Reservoir · Ohio · United States · USACE CWMS
Alum Creek Lake
95.7% full
Capacity
100.78 hm³
Volume stored
96 hm³
Vs month average
96% of normal
Coordinates
40.186°N, 82.967°W
Last updated
2026-10-28
Current fill
95.7%vs 7 days ago
-2.0 pplosing
vs 1 year ago
N/A7-day trend
↓falling
Drought context
Storage vs October average
96%of normal
95.7% full on 2026-10-28, against an average of 99.2% for October across 2 years of readings (-3.5 points).
Drought Monitor at this site · 20 October 2026
Nonenot in a drought category
Alum Creek Lake's coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Ohio drought figures →
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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.186°N, 82.967°W · Open in Google Maps
About Alum Creek Lake
As of October 28, 2026, Alum Creek Lake is filled to 95.7% of its total capacity, holding 96.42 hm³ of water out of a maximum 100.78 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 2.0 percentage points.
Across the readings we hold for Alum Creek Lake — 100 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 89.0% (November 27, 2021) to a high of 104.9% (September 21, 2026).
It is operated by USACE primarily for multiple purposes. It is at 40.186°N, 82.967°W.
Key facts
- Current fill level
- 95.7% of total capacity
- Water stored
- 96.42 hm³
- Total capacity
- 100.78 hm³
- 7-day change
- ▼ 2.0 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 40.186°N, 82.967°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 95.7% | 96.42 |
| 27 Oct 2026 | 95.8% | 96.58 |
| 26 Oct 2026 | 96.1% | 96.86 |
| 25 Oct 2026 | 96.4% | 97.19 |
| 24 Oct 2026 | 96.8% | 97.56 |
| 23 Oct 2026 | 97.2% | 97.93 |
| 22 Oct 2026 | 97.5% | 98.26 |
| 21 Oct 2026 | 97.7% | 98.51 |
| 20 Oct 2026 | 98.2% | 98.96 |
| 19 Oct 2026 | 98.5% | 99.25 |
| 18 Oct 2026 | 98.8% | 99.58 |
| 17 Oct 2026 | 99.1% | 99.91 |