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SwedenLake Tappan at Old Tappan NJ water level
Lake, Lake Tappan, New Jersey, United States
Right now
Latest reading
Surface elevation
History
What this means
Lake Tappan at Old Tappan NJ reads 54.99 ft as of Oct 19, 2026, 11:30 AM EDT. There is no published reference for this lake yet, so we can't say whether that is high or low for the season.
It has barely moved over the past 24 hours. In the last month it has stayed between 54.99 ft and 55.09 ft.
The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels
On the water at Lake Tappan at Old Tappan NJ
Watch the chart rather than the single number; it shows whether the shoreline is moving.
Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.
Weather at the gauge
Rain in the last 3 days: 0.07 in.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Hackensack River at Rivervale NJRiver gauge, Hackensack River | 1.83 ft | Below flood stage | −0.05 ft | 1.5 mi |
| Pascack Brook at Westwood NJRiver gauge, Pascack Brook | 1.53 ft | Below flood stage | −0.04 ft | 2.1 mi |
| Pascack Brook at Park Ridge NJRiver gauge, Pascack Brook | 2.81 ft | Below flood stage | ±0 | 2.4 mi |
| Hackensack River at New Milford NJRiver gauge, Hackensack River | 1.60 ft | Below flood stage | +0.17 ft | 5.0 mi |
| Saddle River at Ridgewood NJRiver gauge, Saddle River | 0.88 ft | Below flood stage | +0.01 ft | 5.2 mi |
| Saddle River at Upper Saddle River NJRiver gauge, Saddle River | 1.98 ft | Below flood stage | −0.03 ft | 5.7 mi |
| Hackensack River at West NyackRiver gauge, Hackensack River | 44.0 cfs | High | +1.6 cfs | 5.7 mi |
| Hohokus Brook at Ho-Ho-Kus NJRiver gauge, Hohokus Brook | 1.49 ft | Below flood stage | ±0 | 6.0 mi |
Questions and answers
Is Lake Tappan at Old Tappan NJ really 54.99 ft deep?
No. 54.99 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.
What is the water level of Lake Tappan at Old Tappan NJ today?
On Oct 19, 2026, 11:30 AM EDT, the surface elevation was 54.99 ft. Steady over the last 24 hours.
Is Lake Tappan at Old Tappan NJ rising or falling?
Steady over the last 24 hours.
Is the level of Lake Tappan at Old Tappan NJ normal?
The agency publishes no normal range for this gauge yet, so we show the trend only.
How often is this data updated?
The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:01376950(Agency page)- Coordinates
41.01833, -74.00111(WGS84)- Vertical datum
- NGVD29
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Surface elevation | 54.99 ft | 2026-10-19 15:30 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Geological Survey: Lake Tappan at Old Tappan NJ (usgs:01376950). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/lake-tappan-at-old-tappan-nj
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer