Reservoir · Ohio · United States · USACE CWMS
Atwood Lake
99.4% full
Capacity
29.11 hm³
Volume stored
29 hm³
Coordinates
40.527°N, 81.285°W
Last updated
2026-07-30
Current fill
99.4%vs 7 days ago
-0.2%losing
vs 1 year ago
+1.1%year-over-year
7-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: 2026-07-30.
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 July 30, 2026, Atwood Lake is filled to 99.4% of its total capacity, holding roughly 29 hm³ of water out of a maximum 29 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 1.1 points above its level on the same date a year earlier.
Across the readings we hold for Atwood Lake — 100 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 96.3% (August 6, 2021) to a high of 102.6% (September 1, 2021).
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
- 99.4%
- Water stored
- 29 hm³
- Total capacity
- 29 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▲ 1.1 pts
- Primary use
- Multipurpose
- River basin
- Ohio
- Operator
- USACE
- Coordinates
- 40.527°N, 81.285°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 99.4% | 29 |
| 29 Jul 2026 | 99.6% | 29 |
| 28 Jul 2026 | 99.8% | 29 |
| 27 Jul 2026 | 99.7% | 29 |
| 26 Jul 2026 | 99.9% | 29 |
| 25 Jul 2026 | 100.2% | 29 |
| 24 Jul 2026 | 100.5% | 29 |
| 23 Jul 2026 | 100.7% | 29 |
| 22 Jul 2026 | 100.9% | 29 |
| 21 Jul 2026 | 100.3% | 29 |
| 20 Jul 2026 | 99.9% | 29 |
| 19 Jul 2026 | 100.1% | 29 |
Frequently asked questions
What is the current water level of Atwood Lake?
As of July 30, 2026, Atwood Lake is at 99.4% of its capacity, holding approximately 29 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Atwood Lake reservoir full?
Atwood Lake is essentially full, sitting at 99.4% of capacity as of July 30, 2026.
Is the water level at Atwood Lake rising or falling?
The level at Atwood Lake has been broadly stable over the latest week on record (-0.2 points).
How much water can Atwood Lake hold?
Atwood Lake has a total capacity of 29 hm³.
Where is Atwood Lake reservoir located?
Atwood Lake is located in Ohio, United States, within the Ohio basin (coordinates 40.527°N, 81.285°W).
What is Atwood Lake used for?
Atwood Lake is used primarily for multiple purposes, and is managed by USACE.