Reservoir · Tennessee · United States · USACE CWMS
Cordell Hull Lock and Dam
92.7% full
Capacity
318.24 hm³
Volume stored
295 hm³
Vs month average
98% of normal
Coordinates
36.291°N, 85.943°W
Last updated
2026-10-28
Current fill
92.7%vs 7 days ago
+0.6 ppgaining
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
98%of normal
92.7% full on 2026-10-28, against an average of 94.5% for October across 2 years of readings (-1.8 points).
Drought Monitor at this site · 20 October 2026
D1moderate drought
The ground at Cordell Hull Lock and Dam's coordinates falls inside the D1 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Tennessee 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. 36.291°N, 85.943°W · Open in Google Maps
About Cordell Hull Lock and Dam
As of October 28, 2026, Cordell Hull Lock and Dam is filled to 92.7% of its total capacity, holding 294.93 hm³ of water out of a maximum 318.24 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.6 pp).
Across the readings we hold for Cordell Hull Lock and Dam — 330 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 79.9% (February 2, 2022) to a high of 102.8% (January 11, 2022). On average the reservoir is fullest around August and at its lowest around March.
It is operated by USACE primarily for multiple purposes. It is at 36.291°N, 85.943°W.
Key facts
- Current fill level
- 92.7% of total capacity
- Water stored
- 294.93 hm³
- Total capacity
- 318.24 hm³
- 7-day change
- ▲ 0.6 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 36.291°N, 85.943°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 92.7% | 294.93 |
| 27 Oct 2026 | 92.6% | 294.79 |
| 26 Oct 2026 | 92.5% | 294.38 |
| 25 Oct 2026 | 94.9% | 302.04 |
| 24 Oct 2026 | 93.0% | 296.03 |
| 23 Oct 2026 | 92.9% | 295.62 |
| 22 Oct 2026 | 92.2% | 293.28 |
| 21 Oct 2026 | 92.1% | 293 |
| 20 Oct 2026 | 92.0% | 292.87 |
| 19 Oct 2026 | 93.0% | 296.03 |
| 18 Oct 2026 | 94.6% | 300.91 |
| 17 Oct 2026 | 93.7% | 298.09 |