Reservoir · Missouri · United States · USACE CWMS
Wappapello Pool
10.8% full
Capacity
756.37 hm³
Volume stored
82 hm³
Coordinates
36.928°N, 90.284°W
Last updated
2026-10-09
Current fill
10.8%vs 7 days ago
-0.1%losing
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. 36.928, -90.284 · Open in Google Maps
About Wappapello Pool
As of October 9, 2026, Wappapello Pool is filled to 10.8% of its total capacity, holding roughly 82 hm³ of water out of a maximum 756 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts).
Across the readings we hold for Wappapello Pool — 199 data points between October 10, 2021 and October 9, 2026 — the level has ranged from a low of 6.3% (January 14, 2022) to a high of 24.2% (December 20, 2021). On average the reservoir is fullest around December and at its lowest around January.
It is operated by USACE primarily for multiple purposes. It lies within the Missouri basin at 36.928°N, 90.284°W.
Key facts
- Current fill level
- 10.8%
- Water stored
- 82 hm³
- Total capacity
- 756 hm³
- 7-day change
- ▼ 0.1 pts
- Primary use
- Multipurpose
- River basin
- Missouri
- Operator
- USACE
- Coordinates
- 36.928°N, 90.284°W
- Last updated
- October 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Oct 2026 | 10.8% | 82 |
| 8 Oct 2026 | 10.8% | 82 |
| 7 Oct 2026 | 10.8% | 82 |
| 6 Oct 2026 | 10.8% | 82 |
| 5 Oct 2026 | 10.9% | 82 |
| 4 Oct 2026 | 10.9% | 82 |
| 3 Oct 2026 | 10.9% | 82 |
| 2 Oct 2026 | 10.9% | 83 |
| 1 Oct 2026 | 10.6% | 80 |
| 30 Sep 2026 | 10.6% | 80 |
| 29 Sep 2026 | 10.6% | 80 |
| 28 Sep 2026 | 10.6% | 80 |