Lake Jb Thomas Dam
Dam in Scurry County, Texas · Colorado River · forms Lake J. B. Thomas
Height
105 ft
32 m (NID height)
Length
9,200 ft
2,804 m
Completed
1952
Lake J. B. Thomas today
2,226.36 ft
7 days ▲ 0.38 ft
Normal storage
200,604 acre-ft
Normal for the date
Reservoir level measured Oct 23, 2026, 1:45 PM CDT. Full level page →
Facts
- Purposes
- Water Supply; Recreation
- Dam type
- Earth
- Owner
- COLORADO RIVER MUNICIPAL WATER DISTRICT (Local Government)
- Maximum storage
- 430,600 acre-ft
- Surface area
- 7,820 acres
- Hydraulic height
- 100 ft
- Drainage area
- 997 sq mi
- Spillway
- Uncontrolled, 1,834 ft wide
- Army Corps district
- Fort Worth District
- NID ID
- TX04138
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 6, 2026. Search NID ID TX04138 at nid.sec.usace.army.mil. Project website.