Mansfield Dam
Dam in Travis County, Texas · Colorado River · forms Lake Travis
Height
277 ft
84 m (NID height)
Length
7,089 ft
2,161 m
Completed
1942
Lake Travis today
677.36 ft
7 days ▼ 0.39 ft
vs full pool
▼ 3.64 ft
Normal storage
1,953,900 acre-ft
Reservoir level measured Oct 23, 2026, 1:00 PM CDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction; Irrigation; Hydroelectric; Water Supply
- Dam type
- Earth
- Owner
- LOWER COLORADO RIVER AUTHORITY (Local Government)
- Maximum storage
- 3,223,000 acre-ft
- Surface area
- 18,929 acres
- Hydraulic height
- 277 ft
- Drainage area
- 38,130 sq mi
- Army Corps district
- Galveston District
- NID ID
- TX01087
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID TX01087 at nid.sec.usace.army.mil. Project website.