Gillham Dam
Dam in Howard County, Arkansas · Cossatot · forms Gillham Lake
Height
160 ft
49 m (NID height)
Length
900 ft
274 m
Completed
1975
Gillham Lake today
500.08 ft
7 days ▼ 0.18 ft
vs full pool
▼ 1.92 ft
Normal storage
33,100 acre-ft
Reservoir level measured Oct 23, 2026, 9:00 AM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Recreation; Water Supply
- Dam type
- Concrete
- Structural height
- 30 ft
- Owner
- USACE - Little Rock District (Federal)
- Maximum storage
- 221,800 acre-ft
- Surface area
- 1,300 acres
- Hydraulic height
- 143 ft
- Drainage area
- 271 sq mi
- Spillway
- None
- Army Corps district
- Little Rock District
- Also known as
- Gillham Lake
- NID ID
- AR01200
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 28, 2026. Search NID ID AR01200 at nid.sec.usace.army.mil. Project website.
Other dams at Gillham Lake
- Gillham Lake Dam