Mahoning Creek Lake Water Level Today
Pennsylvania · near Harrison Township · In the flood pool
- Elevation
- 1,103.61 ft
- From full pool
- +6.47 ft
- Percent of pool
- 128.3%
- 24-hour change
- +1.65 ft
- 7-day change
- −14.91 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Mahoning Creek Lake
Mahoning Creek Lake is 6.47 ft above full pool, at 1,103.61 ft, in its flood pool, up 1.65 ft in the last 24 hours. That puts the lake at 128.3 percent of its conservation pool. The top of the flood pool is 57.5 ft higher, at 1,161.14 ft.
Over the last 7 days the level fell 14.91 ft, and over 30 days it fell 11.13 ft. In the 398 days of readings on this page the high was 1,134.35 ft on Apr 6, 2026 and the low was 1,076.69 ft on Dec 15, 2025, a range of 57.66 ft.
The reading is the U.S. Army Corps of Engineers gauge, near Harrison Township, 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.
Mahoning Creek Lake pool elevations
| Current elevation | 1,103.61 ft |
|---|---|
| Full pool (top of conservation) | 1,097.14 ft |
| Top of flood pool | 1,161.14 ft |
| Bottom of conservation pool | 1,074.28 ft |
| Top of dam | 1,168.60 ft |
| Inflow | 926 cfs |
| Outflow | 359 cfs |
| 30-day change | −11.13 ft |
| 1-year high | 1,134.35 ft (Apr 6, 2026) |
| 1-year low | 1,076.69 ft (Dec 15, 2025) |
| Vertical datum | NAVD88 |
| Operating agency | U.S. Army Corps of Engineers, LRP 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
Mahoning Creek Lake level questions
What is the water level of Mahoning Creek Lake today?
Mahoning Creek Lake is at 1,103.61 ft as of Sep 21, 2026, +6.47 ft relative to full pool (1,097.14 ft). The 24-hour change is +1.65 ft.
What is full pool at Mahoning Creek Lake?
Full pool, the top of the conservation pool, is 1,097.14 ft (NAVD88). Above that, water is stored temporarily in the flood pool up to 1,161.14 ft. The bottom of the conservation pool is 1,074.28 ft.
Is Mahoning Creek Lake rising or falling?
Over the last 24 hours the level is +1.65 ft; over 7 days it fell 14.91 ft, and over 30 days it fell 11.13 ft.
Where does this Mahoning Creek Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Mahoning Creek Lake. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.