Lake levels
Michael J. Kirwan Reservoir, OH
- water level
- 981.30 ft
- Condition
- High for this time of year
- 7-day change
- -0.63 ft
- Below full
- 3.76 ft
- 30-day change
- -1.92 ft
Reading as of 2026-10-13 | the U.S. Army Corps of Engineers
- Since yesterday
- -0.09 ft
- 7-day change
- -0.63 ft
- 30-day change
- -1.92 ft
- Below full
- 3.76 ft
- 1-year change
- +3.01 ft
In brief
Michael J. Kirwan Reservoir stood at 981.30 feet on Oct 13, 2026, 3.76 feet below its full pool of 985 feet. That is higher than 81% of October readings since 2014.
Source: U.S. Army Corps of Engineers
Lake level timeline
Records and averages
| Current level | 981.30 ft |
|---|---|
| Full pool (conservation) | 985.06 ft |
| Flood pool | 992.55 ft |
| Record high | 988.55 ft (2019-06-22) |
| Record low | 975.45 ft (2023-10-19) |
| Average of all readings | 982.43 ft |
| Data span | 12 years (4,447 readings) |
Level schematic
Frequently asked questions
Is Michael J. Kirwan Reservoir full right now?
As of 2026-10-13, Michael J. Kirwan Reservoir sits at 981.30 ft, which is high for this time of year. That is 3.76 ft below full pool of 985.06 ft. Over the past 30 days the level has fallen 1.92 ft.
What is the water level at Michael J. Kirwan Reservoir today?
The most recent reading at Michael J. Kirwan Reservoir is 981.30 ft (2026-10-13), sourced from the U.S. Army Corps of Engineers. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Michael J. Kirwan Reservoir has ever been?
The highest level for Michael J. Kirwan Reservoir in our records is 988.55 ft on 2019-06-22. The lowest is 975.45 ft on 2023-10-19. Our record covers about 12 years of readings.
Is Michael J. Kirwan Reservoir low for this time of year?
Compared with every October in our records, the current level is higher than 81% of them, which we classify as high for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Michael J. Kirwan Reservoir low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Michael J. Kirwan Reservoir has fallen 1.92 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.
How much has Michael J. Kirwan Reservoir changed over the past year?
Michael J. Kirwan Reservoir is +3.01 ft compared with this date last year (981.30 ft today). The full-history chart above covers 12 years, with a record high of 988.55 ft and a record low of 975.45 ft.
Download and cite
Quote this reading
Michael J. Kirwan Reservoir stood at 981.30 feet on Oct 13, 2026, 3.76 feet below its full pool of 985 feet. That is higher than 81% of October readings since 2014.
Download the full record
michael-j-kirwan-reservoir-oh-water-level-history.csv
How to cite
MyWaterLevel, “Michael J. Kirwan Reservoir water level, 2014 to 2026,” data from U.S. Army Corps of Engineers, https://mywaterlevel.com/lake/oh/michael-j-kirwan-reservoir/, accessed Oct 13, 2026.
Source: the U.S. Army Corps of Engineers. All Ohio lake levels. Readings are provisional and may be revised. About our data and methods.