Jim Woodruff Lock and Dam
Dam in Jackson County, Florida · Apalachicola · forms Lake Seminole
Height
92 ft
28 m (NID height)
Length
7,000 ft
2,134 m
Completed
1954
Lake Seminole today
76.43 ft
7 days ▼ 0.91 ft
Normal storage
406,200 acre-ft
Much below normal for the date
Reservoir level measured Oct 23, 2026, 3:00 PM EDT. Full level page →
Facts
- Purposes
- Navigation; Recreation; Hydroelectric; Flood Risk Reduction
- Dam type
- Gravity
- Structural height
- 92 ft
- Owner
- USACE - Mobile District (Federal)
- Maximum storage
- 406,200 acre-ft
- Surface area
- 37,500 acres
- Hydraulic height
- 53 ft
- Drainage area
- 17,200 sq mi
- Spillway
- Controlled, 2,224 ft wide
- Navigation locks
- 1
- Army Corps district
- Mobile District
- Also known as
- Lake Seminole
- NID ID
- FL00435
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID FL00435 at nid.sec.usace.army.mil. Project website.