LakeLevelIs Tappan Lake low right now?
Tappan Lake was at 899.12 ft on October 10, 2026, 0.18 ft below its full pool of 899.3 ft. That is 0.16 ft above the typical level for October 10, within the normal range. Over the past week the lake has been steady.
Tappan Lake on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 899.13 | ±0.00 | −0.2 |
| Oct 9 | 899.13 | −0.02 | −0.2 |
| Oct 8 | 899.15 | −0.02 | −0.1 |
| Oct 7 | 899.17 | −0.01 | −0.1 |
| Oct 6 | 899.18 | −0.02 | −0.1 |
| Oct 5 | 899.20 | −0.01 | −0.1 |
| Oct 4 | 899.21 | −0.02 | −0.1 |
| Oct 3 | 899.23 | ±0.00 | −0.1 |
| Oct 2 | 899.23 | ±0.00 | −0.1 |
| Oct 1 | 899.23 | −0.01 | −0.1 |
| Sep 30 | 899.24 | −0.01 | −0.1 |
| Sep 29 | 899.25 | −0.01 | −0.0 |
| Sep 28 | 899.26 | −0.02 | −0.0 |
| Sep 27 | 899.28 | −0.03 | −0.0 |
About Tappan Lake
- Full pool
- 899.3 ft (Top of Normal)
- 10-year range
- 891.2 ft (January 3, 2018) to 903.6 ft (April 6, 2024)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — LRH district, Tappan-Lake
- Datum
- NGVD29
Lakes near Tappan Lake
- Clendening LakeOhio · 7 mi 897.9 ft −0.1 wkAt full pool
- Leesville LakeOhio · 8 mi 962.7 ft −0.1 wkAt full pool
- Piedmont LakeOhio · 11 mi 913.2 ft −0.1 wkAt full pool
- Atwood LakeOhio · 12 mi 927.8 ft −0.1 wk5.5 ft above full pool
- Dover LakeOhio · 17 mi 864.6 ft −0.9 wk2.6 ft above full pool
- Zoar Diversion LakeOhio · 20 mi 902.2 ft ±0.0 wkNormal for this time of year
Questions
Is Tappan Lake low right now?
Tappan Lake was at 899.12 ft on October 10, 2026, 0.18 ft below its full pool of 899.3 ft. That is 0.16 ft above the typical level for October 10, within the normal range. Over the past week the lake has been steady.
What is full pool for Tappan Lake?
Full pool (Top of Normal) is 899.3 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the Tappan Lake level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Army Corps of Engineers (LRH district, Tappan-Lake). Readings are provisional and can be revised.