Reservoir · Alabama · United States · USACE CWMS
Holt Lock and Dam
98.4% full
Capacity
145.54 hm³
Volume stored
143 hm³
Vs month average
100% of normal
Coordinates
33.253°N, 87.449°W
Last updated
2026-10-29
Current fill
98.4%vs 7 days ago
-0.5 pplosing
vs 1 year ago
N/A7-day trend
→stable
Drought context
Storage vs October average
100%of normal
98.4% full on 2026-10-29, against an average of 98.5% for October across 2 years of readings (-0.1 points).
Drought Monitor at this site · 27 October 2026
D1moderate drought
The ground at Holt 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. Alabama 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: 2026-10-29.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 33.253°N, 87.449°W · Open in Google Maps
About Holt Lock and Dam
As of October 29, 2026, Holt Lock and Dam is filled to 98.4% of its total capacity, holding 143.16 hm³ of water out of a maximum 145.54 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.5 pp).
Across the readings we hold for Holt Lock and Dam — 100 data points between October 30, 2021 and October 29, 2026 — the level has ranged from a low of 96.7% (December 14, 2021) to a high of 99.6% (November 6, 2021).
It is operated by USACE primarily for multiple purposes. It is at 33.253°N, 87.449°W.
Key facts
- Current fill level
- 98.4% of total capacity
- Water stored
- 143.16 hm³
- Total capacity
- 145.54 hm³
- 7-day change
- ▼ 0.5 pp
- Primary use
- Multipurpose
- Operator
- USACE
- Coordinates
- 33.253°N, 87.449°W
- Last updated
- October 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Oct 2026 | 98.4% | 143.16 |
| 28 Oct 2026 | 98.0% | 142.67 |
| 27 Oct 2026 | 97.9% | 142.47 |
| 26 Oct 2026 | 98.3% | 143.08 |
| 25 Oct 2026 | 98.5% | 143.32 |
| 24 Oct 2026 | 98.2% | 142.88 |
| 23 Oct 2026 | 98.0% | 142.67 |
| 22 Oct 2026 | 98.9% | 143.88 |
| 21 Oct 2026 | 98.9% | 143.97 |
| 20 Oct 2026 | 98.6% | 143.56 |
| 19 Oct 2026 | 98.9% | 143.88 |
| 18 Oct 2026 | 99.1% | 144.21 |