Rathbun Dam
Dam in Appanoose County, Iowa · Chariton River · forms Rathbun Lake
Height
100 ft
30 m (NID height)
Length
10,120 ft
3,085 m
Completed
1969
Rathbun Lake today
905.74 ft
7 days ▼ 0.83 ft
vs full pool
▲ 1.74 ft
Normal storage
205,359 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 1:00 PM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Other; Navigation; Fish and Wildlife Pond; Recreation
- Dam type
- Earth
- Structural height
- 100 ft
- Owner
- USACE - Kansas City District (Federal)
- Maximum storage
- 552,000 acre-ft
- Surface area
- 11,013 acres
- Hydraulic height
- 92 ft
- Drainage area
- 549 sq mi
- Spillway
- Uncontrolled, 500 ft wide
- Army Corps district
- Kansas City District
- Also known as
- Rathbun Lake
- NID ID
- IA00016
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 14, 2026. Search NID ID IA00016 at nid.sec.usace.army.mil. Project website.