Truman Lake lake and shoreline

Truman Lake Water Level

Officially Harry S. Truman Reservoir

Missouri

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Truman Lake

Truman Lake is currently 2.6 feet below full pool, with a water-surface elevation of 703.4 feet.

703.41 ft · Updated 6 hours ago · NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Current level

703.41ft

−2.59 ft vs full pool

Normal

Vs full pool

Since last reading

Up 0.02 ft

Previous readingNov 10703.38 ft

7-day change

No meaningful change

7-day trend: Stable

8 daily readings in the last 7 days

30-day change

Down 2.22 ft

30 daily readings in the last 30 days

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Water Level History

Current
703.41 ft
24h
+0.02 ft
7d
0.00 ft
30d
-2.22 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

Water Temperature

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Lake Level Context

Level remains below the full pool

Truman Lake is currently 703.41 ft, 2.59 ft below its full pool. The lake has changed little over the past 7 days and fallen 2.22 ft over the past 30 days.

Truman Lake Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

2.59 ft below full pool

Current level
703.41 ft
Full pool
706 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
NOAA / NWS

Reference levels

  • Full pool706 ft
  • Flood stage740 ft

Surrounding county drought

Moderate Drought

57.5% of surrounding county in official drought (D1–D4).

Severity

NoneExtreme
Trend
Worsening

Surrounding county drought

Benton County, MO

Moderate Drought

Moderate Drought. The largest share of Benton County, MO is in Moderate Drought (D1), an official USDM drought category. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Worsening compared with last week. Official drought (D1–D4) yes

Severity

NoneExtreme

Weekly trend

Worsening

Compared with last week

Official drought (D1–D4)

Yes

57.5% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Moderate Drought.

Typical county impacts (USDM guidance)

  • Streamflows in the surrounding county may run below normal
  • Soils and vegetation can dry between rain events
  • Water managers may begin to watch supply more closely

U.S. Drought Monitor · map date Nov 3, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Benton County, MO

Daily level summary

DateLevelChange
Nov 11, 2026703.4+0.02
Nov 10, 2026703.38+0.02
Nov 9, 2026703.36+0.05
Nov 8, 2026703.31-0.06
Nov 7, 2026703.37-0.03
Nov 6, 2026703.4+0.04
Nov 5, 2026703.36-0.04

Common questions about Truman Lake’s water level

  • The current water level at Truman Lake is 703.41 ft (updated 6 hours ago). You can track the Truman Lake lake level on the interactive chart and daily history above.

  • Full pool for Truman Lake is 706 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • Over the past seven days the Truman Lake lake level has held relatively steady — the current 7-day trend is Stable. The history chart above shows the full trend.

  • Based on the latest gauge reading, Truman Lake is currently 2.59 ft below full pool.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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