Lake Hopatcong Water Level Today
Gage height (not an elevation) 8.98 ft
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Lake Hopatcong level history
The chart appears once we have two days of readings. We add one reading a day.
Lakes near Lake Hopatcong
Boonton Reservoir 14 mi · 305.03 ft Wanaque Reservoir 21 mi · 289.44 ft Spruce Run Reservoir 23 mi · 262.48 ft Greenwood Lake 24 mi · 618.40 ft Woodcliff Lake 33 mi · 90.68 ft Oradell Reservoir 33 mi · 20.63 ft
All New Jersey lake levels FAQ
What is the Lake Hopatcong water level today?
This gauge reports gage height, not lake elevation: 8.98 ft as of Nov 4, 2026, 6:45 AM EST, reported by the U.S. Geological Survey.
How often is this page updated?
Every 3 hours. The gauge reports several times a day.
Data: U.S. Geological Survey, gauge 01455400 (official page). Provisional data, subject to revision. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.