PFAS Comply

SAUKVILLE WATERWORKS

PWSID: WI2460134 · SAUKVILLE, WI · Serving 4,268 people

Type: CWSOwner: LSource: GW
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

PFOA4.2 ppt(MCL: 4 ppt)
PFOS31 ppt(MCL: 4 ppt)

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

Detection summary

9
PFAS compounds detected
73 ppt
Highest single detection
2025-08-19
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFBAND—Below MRL2025-08-19
PFTrDAND—Below MRL2025-02-25
6:2 FTSND—Below MRL2025-08-19
NMeFOSAAND—Below MRL2025-08-19
NEtFOSAAND—Below MRL2025-08-19
PFTrDAND—Below MRL2025-08-19
PFTAND—Below MRL2025-08-19
lithiumND—Below MRL2025-08-19
PFHpSND—Below MRL2025-08-19
PFPeSND—Below MRL2025-08-19
NFDHAND—Below MRL2025-08-19
PFMBAND—Below MRL2025-08-19
PFPeAND—Below MRL2025-08-19
PFMPAND—Below MRL2025-08-19
PFHpAND—Below MRL2025-08-19
4:2 FTSND—Below MRL2025-08-19
PFEESAND—Below MRL2025-08-19
HFPO-DAND10Below MRL2025-08-19
9Cl-PF3ONSND—Below MRL2025-08-19
11Cl-PF3OUdSND—Below MRL2025-08-19
PFUnAND—Below MRL2025-08-19
PFHxAND—Below MRL2025-08-19
PFDoAND—Below MRL2025-08-19
PFDAND—Below MRL2025-08-19
PFOAND4Below MRL2025-08-19
PFOSND4Below MRL2025-08-19
ADONAND—Below MRL2025-08-19
PFHxSND10Below MRL2025-08-19
8:2 FTSND—Below MRL2025-08-19
6:2 FTSND—Below MRL2025-02-25
PFDoAND—Below MRL2025-02-25
PFDAND—Below MRL2025-02-25
PFUnAND—Below MRL2025-02-25
PFNAND10Below MRL2025-02-25
4:2 FTSND—Below MRL2025-02-25
NEtFOSAAND—Below MRL2025-02-25
PFTAND—Below MRL2025-02-25
lithiumND—Below MRL2025-02-25
ADONAND—Below MRL2025-02-25
NMeFOSAAND—Below MRL2025-02-25
9Cl-PF3ONSND—Below MRL2025-02-25
11Cl-PF3OUdSND—Below MRL2025-02-25
PFHpSND—Below MRL2025-02-25
NFDHAND—Below MRL2025-02-25
PFEESAND—Below MRL2025-02-25
PFMBAND—Below MRL2025-02-25
PFMPAND—Below MRL2025-02-25
8:2 FTSND—Below MRL2025-02-25
HFPO-DAND10Below MRL2025-02-25
HFPO-DAND10Below MRL2025-08-19
ADONAND—Below MRL2025-08-19
9Cl-PF3ONSND—Below MRL2025-08-19
11Cl-PF3OUdSND—Below MRL2025-08-19
PFUnAND—Below MRL2025-08-19
PFDoAND—Below MRL2025-08-19
PFOAND4Below MRL2025-08-19
PFNAND10Below MRL2025-08-19
PFHpAND—Below MRL2025-08-19
NMeFOSAAND—Below MRL2025-08-19
PFDAND—Below MRL2025-08-19
6:2 FTSND—Below MRL2025-08-19
lithiumND—Below MRL2025-08-19
NEtFOSAAND—Below MRL2025-08-19
PFTrDAND—Below MRL2025-08-19
PFTAND—Below MRL2025-08-19
PFHpSND—Below MRL2025-08-19
PFEESAND—Below MRL2025-08-19
PFMBAND—Below MRL2025-08-19
PFMPAND—Below MRL2025-08-19
NFDHAND—Below MRL2025-08-19
4:2 FTSND—Below MRL2025-08-19
8:2 FTSND—Below MRL2025-08-19
PFMPAND—Below MRL2025-02-26
PFHxSND10Below MRL2025-02-26
PFPeAND—Below MRL2025-02-26
PFMBAND—Below MRL2025-02-26
PFEESAND—Below MRL2025-02-26
NFDHAND—Below MRL2025-02-26
PFPeSND—Below MRL2025-02-26
PFHpSND—Below MRL2025-02-26
PFDAND—Below MRL2025-02-26
PFBSND—Below MRL2025-02-26
PFHpAND—Below MRL2025-02-26
PFOSND4Below MRL2025-02-26
NMeFOSAAND—Below MRL2025-02-26
PFOAND4Below MRL2025-02-26
8:2 FTSND—Below MRL2025-02-26
4:2 FTSND—Below MRL2025-02-26
