Truman Lake Water Level Today
Missouri · near Warsaw · Near full pool
- Elevation
- 705.39 ft
- From full pool
- −0.63 ft
- Percent of pool
- 99.2%
- 24-hour change
- +0.02 ft
- 7-day change
- +0.03 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Truman Lake
Truman Lake is 0.63 ft below full pool, at 705.39 ft, up 0.02 ft in the last 24 hours. That puts the lake at 99.2 percent of its conservation pool. The top of the flood pool is 34.2 ft higher, at 739.60 ft.
Over the last 7 days the level held steady, and over 30 days it fell 0.34 ft. In the 400 days of readings on this page the high was 715.94 ft on May 1, 2026 and the low was 704.35 ft on Nov 19, 2025, a range of 11.59 ft.
The reading is the U.S. Army Corps of Engineers gauge at Harry S Truman Dam & Reservoir, near Warsaw, taken Sep 21, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Truman Lake pool elevations
| Current elevation | 705.39 ft |
|---|---|
| Full pool (top of conservation) | 706.02 ft |
| Top of flood pool | 739.60 ft |
| Bottom of conservation pool | 628.00 ft |
| Top of dam | 756.00 ft |
| Inflow | 1,800 cfs |
| Outflow | 250 cfs |
| 30-day change | −0.34 ft |
| 1-year high | 715.94 ft (May 1, 2026) |
| 1-year low | 704.35 ft (Nov 19, 2025) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, NWK district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Missouri
- Table Rock Lake 912.04 ft, −4.96 ft from full
- Stockton Lake 862.56 ft, −4.44 ft from full
- Blue Springs Reservoir 801.72 ft, −0.28 ft from full
- Clearwater Lake 496.56 ft, +0.76 ft from full
- Long Branch Reservoir 790.17 ft, −0.83 ft from full
- Longview Reservoir 891.02 ft, +0.02 ft from full
Truman Lake level questions
What is the water level of Truman Lake today?
Truman Lake is at 705.39 ft as of Sep 21, 2026, −0.63 ft relative to full pool (706.02 ft). The 24-hour change is +0.02 ft.
What is full pool at Truman Lake?
Full pool, the top of the conservation pool, is 706.02 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 739.60 ft. The bottom of the conservation pool is 628.00 ft.
Is Truman Lake rising or falling?
Over the last 24 hours the level is +0.02 ft; over 7 days it held steady, and over 30 days it fell 0.34 ft.
Where does this Truman Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Harry S Truman Dam & Reservoir. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.