MRL2025-03-25
8:2 FTSND—Below MRL2025-03-25
6:2 FTSND—Below MRL2025-03-25
PFHxSND10Below MRL2025-03-25
PFHpAND—Below MRL2025-03-25
PFBSND—Below MRL2025-03-25

Next steps