Fort Randall Dam
Dam in Charles Mix County, South Dakota · Missouri River · forms Fort Randall Reservoir
Height
170 ft
52 m (NID height)
Length
10,700 ft
3,261 m
Completed
1954
Fort Randall Reservoir today
1,344.14 ft
7 days ▼ 3.90 ft
vs full pool
▼ 5.86 ft
Normal storage
3,800,000 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 10:00 AM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Navigation; Recreation; Hydroelectric
- Dam type
- Earth
- Structural height
- 170 ft
- Owner
- USACE - Omaha District (Federal)
- Maximum storage
- 6,300,000 acre-ft
- Surface area
- 118,400 acres
- Hydraulic height
- 160 ft
- Drainage area
- 14,150 sq mi
- Spillway
- Controlled, 1,000 ft wide
- Army Corps district
- Omaha District
- Also known as
- Lake Francis Case
- NID ID
- SD01093
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Aug 31, 2026. Search NID ID SD01093 at nid.sec.usace.army.mil. Project website.