Reservoir · Mississippi · United States · USACE CWMS
Arkabutla Lake
5.1% full
Capacity
420.49 hm³
Volume stored
21 hm³
Vs month average
26% of normal
Coordinates
34.757°N, 90.124°W
Last updated
2026-10-15
Current fill
5.1%vs 7 days ago
-10.0%losing
vs 1 year ago
N/A7-day trend
↓falling
Drought context
Storage vs October average
26%of normal
5.1% full on 2026-10-15, against an average of 20.0% for October across 3 years of readings (-14.9 points).
Drought Monitor at this site · 13 October 2026
D2severe drought
The ground at Arkabutla Lake's coordinates falls inside the D2 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Mississippi drought figures →
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: 2026-10-15.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.757, -90.124 · Open in Google Maps
About Arkabutla Lake
As of October 15, 2026, Arkabutla Lake is filled to 5.1% of its total capacity, holding roughly 21 hm³ of water out of a maximum 420 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has fallen by 10.0 percentage points.
Across the readings we hold for Arkabutla Lake — 330 data points between October 16, 2021 and October 15, 2026 — the level has ranged from a low of 1.5% (August 3, 2026) to a high of 100.0% (April 26, 2022). On average the reservoir is fullest around May and at its lowest around August.
It is operated by USACE primarily for multiple purposes. It lies within the Mississippi basin at 34.757°N, 90.124°W.
Key facts
- Current fill level
- 5.1%
- Water stored
- 21 hm³
- Total capacity
- 420 hm³
- 7-day change
- ▼ 10.0 pts
- Primary use
- Multipurpose
- River basin
- Mississippi
- Operator
- USACE
- Coordinates
- 34.757°N, 90.124°W
- Last updated
- October 15, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 15 Oct 2026 | 5.1% | 21 |
| 14 Oct 2026 | 5.6% | 24 |
| 13 Oct 2026 | 6.7% | 28 |
| 12 Oct 2026 | 7.9% | 33 |
| 11 Oct 2026 | 9.6% | 41 |
| 10 Oct 2026 | 11.7% | 49 |
| 9 Oct 2026 | 13.5% | 57 |
| 8 Oct 2026 | 15.1% | 63 |
| 7 Oct 2026 | 15.3% | 64 |
| 6 Oct 2026 | 15.1% | 64 |
| 5 Oct 2026 | 15.0% | 63 |
| 4 Oct 2026 | 14.8% | 62 |