Reservoir · Alabama · United States · USACE CWMS
Demopolis Lock and Dam
78.4% full
Capacity
234.11 hm³
Volume stored
184 hm³
Coordinates
32.522°N, 87.879°W
Last updated
2026-07-31
Current fill
78.4%vs 7 days ago
+1.2%gaining
vs 1 year ago
N/A7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-07-31.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 32.522, -87.879 · Open in Google Maps
About Demopolis Lock and Dam
As of July 31, 2026, Demopolis Lock and Dam is filled to 78.4% of its total capacity, holding roughly 184 hm³ of water out of a maximum 234 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+1.2 pts).
Across the readings we hold for Demopolis Lock and Dam — 45 data points between June 15, 2026 and July 31, 2026 — the level has ranged from a low of 70.0% (July 3, 2026) to a high of 100.0% (June 19, 2026).
It is operated by USACE primarily for multiple purposes. It lies within the Alabama basin at 32.522°N, 87.879°W.
Key facts
- Current fill level
- 78.4%
- Water stored
- 184 hm³
- Total capacity
- 234 hm³
- 7-day change
- ▲ 1.2 pts
- Primary use
- Multipurpose
- River basin
- Alabama
- Operator
- USACE
- Coordinates
- 32.522°N, 87.879°W
- Last updated
- July 31, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 31 Jul 2026 | 78.4% | 184 |
| 30 Jul 2026 | 77.2% | 181 |
| 29 Jul 2026 | 77.4% | 181 |
| 28 Jul 2026 | 79.1% | 185 |
| 27 Jul 2026 | 78.9% | 185 |
| 26 Jul 2026 | 77.1% | 181 |
| 25 Jul 2026 | 74.2% | 174 |
| 24 Jul 2026 | 76.3% | 179 |
| 23 Jul 2026 | 75.5% | 177 |
| 22 Jul 2026 | 75.4% | 177 |
| 21 Jul 2026 | 73.4% | 172 |
| 20 Jul 2026 | 74.9% | 175 |
Frequently asked questions
What is the current water level of Demopolis Lock and Dam?
As of July 31, 2026, Demopolis Lock and Dam is at 78.4% of its capacity, holding approximately 184 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Demopolis Lock and Dam reservoir full?
No. As of July 31, 2026, Demopolis Lock and Dam is within its normal operating range at 78.4% of its capacity, so it is not full.
Is the water level at Demopolis Lock and Dam rising or falling?
The level at Demopolis Lock and Dam has been broadly stable over the latest week on record (+1.2 points).
How much water can Demopolis Lock and Dam hold?
Demopolis Lock and Dam has a total capacity of 234 hm³.
Where is Demopolis Lock and Dam reservoir located?
Demopolis Lock and Dam is located in Alabama, United States, within the Alabama basin (coordinates 32.522°N, 87.879°W).
What is Demopolis Lock and Dam used for?
Demopolis Lock and Dam is used primarily for multiple purposes, and is managed by USACE.