Reservoir · Ohio · United States · USACE CWMS
Atwood Lake
103.2% full
Capacity
29.11 hm³
Volume stored
30 hm³
Coordinates
40.527°N, 81.285°W
Last updated
2026-09-11
Current fill
103.2%vs 7 days ago
+2.4%gaining
vs 1 year ago
N/A7-day trend
↑rising
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. 40.527, -81.285 · Open in Google Maps
About Atwood Lake
As of September 11, 2026, Atwood Lake is filled to 103.2% of its total capacity, holding roughly 30 hm³ of water out of a maximum 29 hm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has risen by 2.4 percentage points.
Across the readings we hold for Atwood Lake — 100 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 98.0% (October 2, 2021) to a high of 105.0% (August 16, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Ohio basin at 40.527°N, 81.285°W.
Key facts
- Current fill level
- 103.2%
- Water stored
- 30 hm³
- Total capacity
- 29 hm³
- 7-day change
- ▲ 2.4 pts
- Primary use
- Multipurpose
- River basin
- Ohio
- Operator
- USACE
- Coordinates
- 40.527°N, 81.285°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 103.2% | 30 |
| 10 Sep 2026 | 103.1% | 30 |
| 9 Sep 2026 | 100.0% | 29 |
| 8 Sep 2026 | 99.8% | 29 |
| 7 Sep 2026 | 100.0% | 29 |
| 6 Sep 2026 | 100.3% | 29 |
| 5 Sep 2026 | 100.7% | 29 |
| 4 Sep 2026 | 100.8% | 29 |
| 3 Sep 2026 | 100.8% | 29 |
| 2 Sep 2026 | 100.8% | 29 |
| 1 Sep 2026 | 101.2% | 29 |
| 31 Aug 2026 | 101.5% | 30 |