Is East Hanover, New Jersey tap water safe?
3 water systems report serving East Hanover. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
B
Nj American Water - Short Hills
Serves 217,230 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2025).
D
East Hanover Twp Water Dept
Serves 11,393 people · Surface water · Full report →
1 health-based violation in the last 5 years; 6 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2026).
C
Florham Park Water Dept
Serves 8,846 people · Groundwater · Full report →
No health-based violations in the last 5 years; 8 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2024).