Tappan Lake at Tappan OH water level

Name: Tappan Lake at Tappan OH water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Lake, Tappan Lake, Ohio, United States

Directions

High for mid-October

Surface elevation

899.15ft Steady over the last 24 hours

Measured Oct 18, 2026, 09:15 PM EDT (57 min ago)

History

What this means

Tappan Lake at Tappan OH is above normal at 899.15 ft.

That puts it 0.53 ft above the median of 898.62 ft for mid-October, based on 7 years of readings. A year ago it stood at 898.42 ft (+0.73 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 899.12 ft and 899.38 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 898.62 ft0.53 ft above the median for this date
Normal for this date: 897.68 ft – 899.32 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 898.42 ft+0.73 ft
Lowest and highest in 30 days: 899.12 ft – 899.38 ft
Lowest and highest in 12 months: 894.33 ft – 901.35 ft

On the water at Tappan Lake at Tappan OH

With the level a bit above normal, expect a shoreline slightly higher up than usual and the odd floating branch.

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: 0.16 in.

17 Sat 55° 42° – Wind 13 mph

18 Sun 60° 36° – Wind 5 mph

19 Mon 67° 39° – Wind 7 mph

20 Tue 66° 40° – Wind 6 mph

21 Wed 65° 38° – Wind 5 mph

22 Thu 65° 39° – Wind 5 mph

23 Fri 67° 41° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:41 AM Sunset 06:41 PM Daylight 11 hr First quarter 55%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Little Stillwater Creek below Tappan Dam at Tappan OHRiver gauge, Little Stillwater Creek	10.3 cfs	Normal	±0	0.2 mi
Beaverdam Run above Tappan Lake OHRiver gauge, Beaverdam Run	0.40 ft	Normal	−0.01 ft	5.3 mi
Clear Fork above Tappan Lake OHRiver gauge, Clear Fork	1.23 ft	Normal	−0.26 ft	6.1 mi
Clendening Lake at Tippecanoe OHLake, Clendening Lake	897.92 ft	Very high	−0.01 ft	7 mi
Stillwater Creek at Uhrichsville OHRiver gauge, Stillwater Creek	5.36 ft	Below flood stage	+0.05 ft	7 mi
Standingstone Fork above Tappan Lake OHRiver gauge, Standingstone Fork	4.64 ft	Normal	−0.01 ft	7 mi
Stillwater Creek at Tippecanoe OHRiver gauge, Stillwater Creek	97.0 cfs	Normal	−5.0 cfs	7 mi
Brushy Fork near Tippecanoe OHRiver gauge, Brushy Fork	11.4 cfs	Normal	−4.5 cfs	7 mi

Questions and answers

How does Tappan Lake at Tappan OH compare with last year?

It is 0.73 ft higher than on the same day last year, when the reading was 898.42 ft.

What is a normal level for Tappan Lake at Tappan OH in mid-October?

The median for mid-October is 898.62 ft. In 8 years out of 10 the reading falls between 897.68 ft and 899.32 ft, based on 7 years of records.

Is Tappan Lake at Tappan OH really 899.15 ft deep?

No. 899.15 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 Tappan Lake at Tappan OH today?

On Oct 18, 2026, 09:15 PM EDT, the surface elevation was 899.15 ft. Steady over the last 24 hours.

Is Tappan Lake at Tappan OH rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Tappan Lake at Tappan OH normal?

High for mid-October. Compared with 7 years of daily readings for this time of year.

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.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:03128000 (Agency page)
Coordinates: 40.35669, -81.22703 (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	899.15 ft	2026-10-19 01:15	Provisional

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How to cite

U.S. Geological Survey: Tappan Lake at Tappan OH (usgs:03128000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/ohio/tappan-lake-at-tappan-oh

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