PFAS Comply

CRYSTAL LAKE

PWSID: IL1110150 · CRYSTAL LAKE, IL · Serving 40,661 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

2
PFAS compounds detected
4.6 ppt
Highest single detection
2025-09-09
Latest sample date
partial
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFUnAND—Below MRL2025-06-11
ADONAND—Below MRL2024-12-03
HFPO-DAND10Below MRL2024-12-03
PFBAND—Below MRL2024-12-03
4:2 FTSND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-03
PFUnAND—Below MRL2024-12-03
6:2 FTSND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-03
PFHxSND10Below MRL2024-12-03
PFNAND10Below MRL2024-12-03
PFOSND4Below MRL2024-12-03
PFOAND4Below MRL2024-12-03
PFDAND—Below MRL2024-12-03
8:2 FTSND—Below MRL2024-12-03
PFHxAND—Below MRL2024-12-03
lithiumND—Below MRL2024-12-03
PFDoAND—Below MRL2024-12-03
PFPeAND—Below MRL2024-12-03
PFMBAND—Below MRL2024-12-03
PFEESAND—Below MRL2024-12-03
NFDHAND—Below MRL2024-12-03
PFPeSND—Below MRL2024-12-03
PFHpSND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
PFMPAND—Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
PFTrDAND—Below MRL2024-12-03
PFTrDAND—Below MRL2025-09-09
PFHxSND10Below MRL2025-11-03
PFTAND—Below MRL2025-09-09
NEtFOSAAND—Below MRL2025-09-09
lithiumND—Below MRL2025-09-09
NMeFOSAAND—Below MRL2025-09-09
PFDAND—Below MRL2025-11-03
PFHpSND—Below MRL2025-11-03
PFOSND4Below MRL2025-11-03
PFBSND—Below MRL2025-11-03
PFHpAND—Below MRL2025-11-03
PFOAND4Below MRL2025-11-03
PFDoAND—Below MRL2025-11-03
PFHxAND—Below MRL2025-11-03
PFUnAND—Below MRL2025-11-03
11Cl-PF3OUdSND—Below MRL2025-11-03
9Cl-PF3ONSND—Below MRL2025-11-03
ADONAND—Below MRL2025-11-03
PFPeSND—Below MRL2025-11-03
PFNAND10Below MRL2025-11-03
NFDHAND—Below MRL2025-11-03
HFPO-DAND10Below MRL2025-11-03
PFMBAND—Below MRL2025-11-03
PFPeAND—Below MRL2025-11-03
PFMPAND—Below MRL2025-11-03
8:2 FTSND—Below MRL2025-11-03
4:2 FTSND—Below MRL2025-11-03
6:2 FTSND—Below MRL2025-11-03
PFBAND—Below MRL2025-11-03
PFEESAND—Below MRL2025-11-03
PFEESAND—Below MRL2024-12-03
NFDHAND—Below MRL2024-12-03
PFPeSND—Below MRL2024-12-03
PFPeAND—Below MRL2024-12-03
PFHpSND—Below MRL2024-12-03
PFMBAND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
lithiumND—Below MRL2024-12-03
PFTrDAND—Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-03
PFHxSND10Below MRL2024-12-03
PFMPAND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-03
PFDoAND—Below MRL2024-12-03
PFOSND4Below MRL2024-12-03
8:2 FTSND—Below MRL2024-12-03
PFDAND—Below MRL2024-12-03
PFNAND10Below MRL2024-12-03
PFHxAND—Below MRL2024-12-03
PFUnAND—Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2024-12-03
9Cl-PF3ONSND—Below MRL2024-12-03
ADONAND—Below MRL2024-12-03
HFPO-DAND10Below MRL2024-12-03
PFBAND—Below MRL2024-12-03
6:2 FTSND—Below MRL2024-12-03
4:2 FTSND—Below MRL2024-12-03
PFOAND4Below MRL2024-12-03
NEtFOSAAND—Below MRL2025-06-11
11Cl-PF3OUdSND—Below MRL2025-06-11
PFUnAND—Below MRL2025-06-11
PFHxAND—Below MRL2025-06-11
PFDoAND—Below MRL2025-06-11
