PFAS Comply

WILLIAMSTON, CITY OF

PWSID: MI0007120 · WILLIAMSTON, MI · Serving 3,917 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
30000 ppt
Highest single detection
2025-09-17
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
8:2 FTSND—Below MRL2025-09-17
11Cl-PF3OUdSND—Below MRL2025-03-12
PFUnAND—Below MRL2025-03-12
PFHxAND—Below MRL2025-03-12
PFDoAND—Below MRL2025-03-12
PFDAND—Below MRL2025-03-12
PFBSND—Below MRL2025-03-12
PFOAND4Below MRL2025-03-12
PFNAND10Below MRL2025-03-12
PFHpAND—Below MRL2025-03-12
9Cl-PF3ONSND—Below MRL2025-03-12
PFEESAND—Below MRL2025-03-12
PFOSND4Below MRL2025-03-12
ADONAND—Below MRL2025-03-12
HFPO-DAND10Below MRL2025-03-12
PFBAND—Below MRL2025-03-12
6:2 FTSND—Below MRL2025-03-12
4:2 FTSND—Below MRL2025-03-12
8:2 FTSND—Below MRL2025-03-12
PFMPAND—Below MRL2025-03-12
PFMBAND—Below MRL2025-03-12
NFDHAND—Below MRL2025-03-12
PFPeSND—Below MRL2025-03-12
PFHpSND—Below MRL2025-03-12
PFTrDAND—Below MRL2025-03-12
NEtFOSAAND—Below MRL2025-03-12
PFPeAND—Below MRL2025-03-12
PFTAND—Below MRL2025-03-12
NMeFOSAAND—Below MRL2025-03-12
4:2 FTSND—Below MRL2025-09-17
PFHxSND10Below MRL2025-03-12
PFTAND—Below MRL2025-09-17
PFDoAND—Below MRL2025-09-17
PFDAND—Below MRL2025-09-17
PFOAND4Below MRL2025-09-17
PFOSND4Below MRL2025-09-17
PFNAND10Below MRL2025-09-17
PFHxSND10Below MRL2025-09-17
PFHxAND—Below MRL2025-09-17
PFHpAND—Below MRL2025-09-17
PFTrDAND—Below MRL2025-09-17
NEtFOSAAND—Below MRL2025-09-17
NMeFOSAAND—Below MRL2025-09-17
PFBSND—Below MRL2025-09-17
PFPeAND—Below MRL2025-09-17
6:2 FTSND—Below MRL2025-09-17
PFUnAND—Below MRL2025-09-17
PFPeSND—Below MRL2025-09-17
NFDHAND—Below MRL2025-09-17
PFMBAND—Below MRL2025-09-17
PFHpSND—Below MRL2025-09-17
PFMPAND—Below MRL2025-09-17
ADONAND—Below MRL2025-09-17
11Cl-PF3OUdSND—Below MRL2025-09-17
PFEESAND—Below MRL2025-09-17
9Cl-PF3ONSND—Below MRL2025-09-17
HFPO-DAND10Below MRL2025-09-17
PFBAND—Below MRL2025-09-17
lithium30000—2025-03-12
lithium24000—2025-09-17

Next steps