Harry S. Truman Dam
Dam in Benton County, Missouri · Osage River · forms Truman Lake
Height
98 ft
30 m (NID height)
Length
5,000 ft
1,524 m
Completed
1979
Truman Lake today
705.52 ft
7 days ▼ 0.06 ft
vs full pool
▼ 0.50 ft
Normal storage
1,203,404 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 11:00 AM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Fish and Wildlife Pond; Recreation; Hydroelectric
- Dam type
- Rockfill
- Structural height
- 98 ft
- Owner
- USACE - Kansas City District (Federal)
- Maximum storage
- 5,202,000 acre-ft
- Surface area
- 55,600 acres
- Hydraulic height
- 98 ft
- Drainage area
- 11,500 sq mi
- Spillway
- Controlled, 190 ft wide
- Army Corps district
- Kansas City District
- Also known as
- Harry S. Truman Reservoir
- NID ID
- MO20725
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated May 13, 2026. Search NID ID MO20725 at nid.sec.usace.army.mil. Project website.
Other dams at Truman Lake
- Harry S. Truman Dam - Sterett Creek Dike