PFDoAND—Below MRL2025-02-26
lithiumND—Below MRL2025-02-26
NEtFOSAAND—Below MRL2025-02-26
PFTrDAND—Below MRL2025-02-26
PFNAND10Below MRL2025-02-26
PFTAND—Below MRL2025-02-26
6:2 FTSND—Below MRL2025-02-26
PFBAND—Below MRL2025-02-26
HFPO-DAND10Below MRL2025-02-26
ADONAND—Below MRL2025-02-26
9Cl-PF3ONSND—Below MRL2025-02-26
11Cl-PF3OUdSND—Below MRL2025-02-26
PFUnAND—Below MRL2025-02-26
PFHxAND—Below MRL2025-02-26
PFHpAND—Below MRL2025-08-19
9Cl-PF3ONSND—Below MRL2025-08-19
NEtFOSAAND—Below MRL2025-08-19
PFNAND10Below MRL2025-08-19
PFOSND4Below MRL2025-08-19
PFOAND4Below MRL2025-08-19
PFDAND—Below MRL2025-08-19
PFHxSND10Below MRL2025-08-19
PFDoAND—Below MRL2025-08-19
PFHxAND—Below MRL2025-08-19
PFBSND—Below MRL2025-08-19
11Cl-PF3OUdSND—Below MRL2025-08-19
4:2 FTSND—Below MRL2025-08-19
ADONAND—Below MRL2025-08-19
lithiumND—Below MRL2025-08-19
NMeFOSAAND—Below MRL2025-08-19
PFTAND—Below MRL2025-08-19
PFUnAND—Below MRL2025-08-19
PFBAND—Below MRL2025-08-19
PFTrDAND—Below MRL2025-08-19
PFMPAND—Below MRL2025-08-19
HFPO-DAND10Below MRL2025-08-19
PFHpSND—Below MRL2025-08-19
6:2 FTSND—Below MRL2025-08-19
8:2 FTSND—Below MRL2025-08-19
PFPeAND—Below MRL2025-08-19
PFMBAND—Below MRL2025-08-19
PFEESAND—Below MRL2025-08-19
NFDHAND—Below MRL2025-08-19
PFPeSND—Below MRL2025-08-19
PFDAND—Below MRL2025-02-25
PFBAND—Below MRL2025-02-25
HFPO-DAND10Below MRL2025-02-25
ADONAND—Below MRL2025-02-25
9Cl-PF3ONSND—Below MRL2025-02-25
11Cl-PF3OUdSND—Below MRL2025-02-25
PFUnAND—Below MRL2025-02-25
PFDoAND—Below MRL2025-02-25
PFOAND4Below MRL2025-02-25
6:2 FTSND—Below MRL2025-02-25
PFNAND10Below MRL2025-02-25
4:2 FTSND—Below MRL2025-02-25
8:2 FTSND—Below MRL2025-02-25
PFMPAND—Below MRL2025-02-25
PFMBAND—Below MRL2025-02-25
PFEESAND—Below MRL2025-02-25
NFDHAND—Below MRL2025-02-25
PFHpSND—Below MRL2025-02-25
PFHpAND—Below MRL2025-02-25
PFTAND—Below MRL2025-02-25
lithiumND—Below MRL2025-02-25
NEtFOSAAND—Below MRL2025-02-25
NMeFOSAAND—Below MRL2025-02-25
PFTrDAND—Below MRL2025-02-25
4:2 FTSND—Below MRL2025-08-19
8:2 FTSND—Below MRL2025-08-19
PFMPAND—Below MRL2025-08-19
PFMBAND—Below MRL2025-08-19
NFDHAND—Below MRL2025-08-19
6:2 FTSND—Below MRL2025-08-19
PFHpSND—Below MRL2025-08-19
PFTAND—Below MRL2025-08-19
PFTrDAND—Below MRL2025-08-19
NEtFOSAAND—Below MRL2025-08-19
NMeFOSAAND—Below MRL2025-08-19
lithiumND—Below MRL2025-08-19
PFHpAND—Below MRL2025-08-19
PFEESAND—Below MRL2025-08-19
PFNAND10Below MRL2025-08-19
PFBAND—Below MRL2025-08-19
PFOAND4Below MRL2025-08-19
PFDAND—Below MRL2025-08-19
PFDoAND—Below MRL2025-08-19
PFUnAND—Below MRL2025-08-19
11Cl-PF3OUdSND—Below MRL2025-08-19
HFPO-DAND10Below MRL2025-08-19
9Cl-PF3ONSND—Below MRL2025-08-19
ADONAND—Below MRL2025-08-19
PFTAND—Below MRL2025-02-26
11Cl-PF3OUdSND—Below MRL2025-02-26
PFHxAND—Below MRL2025-02-26
PFDoAND—Below MRL2025-02-26
PFDAND—Below MRL2025-02-26
NMeFOSAAND—Below MRL2025-02-26
PFTrDAND—Below MRL2025-02-26
lithiumND—Below MRL2025-02-26
9Cl-PF3ONSND—Below MRL2025-02-26
ADONAND—Below MRL2025-02-26