PFDAND—Below MRL2025-06-11
PFOAND4Below MRL2025-06-11
PFOSND4Below MRL2025-06-11
PFNAND10Below MRL2025-06-11
PFHxSND10Below MRL2025-06-11
PFHpAND—Below MRL2025-06-11
PFBSND—Below MRL2025-06-11
PFEESAND—Below MRL2025-06-11
PFTAND—Below MRL2025-06-11
9Cl-PF3ONSND—Below MRL2025-06-11
lithiumND—Below MRL2025-06-11
NFDHAND—Below MRL2025-06-11
PFPeAND—Below MRL2025-06-11
ADONAND—Below MRL2025-06-11
PFTrDAND—Below MRL2025-06-11
PFHpSND—Below MRL2025-06-11
PFPeSND—Below MRL2025-06-11
PFMBAND—Below MRL2025-06-11
NMeFOSAAND—Below MRL2025-06-11
PFMPAND—Below MRL2025-06-11
8:2 FTSND—Below MRL2025-06-11
4:2 FTSND—Below MRL2025-06-11
6:2 FTSND—Below MRL2025-06-11
PFBAND—Below MRL2025-06-11
HFPO-DAND10Below MRL2025-06-11
NFDHAND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
6:2 FTSND—Below MRL2024-12-03
4:2 FTSND—Below MRL2024-12-03
8:2 FTSND—Below MRL2024-12-03
PFMPAND—Below MRL2024-12-03
PFBAND—Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
PFTrDAND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
PFPeAND—Below MRL2024-12-03
HFPO-DAND10Below MRL2024-12-03
PFPeSND—Below MRL2024-12-03
PFOAND4Below MRL2024-12-03
PFEESAND—Below MRL2024-12-03
PFHpSND—Below MRL2024-12-03
PFOSND4Below MRL2024-12-03
lithiumND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-03
PFDoAND—Below MRL2024-12-03
PFNAND10Below MRL2024-12-03
ADONAND—Below MRL2024-12-03
PFDAND—Below MRL2024-12-03
PFMBAND—Below MRL2024-12-03
PFHxAND—Below MRL2024-12-03
PFUnAND—Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2024-12-03
9Cl-PF3ONSND—Below MRL2024-12-03
PFHxSND10Below MRL2024-12-03
PFHxSND10Below MRL2025-06-11
NMeFOSAAND—Below MRL2025-06-11
NEtFOSAAND—Below MRL2025-06-11
PFTrDAND—Below MRL2025-06-11
PFTAND—Below MRL2025-06-11
HFPO-DAND10Below MRL2025-06-11
PFHpSND—Below MRL2025-06-11
PFPeSND—Below MRL2025-06-11
NFDHAND—Below MRL2025-06-11
PFEESAND—Below MRL2025-06-11
PFMBAND—Below MRL2025-06-11
PFPeAND—Below MRL2025-06-11
PFMPAND—Below MRL2025-06-11
8:2 FTSND—Below MRL2025-06-11
4:2 FTSND—Below MRL2025-06-11
PFBSND—Below MRL2025-06-11
PFBAND—Below MRL2025-06-11
lithiumND—Below MRL2025-06-11
ADONAND—Below MRL2025-06-11
9Cl-PF3ONSND—Below MRL2025-06-11
11Cl-PF3OUdSND—Below MRL2025-06-11
PFUnAND—Below MRL2025-06-11
PFHxAND—Below MRL2025-06-11
PFDoAND—Below MRL2025-06-11
PFDAND—Below MRL2025-06-11
PFOAND4Below MRL2025-06-11
PFOSND4Below MRL2025-06-11
PFNAND10Below MRL2025-06-11
PFHpAND—Below MRL2025-06-11
6:2 FTSND—Below MRL2025-06-11
11Cl-PF3OUdSND—Below MRL2024-12-03
PFTrDAND—Below MRL2024-12-03
PFDAND—Below MRL2024-12-03
PFUnAND—Below MRL2024-12-03
PFHxAND—Below MRL2024-12-03
PFDoAND—Below MRL2024-12-03
PFOAND4Below MRL2024-12-03
PFOSND4Below MRL2024-12-03
PFNAND10Below MRL2024-12-03
PFHxSND10Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
9Cl-PF3ONSND—Below MRL2024-12-03
PFEESAND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
PFMPAND—Below MRL2024-12-03
lithiumND—Below MRL2024-12-03
PFHpSND—Below MRL2024-12-03
