Lake Hopatcong lake and shoreline

Lake Hopatcong Water Level

New Jersey

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Lake Hopatcong is currently at a water-surface elevation of 923.6 feet.

923.62 ft · Updated 1 hour ago · U.S. Geological Survey (USGS)

Current level

923.62ft

Status unavailable

A verified operating range is not available for this lake.

Since last reading

Down 0.01 ft

Previous readingSep 9923.65 ft

7-day change

Down 0.04 ft

7-day trend: Falling

4 daily readings in the last 7 days

30-day change

Down 0.04 ft

4 daily readings in the last 30 days

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Water Level History

Elevation (ft) Water-surface elevation (ft)

924 ft924 ft924 ftSep 8Sep 11

Level status

Summary updating

This comparison needs the current level and full pool. We use the live feed when present, otherwise the latest daily summary when it includes a pool comparison.

DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Water-surface elevation (ft)
Elevation reference
Not available
Source
U.S. Geological Survey (USGS)

Reference levels

No published reference elevations for this lake.

Watershed drought

No Drought

None reported for the surrounding watershed.

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Morris County, NJ

No Drought

No Drought. No official drought conditions.. Trend: Stable compared with last week. Official drought no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

No

No official drought is reported for the surrounding watershed.

U.S. Drought Monitor · map date Sep 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Morris County, NJ

Daily level summary

  • Sep 10, 2026

    923.64 ft

    -0.01 ft

  • Sep 9, 2026

    923.65 ft

    -0.01 ft

  • Sep 8, 2026

    923.66 ft

    -0.02 ft

  • Sep 7, 2026

    923.68 ft

    —

Common questions about Lake Hopatcong’s water level

  • The current water level at Lake Hopatcong is 923.62 ft (updated 1 hour ago). You can track the Lake Hopatcong lake level on the interactive chart and daily history above.

  • The current 7-day trend for the Lake Hopatcong lake level is falling — falling about 0.04 ft over the past week. See the history chart above for the full picture.

  • Readings refresh when U.S. Geological Survey (USGS) publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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