Blue Mountain Dam
Dam in Yell County, Arkansas · Petit Jean · forms Blue Mountain Lake
Height
115 ft
35 m (NID height)
Length
2,800 ft
853 m
Completed
1947
Blue Mountain Lake today
371.05 ft
7 days ▼ 0.22 ft
vs full pool
▼ 2.95 ft
Normal storage
25,000 acre-ft
Reservoir level measured Oct 23, 2026, 7:00 AM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Recreation; Water Supply
- Dam type
- Earth
- Structural height
- 115 ft
- Owner
- USACE - Little Rock District (Federal)
- Maximum storage
- 258,000 acre-ft
- Surface area
- 2,910 acres
- Hydraulic height
- 81 ft
- Drainage area
- 488 sq mi
- Spillway
- Uncontrolled, 150 ft wide
- Army Corps district
- Little Rock District
- Also known as
- Blue Mountain Lake
- NID ID
- AR00157
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 28, 2026. Search NID ID AR00157 at nid.sec.usace.army.mil. Project website.