George B. Stevenson Lake Water Level Today
Pennsylvania · near Sinnemahoning · Above flood pool
- Elevation
- 922.06 ft
- From full pool
- +1.06 ft
- Percent of pool
- 103.4%
- 24-hour change
- −0.17 ft
- 7-day change
- +0.08 ft
- Reading
- Sep 21, 2026 · USACE
Last year at George B. Stevenson Lake
George B. Stevenson Lake is 1.06 ft above full pool, at 922.06 ft, above its flood pool, down 0.17 ft in the last 24 hours. That puts the lake at 103.4 percent of its conservation pool.
Over the last 7 days the level rose 0.08 ft, and over 30 days it rose 0.10 ft. In the 399 days of readings on this page the high was 922.41 ft on Feb 6, 2026 and the low was 921.17 ft on Apr 4, 2026, a range of 1.24 ft.
The reading is the U.S. Army Corps of Engineers gauge at George B. Stevenson Dam, near Sinnemahoning, taken Sep 21, 2026 and referenced to the NGVD29 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.
George B. Stevenson Lake pool elevations
| Current elevation | 922.06 ft |
|---|---|
| Full pool (top of conservation) | 921.00 ft |
| Bottom of conservation pool | 890.00 ft |
| Top of dam | 1,056.00 ft |
| Outflow | 189 cfs |
| 30-day change | +0.10 ft |
| 1-year high | 922.41 ft (Feb 6, 2026) |
| 1-year low | 921.17 ft (Apr 4, 2026) |
| Vertical datum | NGVD29 |
| 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
George B. Stevenson Lake level questions
What is the water level of George B. Stevenson Lake today?
George B. Stevenson Lake is at 922.06 ft as of Sep 21, 2026, +1.06 ft relative to full pool (921.00 ft). The 24-hour change is −0.17 ft.
What is full pool at George B. Stevenson Lake?
Full pool, the top of the conservation pool, is 921.00 ft (NGVD29). The bottom of the conservation pool is 890.00 ft.
Is George B. Stevenson Lake rising or falling?
Over the last 24 hours the level is −0.17 ft; over 7 days it rose 0.08 ft, and over 30 days it rose 0.10 ft.
Where does this George B. Stevenson Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for George B. Stevenson Dam. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.