Gavins Point Dam
Dam in Cedar County, South Dakota · Missouri River · forms Gavins Point Reservoir
Height
74 ft
23 m (NID height)
Length
8,700 ft
2,652 m
Completed
1958
Gavins Point Reservoir today
1,207.93 ft
7 days ▼ 0.09 ft
vs full pool
▲ 3.43 ft
Normal storage
375,000 acre-ft
Above normal for the date
Reservoir level measured Oct 23, 2026, 9:00 AM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Navigation; Recreation; Hydroelectric
- Dam type
- Earth
- Structural height
- 74 ft
- Owner
- USACE - Omaha District (Federal)
- Maximum storage
- 540,000 acre-ft
- Surface area
- 32,000 acres
- Hydraulic height
- 50 ft
- Drainage area
- 16,000 sq mi
- Spillway
- Controlled, 664 ft wide
- Army Corps district
- Omaha District
- Also known as
- Lewis and Clark Lake
- NID ID
- SD01094
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Aug 31, 2026. Search NID ID SD01094 at nid.sec.usace.army.mil. Project website.
Other dams at Gavins Point Reservoir
- Gavins Point Dam - Yankton Dam