LakeLevelIs William H. Harsha Lake low right now?
William H. Harsha Lake was at 731.30 ft on October 10, 2026, 1.70 ft below its full pool of 733.0 ft. Over the past week the lake has been falling about 0.03 ft a day.
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 731.30 | −0.01 | −1.7 |
| Oct 9 | 731.31 | −0.04 | −1.7 |
| Oct 8 | 731.35 | −0.04 | −1.6 |
| Oct 7 | 731.39 | −0.04 | −1.6 |
| Oct 6 | 731.43 | +0.06 | −1.6 |
| Oct 5 | 731.37 | −0.05 | −1.6 |
| Oct 4 | 731.42 | −0.11 | −1.6 |
| Oct 3 | 731.53 | −0.10 | −1.5 |
| Oct 2 | 731.63 | +0.02 | −1.4 |
| Oct 1 | 731.61 | −0.12 | −1.4 |
| Sep 30 | 731.73 | −0.43 | −1.3 |
| Sep 29 | 732.16 | −0.60 | −0.8 |
| Sep 28 | 732.76 | −0.13 | −0.2 |
| Sep 27 | 732.89 | −0.18 | −0.1 |
About William H. Harsha Lake
- Full pool
- 733.0 ft (Top of Conservation)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — LRL district, WHHarsha
- Datum
- NGVD29
Lakes near William H. Harsha Lake
- WHHarsha-LakeOhio · 0 mi 731.3 ft −0.3 wkNormal for this time of year
- West Fork of Mill Creek LakeOhio · 25 mi 675.1 ft +0.0 wkAt full pool
- Caesar Creek LakeOhio · 33 mi 847.7 ft −0.4 wkNormal for this time of year
- CaesarCreek-LakeOhio · 33 mi 847.8 ft −0.4 wk1.3 ft below full pool
- Paint Creek LakeOhio · 46 mi 797.5 ft −1.0 wk1.1 ft above full pool
- Brookville-LakeIndiana · 54 mi 748.2 ft ±0.0 wkAt full pool
Questions
Is William H. Harsha Lake low right now?
William H. Harsha Lake was at 731.30 ft on October 10, 2026, 1.70 ft below its full pool of 733.0 ft. Over the past week the lake has been falling about 0.03 ft a day.
What is full pool for William H. Harsha Lake?
Full pool (Top of Conservation) is 733.0 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the William H. Harsha Lake level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Army Corps of Engineers (LRL district, WHHarsha). Readings are provisional and can be revised.