Fort Gibson Dam
Dam in Wagoner County, Oklahoma · Grand River · forms Ft. Gibson Lake
Height
110 ft
34 m (NID height)
Length
2,990 ft
911 m
Completed
1949
Ft. Gibson Lake today
554.59 ft
7 days ▼ 0.88 ft
vs full pool
▲ 0.59 ft
Normal storage
365,200 acre-ft
Reservoir level measured Oct 23, 2026, 2:00 PM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Hydroelectric
- Dam type
- Gravity
- Structural height
- 110 ft
- Owner
- USACE - Tulsa District (Federal)
- Maximum storage
- 1,284,400 acre-ft
- Surface area
- 19,900 acres
- Hydraulic height
- 99 ft
- Drainage area
- 12,494 sq mi
- Spillway
- Controlled, 1,490 ft wide
- Army Corps district
- Tulsa District
- Also known as
- Fort Gibson Lake
- NID ID
- OK10314
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Sep 29, 2026. Search NID ID OK10314 at nid.sec.usace.army.mil. Project website.