Tap water in Washington Twp.-1438, NJ — ZIP 07840
3 public water systems serving about 32,409 people. PFAS "forever chemicals" have been detected here.
D
Poor
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 07840
Hackettstown Mua
PWSID NJ2108001 · serves 22,000 ·
groundwater
0 health-based / 15 total violations (5 yrs)
Allamuchy Twp Water & Sewer
PWSID NJ2101001 · serves 5,423 ·
groundwater
0 health-based / 6 total violations (5 yrs)
· PFAS up to 3.3 ppt
Washington Twp Mua-Schoo
PWSID NJ1438004 · serves 4,986 ·
groundwater
0 health-based / 1 total violations (5 yrs)
· PFAS up to 9.7 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