Reservoir · Kentucky · United States · USACE CWMS
Dewey Lake
84.0% full
Capacity
21.22 hm³
Volume stored
18 hm³
Vs month average
100% of normal
Coordinates
37.736°N, 82.729°W
Last updated
2026-10-28
Current fill
84.0%vs 7 days ago
+0.7 ppgaining
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
100%of normal
84.0% full on 2026-10-28, against an average of 83.9% for October across 2 years of readings (+0.1 points).
Drought Monitor at this site · 20 October 2026
Nonenot in a drought category
Dewey 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. Kentucky 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. 37.736°N, 82.729°W · Open in Google Maps
About Dewey Lake
As of October 28, 2026, Dewey Lake is filled to 84.0% of its total capacity, holding 17.83 hm³ of water out of a maximum 21.22 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.7 pp).
Across the readings we hold for Dewey Lake — 100 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 55.6% (December 17, 2021) to a high of 85.5% (October 13, 2026).
It is operated by USACE primarily for multiple purposes. It is at 37.736°N, 82.729°W.
Key facts
- Current fill level
- 84.0% of total capacity
- Water stored
- 17.83 hm³
- Total capacity
- 21.22 hm³
- 7-day change
- ▲ 0.7 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 37.736°N, 82.729°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 84.0% | 17.83 |
| 27 Oct 2026 | 83.9% | 17.81 |
| 26 Oct 2026 | 83.9% | 17.81 |
| 25 Oct 2026 | 83.8% | 17.78 |
| 24 Oct 2026 | 83.7% | 17.77 |
| 23 Oct 2026 | 83.6% | 17.74 |
| 22 Oct 2026 | 83.5% | 17.72 |
| 21 Oct 2026 | 83.3% | 17.68 |
| 20 Oct 2026 | 83.0% | 17.62 |
| 19 Oct 2026 | 82.7% | 17.55 |
| 18 Oct 2026 | 82.9% | 17.59 |
| 17 Oct 2026 | 83.7% | 17.76 |