Is Hopatcong, New Jersey tap water safe?
2 water systems report serving Hopatcong. 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.
C
Hopatcong Water Dept
Serves 7,224 people · Groundwater · Full report →
No health-based violations in the last 5 years; 12 monitoring/reporting violations; 2 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2026).
B
Aqua Nj - Byram
Serves 400 people · Groundwater · Full report →
No health-based violations in the last 5 years; 12 monitoring/reporting violations; 1 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).