Prompton Lake Water Level Today
Pennsylvania · near Carbondale · In the flood pool
- Elevation
- 1,125.69 ft
- From full pool
- +1.32 ft
- Percent of pool
- n/a
- 24-hour change
- +1.37 ft
- 7-day change
- +1.32 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Prompton Lake
Prompton Lake is 1.32 ft above full pool, at 1,125.69 ft, in its flood pool, up 1.37 ft in the last 24 hours. The top of the flood pool is 78.7 ft higher, at 1,204.37 ft.
Over the last 7 days the level rose 1.32 ft, and over 30 days it rose 2.31 ft. In the 400 days of readings on this page the high was 1,128.43 ft on Mar 9, 2026 and the low was 1,122.45 ft on Sep 23, 2025, a range of 5.98 ft.
The reading is the U.S. Army Corps of Engineers gauge at Prompton Dam, near Carbondale, taken Sep 21, 2026 and referenced to the NAVD88 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.
Prompton Lake pool elevations
| Current elevation | 1,125.69 ft |
|---|---|
| Full pool (top of conservation) | 1,124.37 ft |
| Top of flood pool | 1,204.37 ft |
| Top of dam | 1,232.37 ft |
| Inflow | 155 cfs |
| Outflow | 107 cfs |
| 30-day change | +2.31 ft |
| 1-year high | 1,128.43 ft (Mar 9, 2026) |
| 1-year low | 1,122.45 ft (Sep 23, 2025) |
| Vertical datum | NAVD88 |
| Operating agency | U.S. Army Corps of Engineers, NAP 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
Prompton Lake level questions
What is the water level of Prompton Lake today?
Prompton Lake is at 1,125.69 ft as of Sep 21, 2026, +1.32 ft relative to full pool (1,124.37 ft). The 24-hour change is +1.37 ft.
What is full pool at Prompton Lake?
Full pool, the top of the conservation pool, is 1,124.37 ft (NAVD88). Above that, water is stored temporarily in the flood pool up to 1,204.37 ft.
Is Prompton Lake rising or falling?
Over the last 24 hours the level is +1.37 ft; over 7 days it rose 1.32 ft, and over 30 days it rose 2.31 ft.
Where does this Prompton Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Prompton Dam. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.