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Reservoir · Missouri · United States · USACE CWMS

Wappapello Pool

10.6% full

Capacity

756.37 hm³

Volume stored

80 hm³

Vs month average

96% of normal

Coordinates

36.928°N, 90.284°W

Last updated

2026-10-28

Current fill

10.6%
Critical

vs 7 days ago

-0.1 pp

losing

vs 1 year ago

N/A

7-day trend

→

stable

Drought context

Storage vs October average

96%of normal

10.6% full on 2026-10-28, against an average of 11.0% for October across 2 years of readings (-0.4 points).

Drought Monitor at this site · 20 October 2026

D0abnormally dry

The ground at Wappapello Pool's coordinates falls inside the D0 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Missouri drought figures →

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: 2026-10-28.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.928°N, 90.284°W · Open in Google Maps

About Wappapello Pool

As of October 28, 2026, Wappapello Pool is filled to 10.6% of its total capacity, holding 80.19 hm³ of water out of a maximum 756.37 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 pp).

Across the readings we hold for Wappapello Pool — 199 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 4.9% (January 31, 2022) to a high of 24.2% (December 20, 2021). On average the reservoir is fullest around December and at its lowest around February.

It is operated by USACE primarily for multiple purposes. It is at 36.928°N, 90.284°W.

Key facts

Current fill level
10.6% of total capacity
Water stored
80.19 hm³
Total capacity
756.37 hm³
7-day change
▼ 0.1 pp
Primary use
Multipurpose
Operator
USACE
Coordinates
36.928°N, 90.284°W
Last updated
October 28, 2026

Recent readings

DateFill levelVolume (hm³)
28 Oct 202610.6%80.19
27 Oct 202610.6%80.19
26 Oct 202610.6%80.19
25 Oct 202610.6%80.3
24 Oct 202610.6%80.4
23 Oct 202610.6%80.5
22 Oct 202610.6%80.5
21 Oct 202610.7%80.61
20 Oct 202610.7%80.81
19 Oct 202610.7%80.91
18 Oct 202610.7%81.02
17 Oct 202610.7%81.12

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