Reservoir · Ohio · United States · USACE CWMS
Piedmont Lake
101.4% full
Capacity
42.56 hm³
Volume stored
43 hm³
Coordinates
40.192°N, 81.218°W
Last updated
2026-10-09
Current fill
101.4%vs 7 days ago
-0.8%losing
vs 1 year ago
N/A7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-10-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.192, -81.218 · Open in Google Maps
About Piedmont Lake
As of October 9, 2026, Piedmont Lake is filled to 101.4% of its total capacity, holding roughly 43 hm³ of water out of a maximum 43 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (-0.8 pts).
Across the readings we hold for Piedmont Lake — 100 data points between October 10, 2021 and October 9, 2026 — the level has ranged from a low of 73.5% (November 30, 2021) to a high of 105.0% (August 24, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Ohio basin at 40.192°N, 81.218°W.
Key facts
- Current fill level
- 101.4%
- Water stored
- 43 hm³
- Total capacity
- 43 hm³
- 7-day change
- ▼ 0.8 pts
- Primary use
- Multipurpose
- River basin
- Ohio
- Operator
- USACE
- Coordinates
- 40.192°N, 81.218°W
- Last updated
- October 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Oct 2026 | 101.4% | 43 |
| 8 Oct 2026 | 101.5% | 43 |
| 7 Oct 2026 | 101.6% | 43 |
| 6 Oct 2026 | 101.8% | 43 |
| 5 Oct 2026 | 101.9% | 43 |
| 4 Oct 2026 | 102.1% | 43 |
| 3 Oct 2026 | 102.1% | 43 |
| 2 Oct 2026 | 102.2% | 44 |
| 1 Oct 2026 | 102.3% | 44 |
| 30 Sep 2026 | 102.3% | 44 |
| 29 Sep 2026 | 102.4% | 44 |
| 28 Sep 2026 | 102.5% | 44 |