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Truman Lake Water Level Today

Also known as Harry S. Truman Lake

Daily level, distance to full pool and history for Truman Lake, on the Osage River in Missouri.

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

705.09ft

msl · 8:00 PM CST, Nov 7, 2026

  • 0.93 ftbelow full pool (706.0 ft)
  • 1,129,788acre-ft in storage
  • +0.07 ftin 24 h−0.14 ft in 7 days−0.32 ft in 30 days
704706708710704706708710704706708710
  • Full pool
  • 1 yr ago

Is Truman Lake full?

No. Truman Lake is 0.93 ft below full pool (706.0 ft). It is 0.61 ft higher than a year ago (704.48 ft on Nov 7, 2025).

Truman Lake level history

Full pool 706.0 ft
View data table
DateLevel (ft)% full
Nov 7, 2026705.09—
Nov 6, 2026705.10—
Nov 5, 2026705.07—
Nov 4, 2026705.10—
Nov 3, 2026705.17—
Nov 2, 2026705.16—
Nov 1, 2026705.18—
Oct 31, 2026705.16—
Oct 30, 2026705.14—
Oct 29, 2026705.16—
Oct 28, 2026705.44—
Oct 27, 2026705.59—
Oct 26, 2026705.58—
Oct 25, 2026705.55—
Oct 24, 2026705.56—
Oct 23, 2026705.58—
Oct 22, 2026705.57—
Oct 21, 2026705.56—
Oct 20, 2026705.57—
Oct 19, 2026705.57—
Oct 18, 2026705.59—
Oct 17, 2026705.60—
Oct 16, 2026705.62—
Oct 15, 2026705.68—
Oct 14, 2026705.71—
Oct 13, 2026705.67—
Oct 12, 2026705.62—
Oct 11, 2026705.58—
Oct 10, 2026705.48—
Oct 9, 2026705.44—
Oct 8, 2026705.41—
  • Truman Lake level
  • Full pool 706.0 ft
  • Above full pool
Source: USACE · Daily averages since 1986

Truman Lake on Nov 7 in past years

Truman Lake water level on Nov 7 in past years
YearLevel (ft)vs todayvs full pool
2026today705.09—−0.93 ft
2025704.48−0.61−1.54 ft
2024705.39+0.30−0.63 ft
2023705.73+0.64−0.29 ft
2022704.77−0.32−1.25 ft
2021707.04+1.95+1.02 ft
2020704.36−0.73−1.66 ft
2019706.75+1.66+0.73 ft
2018707.34+2.25+1.32 ft
2017707.88+2.79+1.86 ft
2016706.28+1.19+0.26 ft

Today’s level is the highest for this date since 2024.

Lake facts

Full pool (conservation pool)
706.0 ft msl
Top of flood pool
739.6 ft msl
Bottom of conservation pool
628.0 ft msl
Highest since 1986
739.67 ftJun 4, 2019
Lowest since 1986
704.10 ftNov 2, 2011
Data since
Apr 23, 1986
Dam
Harry S. Truman Damcompleted 1979
River
Osage River
Operated by
US Army Corps of Engineers, Kansas City District
Dam location
Benton County
Gauge location
38.2630, −93.4055

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Apr 23, 1986 to today (daily averages).

Weather on the lake

  1. Tonight37°FLowW 2 mphMostly Clear
  2. Sunday64°FHighLow 42°FSW 5 mphSunny
  3. Monday68°FHighLow 46°FSW 0–6 mphSunny
  4. Tuesday70°FHighLow 50°FSW 3 mphSunny
  5. Wednesday66°FHighLow 43°FNW 1–9 mphSlight Chance Rain Showers
  6. Thursday56°FHighLow 36°FN 5–10 mphMostly Sunny
  7. Friday55°FHighLow 38°FN 3 mphSunny

Forecast: National Weather Service for the dam area (38.26, −93.41). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Truman Lake?
706.0 ft above mean sea level, the top of its conservation pool. Above it, water is held in the flood pool (up to 739.6 ft) and released through Harry S. Truman Dam when conditions downstream allow.
How much does Truman Lake need to be full?
Truman Lake needs 0.93 ft more water to reach full pool (706.0 ft), as of Nov 7, 2026.
Is Truman Lake rising or falling?
It is falling: −0.14 ft in the last 7 days and +0.07 ft in 24 hours, to 705.09 ft on 8:00 PM CST, Nov 7, 2026 (US Army Corps of Engineers).
When was Truman Lake last full?
It was last at or above full pool (706.0 ft) on Aug 5, 2026. On Nov 7, 2026 it was 0.93 ft below.
What is the highest level in our data?
Truman Lake reached 739.67 ft on Jun 4, 2019. The lowest was 704.10 ft on Nov 2, 2011 (USACE data since 1986; older records are not in this data set).
How much has Truman Lake changed in the last year?
In the last 12 months it ranged from 704.34 ft (Nov 19, 2025) to 715.93 ft (May 1, 2026), a swing of 11.59 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Army Corps of Engineers. The last reading is from 8:00 PM CST, Nov 7, 2026.

Where this data comes from

Hourly pool elevation from the US Army Corps of Engineers (water.usace.army.mil). Recent readings are provisional and may be revised. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.