Current level
982.99ft
−3.01 ft vs full pool
Status unavailable
Vs full pool

Officially Michael J. Kirwan Dam and Reservoir (West Branch Mahoning River)
The latest available reading shows Michael J. Kirwan Reservoir is currently 3.0 feet below full pool, with a water-surface elevation of 983.0 feet.
982.99 ft · Updated 3 days ago · U.S. Army Corps of Engineers
Current level
982.99ft
−3.01 ft vs full pool
Status unavailable
Vs full pool
Since last reading
Previous readingSep 20982.99 ft
7-day change
7-day trend: Falling
8 daily readings in the last 7 days
30-day change
31 daily readings in the last 30 days
Elevation (ft) NAVD88 · MSL
Reference line is designed full pool.
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Follow Michael J. Kirwan Reservoir — FreeLevel remains below the full pool
Michael J. Kirwan Reservoir is currently 982.99 ft, 3.01 ft below its full pool. The lake has fallen 0.22 ft over the past 7 days and 0.15 ft over the past 30 days.
Reference elevations, recent daily readings, data sources, and answers to common questions.
3.01 ft below full pool
| Date | Level | Change |
|---|---|---|
| Sep 21, 2026 | 982.99 | 0 |
| Sep 20, 2026 | 982.99 | -0.04 |
| Sep 19, 2026 | 983.03 | -0.07 |
| Sep 18, 2026 | 983.1 | -0.03 |
| Sep 17, 2026 | 983.13 | -0.03 |
| Sep 16, 2026 | 983.16 | +0.01 |
| Sep 15, 2026 | 983.15 | -0.06 |
| Sep 14, 2026 | 983.21 | -0.01 |
| Sep 13, 2026 | 983.22 | -0.01 |
| Sep 12, 2026 | 983.23 | +0.03 |
| Sep 11, 2026 | 983.2 | -0.02 |
| Sep 10, 2026 | 983.22 | 0 |
| Sep 9, 2026 | 983.22 | +0.01 |
| Sep 8, 2026 | 983.21 | -0.02 |
The current water level at Michael J. Kirwan Reservoir is 982.99 ft (updated 3 days ago). You can track the Michael J. Kirwan Reservoir lake level on the interactive chart and daily history above.
Full pool for Michael J. Kirwan Reservoir is 986 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.
The current 7-day trend for the Michael J. Kirwan Reservoir lake level is falling — falling about 0.22 ft over the past week. See the history chart above for the full picture.
Based on the latest gauge reading, Michael J. Kirwan Reservoir is currently 3.01 ft below full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.
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