PFAS Comply

ST. JOHN MUNICIPAL WATER UTILITY

PWSID: IN5245043 · ST. JOHN, IN · Serving 25,700 people

Type: CWSOwner: LSource: GW
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
83800 ppt
Highest single detection
2025-09-24
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFTrDAND—Below MRL2025-10-15
11Cl-PF3OUdSND—Below MRL2025-03-19
PFUnAND—Below MRL2025-03-19
PFHxAND—Below MRL2025-03-19
PFDoAND—Below MRL2025-03-19
PFDAND—Below MRL2025-03-19
PFOAND4Below MRL2025-03-19
PFOSND4Below MRL2025-03-19
PFHxSND10Below MRL2025-03-19
PFBSND—Below MRL2025-03-19
8:2 FTSND—Below MRL2025-10-15
4:2 FTSND—Below MRL2025-10-15
6:2 FTSND—Below MRL2025-10-15
PFHpAND—Below MRL2025-03-19
9Cl-PF3ONSND—Below MRL2025-03-19
PFNAND10Below MRL2025-03-19
PFPeAND—Below MRL2025-03-19
NMeFOSAAND—Below MRL2025-03-19
PFHpSND—Below MRL2025-03-19
NEtFOSAAND—Below MRL2025-03-19
PFPeSND—Below MRL2025-03-19
NFDHAND—Below MRL2025-03-19
PFTAND—Below MRL2025-03-19
PFMBAND—Below MRL2025-03-19
ADONAND—Below MRL2025-03-19
PFMPAND—Below MRL2025-03-19
8:2 FTSND—Below MRL2025-03-19
4:2 FTSND—Below MRL2025-03-19
6:2 FTSND—Below MRL2025-03-19
PFBAND—Below MRL2025-03-19
HFPO-DAND10Below MRL2025-03-19
PFEESAND—Below MRL2025-03-19
PFTrDAND—Below MRL2025-03-19
8:2 FTSND—Below MRL2025-09-24
PFTAND—Below MRL2025-09-24
PFHpSND—Below MRL2025-09-24
PFPeSND—Below MRL2025-09-24
NFDHAND—Below MRL2025-09-24
PFEESAND—Below MRL2025-09-24
PFMBAND—Below MRL2025-09-24
PFMPAND—Below MRL2025-09-24
4:2 FTSND—Below MRL2025-09-24
6:2 FTSND—Below MRL2025-09-24
PFBAND—Below MRL2025-09-24
HFPO-DAND10Below MRL2025-09-24
ADONAND—Below MRL2025-09-24
NMeFOSAAND—Below MRL2025-09-24
PFPeAND—Below MRL2025-09-24
NEtFOSAAND—Below MRL2025-09-24
9Cl-PF3ONSND—Below MRL2025-09-24
PFBSND—Below MRL2025-09-24
PFHpAND—Below MRL2025-09-24
PFHxSND10Below MRL2025-09-24
PFNAND10Below MRL2025-09-24
PFOSND4Below MRL2025-09-24
PFOAND4Below MRL2025-09-24
PFDAND—Below MRL2025-09-24
PFDoAND—Below MRL2025-09-24
PFHxAND—Below MRL2025-09-24
PFUnAND—Below MRL2025-09-24
11Cl-PF3OUdSND—Below MRL2025-09-24
PFTrDAND—Below MRL2025-09-24
PFHxAND—Below MRL2025-03-13
PFTrDAND—Below MRL2025-03-13
PFTAND—Below MRL2025-03-13
PFHpSND—Below MRL2025-03-13
PFPeSND—Below MRL2025-03-13
NFDHAND—Below MRL2025-03-13
PFOAND4Below MRL2025-03-13
PFOSND4Below MRL2025-03-13
PFNAND10Below MRL2025-03-13
PFUnAND—Below MRL2025-03-13
NEtFOSAAND—Below MRL2025-03-13
PFDoAND—Below MRL2025-03-13
4:2 FTSND—Below MRL2025-03-13
PFHxSND10Below MRL2025-03-13
PFEESAND—Below MRL2025-03-13
PFBAND—Below MRL2025-03-13
NMeFOSAAND—Below MRL2025-03-13
PFMBAND—Below MRL2025-03-13
PFPeAND—Below MRL2025-03-13
PFMPAND—Below MRL2025-03-13
8:2 FTSND—Below MRL2025-03-13
PFDAND—Below MRL2025-03-13
HFPO-DAND10Below MRL2025-03-13
ADONAND—Below MRL2025-03-13
9Cl-PF3ONSND—Below MRL2025-03-13
11Cl-PF3OUdSND—Below MRL2025-03-13
PFHpAND—Below MRL2025-03-13
PFBSND—Below MRL2025-03-13
6:2 FTSND—Below MRL2025-03-13
PFHxSND10Below MRL2025-10-15
ADONAND—Below MRL2025-10-15
9Cl-PF3ONSND—Below MRL2025-10-15
11Cl-PF3OUdSND—Below MRL2025-10-15
PFUnAND—Below MRL2025-10-15
PFHxAND—Below MRL2025-10-15
PFDoAND—Below MRL2025-10-15
PFDAND—Below MRL2025-10-15
PFOAND4Below MRL2025-10-15
PFBSND—Below MRL2025-10-15
PFNAND10Below MRL2025-10-15
PFHpAND—Below MRL2025-10-15
HFPO-DAND10Below MRL2025-10-15
PFOSND4Below MRL2025-10-15
PFHpSND—Below MRL2025-10-15
NMeFOSAAND—Below MRL2025-10-15
NEtFOSAAND—Below MRL2025-10-15
PFBAND—Below MRL2025-10-15
PFTAND—Below MRL2025-10-15
PFPeSND—Below MRL2025-10-15
NFDHAND—Below MRL2025-10-15
PFEESAND—Below MRL2025-10-15
PFMBAND—Below MRL2025-10-15
PFPeAND—Below MRL2025-10-15
PFMPAND—Below MRL2025-10-15
lithium83800—2025-09-24
lithium71600—2025-10-15
lithium37600—2025-03-19
lithium37500—2025-03-13

Next steps