Reservoir · Ohio · United States · USACE CWMS
Piedmont Lake
103.6% full
Capacity
42.56 hm³
Volume stored
44 hm³
Coordinates
40.192°N, 81.218°W
Last updated
2026-09-11
Current fill
103.6%vs 7 days ago
+0.6%gaining
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: 2026-09-11.
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 September 11, 2026, Piedmont Lake is filled to 103.6% of its total capacity, holding roughly 44 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 (+0.6 pts).
Across the readings we hold for Piedmont Lake — 47 data points between July 27, 2026 and September 11, 2026 — the level has ranged from a low of 101.6% (August 9, 2026) to a high of 105.0% (August 18, 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
- 103.6%
- Water stored
- 44 hm³
- Total capacity
- 43 hm³
- 7-day change
- ▲ 0.6 pts
- Primary use
- Multipurpose
- River basin
- Ohio
- Operator
- USACE
- Coordinates
- 40.192°N, 81.218°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 103.6% | 44 |
| 10 Sep 2026 | 103.6% | 44 |
| 9 Sep 2026 | 102.8% | 44 |
| 8 Sep 2026 | 103.0% | 44 |
| 7 Sep 2026 | 103.1% | 44 |
| 6 Sep 2026 | 103.2% | 44 |
| 5 Sep 2026 | 103.1% | 44 |
| 4 Sep 2026 | 103.0% | 44 |
| 3 Sep 2026 | 103.0% | 44 |
| 2 Sep 2026 | 103.1% | 44 |
| 1 Sep 2026 | 103.3% | 44 |
| 31 Aug 2026 | 103.7% | 44 |