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

Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

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

Exact contamination levels

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PFAS compounds detected

9.8 ppt

Highest single detection

Highest detection

Pro feature

2025-08-12

Latest sample date

complete

Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5) · 116 compounds tested

Contaminant	Result (ppt)	MCL (ppt)	Status	Sample date
PFHpA	ND	—	Below MRL	2025-08-12
PFMBA	ND	—	Below MRL	2025-02-11

114 more results hidden