PFPeSND—Below MRL2024-12-03
NFDHAND—Below MRL2024-12-03
PFPeAND—Below MRL2024-12-03
PFMBAND—Below MRL2024-12-03
ADONAND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-03
8:2 FTSND—Below MRL2024-12-03
4:2 FTSND—Below MRL2024-12-03
6:2 FTSND—Below MRL2024-12-03
PFBAND—Below MRL2024-12-03
HFPO-DAND10Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2025-06-11
PFTAND—Below MRL2025-06-11
PFTrDAND—Below MRL2025-06-11
HFPO-DAND10Below MRL2025-06-11
PFNAND10Below MRL2025-06-11
9Cl-PF3ONSND—Below MRL2024-12-03
PFMBAND—Below MRL2025-06-11
PFEESAND—Below MRL2025-06-11
NFDHAND—Below MRL2025-06-11
PFPeSND—Below MRL2025-06-11
PFHpSND—Below MRL2025-06-11
lithiumND—Below MRL2025-06-11
PFMPAND—Below MRL2025-06-11
8:2 FTSND—Below MRL2025-06-11
4:2 FTSND—Below MRL2025-06-11
PFHxAND—Below MRL2025-06-11
PFBAND—Below MRL2025-06-11
NEtFOSAAND—Below MRL2025-06-11
ADONAND—Below MRL2025-06-11
9Cl-PF3ONSND—Below MRL2025-06-11
PFUnAND—Below MRL2025-06-11
PFDoAND—Below MRL2025-06-11
PFDAND—Below MRL2025-06-11
PFOAND4Below MRL2025-06-11
PFOSND4Below MRL2025-06-11
PFNAND10Below MRL2025-06-11
PFHxSND10Below MRL2025-06-11
PFHpAND—Below MRL2025-06-11
NMeFOSAAND—Below MRL2025-06-11
6:2 FTSND—Below MRL2025-06-11
ADONAND—Below MRL2024-12-03
PFMPAND—Below MRL2024-12-03
PFHxAND—Below MRL2024-12-03
PFUnAND—Below MRL2024-12-03
9Cl-PF3ONSND—Below MRL2024-12-03
HFPO-DAND10Below MRL2024-12-03
6:2 FTSND—Below MRL2024-12-03
PFDoAND—Below MRL2024-12-03
8:2 FTSND—Below MRL2024-12-03
11Cl-PF3OUdSND—Below MRL2024-12-03
PFPeAND—Below MRL2024-12-03
PFMBAND—Below MRL2024-12-03
PFEESAND—Below MRL2024-12-03
NFDHAND—Below MRL2024-12-03
PFPeSND—Below MRL2024-12-03
PFHpSND—Below MRL2024-12-03
4:2 FTSND—Below MRL2024-12-03
NMeFOSAAND—Below MRL2024-12-03
PFBAND—Below MRL2024-12-03
PFDAND—Below MRL2024-12-03
PFTAND—Below MRL2024-12-03
NEtFOSAAND—Below MRL2024-12-03
lithiumND—Below MRL2024-12-03
PFBSND—Below MRL2024-12-03
PFHpAND—Below MRL2024-12-03
PFHxSND10Below MRL2024-12-03
PFNAND10Below MRL2024-12-03
PFOSND4Below MRL2024-12-03
PFOAND4Below MRL2024-12-03
PFTrDAND—Below MRL2024-12-03
PFBAND—Below MRL2025-06-11
HFPO-DAND10Below MRL2025-06-11
PFPeAND—Below MRL2025-06-11
6:2 FTSND—Below MRL2025-06-11
4:2 FTSND—Below MRL2025-06-11
8:2 FTSND—Below MRL2025-06-11
PFMPAND—Below MRL2025-06-11
PFMBAND—Below MRL2025-06-11
PFEESAND—Below MRL2025-06-11
lithiumND—Below MRL2025-06-11
PFHpSND—Below MRL2025-06-11
NFDHAND—Below MRL2025-06-11
9Cl-PF3ONSND—Below MRL2025-06-11
11Cl-PF3OUdSND—Below MRL2025-06-11
PFPeSND—Below MRL2025-06-11
PFTrDAND—Below MRL2025-06-11
ADONAND—Below MRL2025-06-11
PFTAND—Below MRL2025-06-11
NEtFOSAAND—Below MRL2025-06-11
NMeFOSAAND—Below MRL2025-06-11
PFBSND—Below MRL2025-06-11
PFHpAND—Below MRL2025-06-11
PFHxSND10Below MRL2025-06-11
PFOSND4Below MRL2025-06-11
PFOAND4Below MRL2025-06-11
PFDAND—Below MRL2025-06-11
PFDoAND—Below MRL2025-06-11
PFHxAND—Below MRL2025-06-11
PFBS4.6—2025-06-11
PFPeA4.5—2025-06-11

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