Reservoir · Missouri · United States · USACE CWMS
Wappapello Pool
10.5% full
Capacity
756.37 hm³
Volume stored
80 hm³
Coordinates
36.928°N, 90.284°W
Last updated
2026-05-27
Current fill
10.5%vs 7 days ago
0.0%stable
vs 1 year ago
+0.5%year-over-year
7-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: 2026-05-27.
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 May 27, 2026, Wappapello Pool is filled to 10.5% of its total capacity, holding roughly 80 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 (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Wappapello Pool — 210 data points between June 13, 2021 and May 27, 2026 — the level has ranged from a low of 4.7% (February 27, 2026) to a high of 22.5% (March 9, 2026). On average the reservoir is fullest around September and at its lowest around February.
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
- 10.5%
- Water stored
- 80 hm³
- Total capacity
- 756 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 0.5 pts
- Primary use
- Multipurpose
- River basin
- Missouri
- Operator
- USACE
- Coordinates
- 36.928°N, 90.284°W
- Last updated
- May 27, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 27 May 2026 | 10.5% | 80 |
| 26 May 2026 | 10.5% | 80 |
| 25 May 2026 | 10.5% | 79 |
| 24 May 2026 | 10.4% | 79 |
| 23 May 2026 | 10.4% | 78 |
| 22 May 2026 | 10.4% | 78 |
| 21 May 2026 | 10.3% | 78 |
| 20 May 2026 | 10.3% | 78 |
| 19 May 2026 | 10.2% | 77 |
| 18 May 2026 | 10.2% | 77 |
| 17 May 2026 | 10.1% | 76 |
| 16 May 2026 | 10.1% | 77 |
Frequently asked questions
What is the current water level of Wappapello Pool?
As of May 27, 2026, Wappapello Pool is at 10.5% of its capacity, holding approximately 80 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Wappapello Pool reservoir full?
No. As of May 27, 2026, Wappapello Pool is critically low at 10.5% of its capacity, so it is not full.
Is the water level at Wappapello Pool rising or falling?
The level at Wappapello Pool has been broadly stable over the latest week on record (0.0 points).
How much water can Wappapello Pool hold?
Wappapello Pool has a total capacity of 756 hm³.
Where is Wappapello Pool reservoir located?
Wappapello Pool is located in Missouri, United States, within the Missouri basin (coordinates 36.928°N, 90.284°W).
What is Wappapello Pool used for?
Wappapello Pool is used primarily for multiple purposes, and is managed by USACE.