Tap water in Lake Hopatcong, NJ — ZIP 07438

1 public water system serving about 4,500 people. PFAS "forever chemicals" have been detected here.

Failing

PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5 testing. Levels and the 2024 federal limits are shown per system below.

Water systems serving 07438

Jefferson Twp W U Milton Sys

PWSID NJ1414003 · serves 4,500 · groundwater

2 health-based / 25 total violations (5 yrs) · PFAS up to 16.7 ppt — above federal limit

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology