Reservoir · Alabama · United States · USACE CWMS
Holt Lock and Dam
98.9% full
Capacity
145.54 hm³
Volume stored
144 hm³
Coordinates
33.253°N, 87.449°W
Last updated
2026-09-14
Current fill
98.9%vs 7 days ago
+1.0%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: 2026-09-14.
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 September 14, 2026, Holt Lock and Dam is filled to 98.9% 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 (+1.0 pts).
Across the readings we hold for Holt Lock and Dam — 47 data points between July 30, 2026 and September 14, 2026 — the level has ranged from a low of 97.8% (August 23, 2026) to a high of 100.6% (August 5, 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
- 98.9%
- Water stored
- 144 hm³
- Total capacity
- 146 hm³
- 7-day change
- ▲ 1.0 pts
- Primary use
- Multipurpose
- River basin
- Alabama
- Operator
- USACE
- Coordinates
- 33.253°N, 87.449°W
- Last updated
- September 14, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 14 Sep 2026 | 98.9% | 144 |
| 13 Sep 2026 | 98.5% | 143 |
| 12 Sep 2026 | 99.8% | 145 |
| 11 Sep 2026 | 98.3% | 143 |
| 10 Sep 2026 | 98.6% | 143 |
| 9 Sep 2026 | 99.4% | 145 |
| 8 Sep 2026 | 99.4% | 145 |
| 7 Sep 2026 | 97.9% | 142 |
| 6 Sep 2026 | 98.1% | 143 |
| 5 Sep 2026 | 98.9% | 144 |
| 4 Sep 2026 | 98.7% | 144 |
| 3 Sep 2026 | 99.3% | 145 |