PFAS Comply

JEFFERSON TWP W U LK HOP

PWSID: NJ1414011 · LAKE HOPATCONG, NJ · Serving 8,500 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

PFOA8.3 ppt(MCL: 4 ppt)
PFOS9.8 ppt(MCL: 4 ppt)

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

Detection summary

5
PFAS compounds detected
9.8 ppt
Highest single detection
2025-08-12
Latest sample date
complete
Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5)

ContaminantResult (ppt)MCL (ppt)StatusSample date
PFHpAND—Below MRL2025-08-12
PFMBAND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-08-12
PFPeSND—Below MRL2025-08-12
PFBAND—Below MRL2025-08-12
6:2 FTSND—Below MRL2025-08-12
4:2 FTSND—Below MRL2025-08-12
8:2 FTSND—Below MRL2025-08-12
NFDHAND—Below MRL2025-08-12
PFEESAND—Below MRL2025-08-12
PFMBAND—Below MRL2025-08-12
11Cl-PF3OUdSND—Below MRL2025-08-12
PFMPAND—Below MRL2025-08-12
9Cl-PF3ONSND—Below MRL2025-08-12
PFUnAND—Below MRL2025-08-12
PFDoAND—Below MRL2025-08-12
PFDAND—Below MRL2025-08-12
PFNAND10Below MRL2025-08-12
PFHxSND10Below MRL2025-08-12
PFTrDAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
PFHpAND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFOSND4Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
lithiumND—Below MRL2025-08-12
PFDoAND—Below MRL2025-08-12
PFNAND10Below MRL2025-08-12
PFHpSND—Below MRL2025-08-12
PFUnAND—Below MRL2025-08-12
PFMPAND—Below MRL2025-08-12
PFTAND—Below MRL2025-08-12
PFTrDAND—Below MRL2025-08-12
NEtFOSAAND—Below MRL2025-08-12
NMeFOSAAND—Below MRL2025-08-12
PFHxSND10Below MRL2025-08-12
PFOSND4Below MRL2025-08-12
PFDAND—Below MRL2025-08-12
PFMBAND—Below MRL2025-08-12
PFPeSND—Below MRL2025-08-12
NFDHAND—Below MRL2025-08-12
PFHpAND—Below MRL2025-08-12
PFEESAND—Below MRL2025-08-12
8:2 FTSND—Below MRL2025-08-12
4:2 FTSND—Below MRL2025-08-12
6:2 FTSND—Below MRL2025-08-12
PFBAND—Below MRL2025-08-12
HFPO-DAND10Below MRL2025-08-12
ADONAND—Below MRL2025-08-12
9Cl-PF3ONSND—Below MRL2025-08-12
11Cl-PF3OUdSND—Below MRL2025-08-12
PFHpAND—Below MRL2025-02-11
PFMBAND—Below MRL2025-02-11
PFEESAND—Below MRL2025-02-11
NFDHAND—Below MRL2025-02-11
lithiumND—Below MRL2025-02-11
PFPeSND—Below MRL2025-02-11
PFMPAND—Below MRL2025-02-11
PFHpSND—Below MRL2025-02-11
PFHxSND10Below MRL2025-02-11
NMeFOSAAND—Below MRL2025-02-11
11Cl-PF3OUdSND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-02-11
PFNAND10Below MRL2025-02-11
PFUnAND—Below MRL2025-02-11
PFTAND—Below MRL2025-02-11
8:2 FTSND—Below MRL2025-02-11
NEtFOSAAND—Below MRL2025-02-11
PFDAND—Below MRL2025-02-11
9Cl-PF3ONSND—Below MRL2025-02-11
ADONAND—Below MRL2025-02-11
HFPO-DAND10Below MRL2025-02-11
PFBAND—Below MRL2025-02-11
6:2 FTSND—Below MRL2025-02-11
4:2 FTSND—Below MRL2025-02-11
PFDoAND—Below MRL2025-02-11
PFTrDAND—Below MRL2025-08-12
ADONAND—Below MRL2025-08-12
NEtFOSAAND—Below MRL2025-08-12
PFTAND—Below MRL2025-08-12
lithiumND—Below MRL2025-08-12
NMeFOSAAND—Below MRL2025-08-12
HFPO-DAND10Below MRL2025-08-12
PFOS9.84Exceeds2025-08-12
PFOS8.64Exceeds2025-02-11
PFOA8.34Exceeds2025-08-12
PFPeA7.6—2025-08-12
PFOA7.54Exceeds2025-02-11
PFPeA7.1—2025-02-11
PFBS7—2025-08-12
PFOA6.44Exceeds2025-08-12
PFBS6.2—2025-02-11
PFOA5.64Exceeds2025-02-11
PFPeA4.5—2025-08-12
PFHxA4.3—2025-08-12
PFBS4.2—2025-08-12
PFPeA4.1—2025-02-11
PFHxA3.9—2025-02-11
PFHxA3.6—2025-08-12
PFBS3.4—2025-02-11
PFHxA3.2—2025-02-11

Next steps