Tioga Lake Water Level Today
Pennsylvania · near Tioga · At full pool
- Elevation
- 1,081.31 ft
- From full pool
- +0.31 ft
- Percent of pool
- 100.7%
- 24-hour change
- +0.06 ft
- 7-day change
- −0.50 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Tioga Lake
Tioga Lake is at full pool, 1,081.31 ft, up 0.06 ft in the last 24 hours. That puts the lake at 100.7 percent of its conservation pool.
Over the last 7 days the level fell 0.50 ft, and over 30 days it held steady. In the 399 days of readings on this page the high was 1,085.16 ft on Dec 20, 2025 and the low was 1,080.37 ft on Sep 23, 2025, a range of 4.79 ft.
The reading is the U.S. Army Corps of Engineers gauge, near Tioga, taken Sep 21, 2026 and referenced to the LOCAL datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Tioga Lake pool elevations
| Current elevation | 1,081.31 ft |
|---|---|
| Full pool (top of conservation) | 1,081.00 ft |
| Bottom of conservation pool | 1,035.00 ft |
| Top of dam | 1,170.00 ft |
| Outflow | 110 cfs |
| 30-day change | −0.02 ft |
| 1-year high | 1,085.16 ft (Dec 20, 2025) |
| 1-year low | 1,080.37 ft (Sep 23, 2025) |
| Vertical datum | LOCAL |
| Operating agency | U.S. Army Corps of Engineers, NAB district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Pennsylvania
- Alvin R. Bush Lake 842.16 ft, +1.16 ft from full
- Aylesworth Creek Lake 1,108.07 ft, +0.07 ft from full
- Beltzville Lake 627.67 ft, +0.33 ft from full
- Blue Marsh Lake 289.62 ft, +0.35 ft from full
- Cowanesque Lake 1,080.47 ft, +0.47 ft from full
- Curwensville Lake 1,162.15 ft, +0.15 ft from full
Tioga Lake level questions
What is the water level of Tioga Lake today?
Tioga Lake is at 1,081.31 ft as of Sep 21, 2026, +0.31 ft relative to full pool (1,081.00 ft). The 24-hour change is +0.06 ft.
What is full pool at Tioga Lake?
Full pool, the top of the conservation pool, is 1,081.00 ft (LOCAL). The bottom of the conservation pool is 1,035.00 ft.
Is Tioga Lake rising or falling?
Over the last 24 hours the level is +0.06 ft; over 7 days it fell 0.50 ft, and over 30 days it held steady.
Where does this Tioga Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Tioga Lake. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.