LakeLevelIs Tionesta Lake low right now?
Tionesta Lake was at 1,090.01 ft on October 10, 2026, 5.44 ft above its full pool of 1,084.6 ft. That is 0.19 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.05 ft a day.
Tionesta Lake on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 1,090.05 | −0.10 | +5.5 |
| Oct 9 | 1,090.15 | −0.12 | +5.6 |
| Oct 8 | 1,090.27 | −0.11 | +5.7 |
| Oct 7 | 1,090.38 | −0.09 | +5.8 |
| Oct 6 | 1,090.47 | −0.04 | +5.9 |
| Oct 5 | 1,090.51 | +0.01 | +5.9 |
| Oct 4 | 1,090.50 | +0.07 | +5.9 |
| Oct 3 | 1,090.43 | +0.13 | +5.9 |
| Oct 2 | 1,090.30 | +0.17 | +5.7 |
| Oct 1 | 1,090.13 | +0.23 | +5.6 |
| Sep 30 | 1,089.90 | +0.29 | +5.3 |
| Sep 29 | 1,089.61 | +0.32 | +5.0 |
| Sep 28 | 1,089.29 | −0.04 | +4.7 |
| Sep 27 | 1,089.33 | −0.06 | +4.8 |
About Tionesta Lake
- Full pool
- 1,084.6 ft (Top of Conservation)
- 10-year range
- 1,084.8 ft (February 26, 2019) to 1,137.0 ft (April 15, 2024)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — LRP district, Tionesta-Lake
- Datum
- NAVD88
Lakes near Tionesta Lake
- Seneca Power Upper ReservoirPennsylvania · 33 mi 2,068.2 ft +27.2 wkHigher than usual for this time of year
- Allegheny ReservoirPennsylvania · 34 mi 1,322.6 ft −3.8 wkAt full pool
- Woodcock Creek LakePennsylvania · 38 mi 1,167.7 ft −4.9 wkLower than usual for this time of year
- Union City LakePennsylvania · 39 mi 1,217.4 ft −2.0 wk7.7 ft above full pool
- Mahoning Creek LakePennsylvania · 39 mi 1,098.5 ft −0.6 wk1.4 ft above full pool
- East Branch Clarion LakePennsylvania · 44 mi 1,650.9 ft −1.6 wkAt full pool
Questions
Is Tionesta Lake low right now?
Tionesta Lake was at 1,090.01 ft on October 10, 2026, 5.44 ft above its full pool of 1,084.6 ft. That is 0.19 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.05 ft a day.
What is full pool for Tionesta Lake?
Full pool (Top of Conservation) is 1,084.6 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 Tionesta 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 (LRP district, Tionesta-Lake). Readings are provisional and can be revised.