Reservoir · Alabama · United States · USACE CWMS
Holt Lock and Dam
98.6% full
Capacity
145.54 hm³
Volume stored
144 hm³
Coordinates
33.253°N, 87.449°W
Last updated
2026-10-09
Current fill
98.6%vs 7 days ago
+0.5%gaining
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. 33.253, -87.449 · Open in Google Maps
About Holt Lock and Dam
As of October 9, 2026, Holt Lock and Dam is filled to 98.6% of its total capacity, holding roughly 144 hm³ of water out of a maximum 146 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.5 pts).
Across the readings we hold for Holt Lock and Dam — 100 data points between October 10, 2021 and October 9, 2026 — the level has ranged from a low of 97.2% (October 29, 2021) to a high of 99.9% (August 30, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Alabama basin at 33.253°N, 87.449°W.
Key facts
- Current fill level
- 98.6%
- Water stored
- 144 hm³
- Total capacity
- 146 hm³
- 7-day change
- ▲ 0.5 pts
- Primary use
- Multipurpose
- River basin
- Alabama
- Operator
- USACE
- Coordinates
- 33.253°N, 87.449°W
- Last updated
- October 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Oct 2026 | 98.6% | 143 |
| 8 Oct 2026 | 98.6% | 143 |
| 7 Oct 2026 | 98.4% | 143 |
| 6 Oct 2026 | 98.8% | 144 |
| 5 Oct 2026 | 98.7% | 144 |
| 4 Oct 2026 | 98.7% | 144 |
| 3 Oct 2026 | 97.8% | 142 |
| 2 Oct 2026 | 98.1% | 143 |
| 1 Oct 2026 | 98.5% | 143 |
| 30 Sep 2026 | 98.5% | 143 |
| 29 Sep 2026 | 98.0% | 143 |
| 28 Sep 2026 | 97.9% | 143 |