Reservoir · Kentucky · United States · USACE CWMS
Dewey Lake
83.7% full
Capacity
21.22 hm³
Volume stored
18 hm³
Coordinates
37.736°N, 82.729°W
Last updated
2026-09-11
Current fill
83.7%vs 7 days ago
-0.7%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: 2026-09-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 37.736, -82.729 · Open in Google Maps
About Dewey Lake
As of September 11, 2026, Dewey Lake is filled to 83.7% of its total capacity, holding roughly 18 hm³ of water out of a maximum 21 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.7 pts).
Across the readings we hold for Dewey Lake — 47 data points between July 27, 2026 and September 11, 2026 — the level has ranged from a low of 83.7% (August 26, 2026) to a high of 85.1% (September 5, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Kentucky basin at 37.736°N, 82.729°W.
Key facts
- Current fill level
- 83.7%
- Water stored
- 18 hm³
- Total capacity
- 21 hm³
- 7-day change
- ▼ 0.7 pts
- Primary use
- Multipurpose
- River basin
- Kentucky
- Operator
- USACE
- Coordinates
- 37.736°N, 82.729°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 83.7% | 18 |
| 10 Sep 2026 | 84.2% | 18 |
| 9 Sep 2026 | 84.3% | 18 |
| 8 Sep 2026 | 84.3% | 18 |
| 7 Sep 2026 | 84.1% | 18 |
| 6 Sep 2026 | 84.2% | 18 |
| 5 Sep 2026 | 85.1% | 18 |
| 4 Sep 2026 | 84.4% | 18 |
| 3 Sep 2026 | 83.9% | 18 |
| 2 Sep 2026 | 83.9% | 18 |
| 1 Sep 2026 | 83.9% | 18 |
| 31 Aug 2026 | 83.9% | 18 |