Blakely Mountain Dam
Dam in Garland County, Arkansas · Ouachita River · forms Lake Ouachita
Height
240 ft
73 m (NID height)
Length
1,100 ft
335 m
Completed
1953
Lake Ouachita today
568.85 ft
7 days ▼ 0.44 ft
vs full pool
▼ 9.15 ft
Normal storage
2,151,100 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 12:00 PM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Recreation; Hydroelectric; Water Supply
- Dam type
- Earth
- Structural height
- 240 ft
- Owner
- USACE - Vicksburg District (Federal)
- Maximum storage
- 3,760,700 acre-ft
- Surface area
- 40,100 acres
- Hydraulic height
- 216 ft
- Drainage area
- 1,105 sq mi
- Spillway
- Uncontrolled, 200 ft wide
- Army Corps district
- Vicksburg District
- Also known as
- Lake Ouachita
- NID ID
- AR00150
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 29, 2026. Search NID ID AR00150 at nid.sec.usace.army.mil. Project website.