Reservoir · Kentucky · United States · USACE CWMS
Dewey Lake
83.5% full
Capacity
21.22 hm³
Volume stored
18 hm³
Coordinates
37.736°N, 82.729°W
Last updated
2026-10-09
Current fill
83.5%vs 7 days ago
-0.1%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: 2026-10-09.
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 October 9, 2026, Dewey Lake is filled to 83.5% 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 (-0.1 pts).
Across the readings we hold for Dewey Lake — 100 data points between October 10, 2021 and October 9, 2026 — the level has ranged from a low of 57.1% (December 1, 2021) to a high of 85.2% (October 17, 2021).
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
- 83.5%
- Water stored
- 18 hm³
- Total capacity
- 21 hm³
- 7-day change
- ▼ 0.1 pts
- Primary use
- Multipurpose
- River basin
- Kentucky
- Operator
- USACE
- Coordinates
- 37.736°N, 82.729°W
- Last updated
- October 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Oct 2026 | 83.5% | 18 |
| 8 Oct 2026 | 83.5% | 18 |
| 7 Oct 2026 | 83.6% | 18 |
| 6 Oct 2026 | 83.6% | 18 |
| 5 Oct 2026 | 83.6% | 18 |
| 4 Oct 2026 | 83.7% | 18 |
| 3 Oct 2026 | 83.7% | 18 |
| 2 Oct 2026 | 83.6% | 18 |
| 1 Oct 2026 | 83.7% | 18 |
| 30 Sep 2026 | 83.7% | 18 |
| 29 Sep 2026 | 83.7% | 18 |
| 28 Sep 2026 | 83.8% | 18 |