NEtFOSAAND—Below MRL2025-02-26
PFOAND4Below MRL2025-02-26
PFUnAND—Below MRL2025-02-26
HFPO-DAND10Below MRL2025-02-26
PFPeSND—Below MRL2025-02-26
NFDHAND—Below MRL2025-02-26
PFEESAND—Below MRL2025-02-26
PFMBAND—Below MRL2025-02-26
PFPeAND—Below MRL2025-02-26
PFMPAND—Below MRL2025-02-26
PFHpSND—Below MRL2025-02-26
PFOSND4Below MRL2025-02-26
PFNAND10Below MRL2025-02-26
4:2 FTSND—Below MRL2025-02-26
PFBAND—Below MRL2025-02-26
6:2 FTSND—Below MRL2025-02-26
PFHxSND10Below MRL2025-02-26
8:2 FTSND—Below MRL2025-02-26
PFBSND—Below MRL2025-02-26
PFHpAND—Below MRL2025-02-26
PFUnAND—Below MRL2025-08-19
PFPeSND—Below MRL2025-08-19
NFDHAND—Below MRL2025-08-19
PFMBAND—Below MRL2025-08-19
8:2 FTSND—Below MRL2025-08-19
4:2 FTSND—Below MRL2025-08-19
PFMPAND—Below MRL2025-08-19
6:2 FTSND—Below MRL2025-08-19
PFBAND—Below MRL2025-08-19
HFPO-DAND10Below MRL2025-08-19
ADONAND—Below MRL2025-08-19
9Cl-PF3ONSND—Below MRL2025-08-19
11Cl-PF3OUdSND—Below MRL2025-08-19
PFHpSND—Below MRL2025-08-19
PFHxAND—Below MRL2025-08-19
PFDoAND—Below MRL2025-08-19
PFDAND—Below MRL2025-08-19
PFOAND4Below MRL2025-08-19
PFOSND4Below MRL2025-08-19
PFNAND10Below MRL2025-08-19
PFHxSND10Below MRL2025-08-19
PFBSND—Below MRL2025-08-19
lithiumND—Below MRL2025-08-19
PFTAND—Below MRL2025-08-19
PFTrDAND—Below MRL2025-08-19
NEtFOSAAND—Below MRL2025-08-19
NMeFOSAAND—Below MRL2025-08-19
PFPeAND—Below MRL2025-08-19
PFHpAND—Below MRL2025-08-19
PFEESAND—Below MRL2025-08-19
ADONAND—Below MRL2025-02-26
PFDAND—Below MRL2025-02-26
PFDoAND—Below MRL2025-02-26
PFHxAND—Below MRL2025-02-26
PFUnAND—Below MRL2025-02-26
PFOSND4Below MRL2025-02-26
9Cl-PF3ONSND—Below MRL2025-02-26
PFNAND10Below MRL2025-02-26
PFMBAND—Below MRL2025-02-26
PFEESAND—Below MRL2025-02-26
NFDHAND—Below MRL2025-02-26
PFPeSND—Below MRL2025-02-26
PFHpSND—Below MRL2025-02-26
HFPO-DAND10Below MRL2025-02-26
11Cl-PF3OUdSND—Below MRL2025-02-26
PFMPAND—Below MRL2025-02-26
NMeFOSAAND—Below MRL2025-02-26
NEtFOSAAND—Below MRL2025-02-26
PFTrDAND—Below MRL2025-02-26
PFTAND—Below MRL2025-02-26
PFBAND—Below MRL2025-02-26
6:2 FTSND—Below MRL2025-02-26
PFOAND4Below MRL2025-02-26
8:2 FTSND—Below MRL2025-02-26
PFPeAND—Below MRL2025-02-26
lithiumND—Below MRL2025-02-26
PFBSND—Below MRL2025-02-26
PFHpAND—Below MRL2025-02-26
PFHxSND10Below MRL2025-02-26
4:2 FTSND—Below MRL2025-02-26
PFNAND10Below MRL2025-08-19
PFBSND—Below MRL2025-08-19
PFHxS7310Exceeds2025-02-25
PFHxS5210Exceeds2025-08-19
PFOS314Exceeds2025-08-19
PFPeS30—2025-02-25
PFOS304Exceeds2025-02-25
PFBS29—2025-02-25
PFHxS2710Exceeds2025-02-25
PFHxS2610Exceeds2025-08-19
PFBS22—2025-08-19
PFPeS22—2025-08-19
PFHxA21—2025-02-25
PFHxA17—2025-08-19
PFPeA12—2025-02-25
PFPeA10—2025-08-19
PFBA6.4—2025-02-25
PFOS6.34Exceeds2025-02-25
PFPeS5.8—2025-02-25
PFOS5.74Exceeds2025-08-19
PFBS5.4—2025-02-25
PFBA5.1—2025-08-19
PFHxA4.5—2025-02-25
PFPeS4.4—2025-08-19
PFOA4.24Exceeds2025-02-25
PFHxA3.9—2025-08-19
PFBS3.9—2025-08-19
PFPeA3.8—2025-08-19
PFHpA3.7—2025-02-25
PFPeA3.6—2025-02-25

Next steps