Current level
734.03ft
+1.03 ft vs full pool
Normal
Vs full pool
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Conditions that may affect safety or access. Always verify with official sources before heading out.
Lake-specific pages: Weather · Lake level.
William H. Harsha Lake is currently at 734.03 ft, 1.03 ft above full pool. The current William H. Harsha Lake lake level rose 0.02 ft since the last reading and remains up 0.56 ft over the past seven days.
William H. Harsha Lake is 1.03 ft above full pool, and its current lake level has risen 0.56 ft over the past seven days.
734.03 ft · Updated 20 hours ago · U.S. Army Corps of Engineers
Current level
734.03ft
+1.03 ft vs full pool
Normal
Vs full pool
Since last reading
Previous readingAug 8734.01 ft
7-day change
7-day trend: Rising
8 daily readings in the last 7 days
30-day change
29 daily readings in the last 30 days
Selected for unsettled, stormy conditions. Storms are in the area today, so weather-ready and safety gear is especially worth having on hand before you head out.
Storms are in the area today, so weather-ready and safety gear is especially worth having on hand before you head out.
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Elevation (ft) NGVD29 · MSL
Published elevations from lake operators when provided by the data service.
Clermont County, OH
No Drought
StableNo official drought conditions.
Severity
Official drought: None reported for the surrounding watershed.
Aug 9, 2026
734.03 ft
+0.02 ft
Aug 8, 2026
734.01 ft
+0.14 ft
Aug 7, 2026
733.87 ft
+0.65 ft
Aug 6, 2026
733.22 ft
-0.04 ft
Aug 5, 2026
733.26 ft
-0.04 ft
Aug 4, 2026
733.3 ft
-0.13 ft
Aug 3, 2026
733.43 ft
-0.04 ft
| Date | Level (ft) | Change (ft) |
|---|---|---|
| Aug 9, 2026 | 734.03 | +0.02 |
| Aug 8, 2026 | 734.01 | +0.14 |
| Aug 7, 2026 | 733.87 | +0.65 |
| Aug 6, 2026 | 733.22 | -0.04 |
| Aug 5, 2026 | 733.26 | -0.04 |
| Aug 4, 2026 | 733.3 | -0.13 |
| Aug 3, 2026 | 733.43 | -0.04 |
| Aug 2, 2026 | 733.47 | -0.02 |
| Aug 1, 2026 | 733.49 | +0.03 |
| Jul 31, 2026 | 733.46 | -0.04 |
| Jul 30, 2026 | 733.5 | -0.05 |
| Jul 29, 2026 | 733.55 | -0.04 |
| Jul 28, 2026 | 733.59 | -0.04 |
| Jul 27, 2026 | 733.63 | -0.01 |
The current water level at William H. Harsha Lake is 734.03 ft (updated 20 hours ago). You can track the William H. Harsha Lake lake level on the interactive chart and daily history above.
Full pool for William H. Harsha Lake is 733 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.
The current 7-day trend for the William H. Harsha Lake lake level is rising — rising about 0.56 ft over the past week. See the history chart above for the full picture.
Based on the latest gauge reading, William H. Harsha Lake is currently 1.03 ft above full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.
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