Wister Dam
Dam in Le Flore County, Oklahoma · Poteau River · forms Wister Lake
Height
99 ft
30 m (NID height)
Length
5,700 ft
1,737 m
Completed
1949
Wister Lake today
474.51 ft
7 days ▼ 0.32 ft
vs full pool
▼ 3.49 ft
Normal storage
51,589 acre-ft
Reservoir level measured Oct 23, 2026, 9:00 AM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Other; Water Supply
- Dam type
- Earth
- Structural height
- 99 ft
- Owner
- USACE - Tulsa District (Federal)
- Maximum storage
- 427,481 acre-ft
- Surface area
- 6,745 acres
- Hydraulic height
- 95 ft
- Drainage area
- 993 sq mi
- Spillway
- Uncontrolled, 600 ft wide
- Army Corps district
- Tulsa District
- Also known as
- Wister Lake
- NID ID
- OK10315
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 22, 2026. Search NID ID OK10315 at nid.sec.usace.army.mil. Project website.