Reservoir · Missouri · United States · USACE CWMS
Wappapello Pool
9.9% full
Capacity
756.37 hm³
Volume stored
75 hm³
Coordinates
36.928°N, 90.284°W
Last updated
2026-07-30
Current fill
9.9%vs 7 days ago
0.0%stable
vs 1 year ago
-0.3%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: 2026-07-30.
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 July 30, 2026, Wappapello Pool is filled to 9.9% of its total capacity, holding roughly 75 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 — 93 data points between April 28, 2026 and July 30, 2026 — the level has ranged from a low of 9.8% (June 21, 2026) to a high of 19.6% (July 12, 2026).
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
- 9.9%
- Water stored
- 75 hm³
- Total capacity
- 756 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 0.3 pts
- Primary use
- Multipurpose
- River basin
- Missouri
- Operator
- USACE
- Coordinates
- 36.928°N, 90.284°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 9.9% | 75 |
| 29 Jul 2026 | 9.9% | 75 |
| 28 Jul 2026 | 9.9% | 75 |
| 27 Jul 2026 | 9.9% | 75 |
| 26 Jul 2026 | 10.1% | 76 |
| 25 Jul 2026 | 10.3% | 78 |
| 24 Jul 2026 | 10.7% | 81 |
| 23 Jul 2026 | 11.1% | 84 |
| 22 Jul 2026 | 11.7% | 88 |
| 21 Jul 2026 | 12.3% | 93 |
| 20 Jul 2026 | 12.9% | 98 |
| 19 Jul 2026 | 13.6% | 103 |
Frequently asked questions
What is the current water level of Wappapello Pool?
As of July 30, 2026, Wappapello Pool is at 9.9% of its capacity, holding approximately 75 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Wappapello Pool reservoir full?
No. As of July 30, 2026, Wappapello Pool is critically low at 9.9% 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.