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Water level data comes from public feeds published by USGS, the Bureau of Reclamation, USACE, TVA, Duke Energy, Alabama Power & Georgia Power. Readings are cached briefly and may lag the source by up to an hour. LakeLevels is not affiliated with any government agency or utility — always verify conditions with official sources before making decisions on the water.

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Home/Texas/Lake J.B. Thomas

Lake J.B. Thomas

Texas Water Development Board

TX · 32.5932, -101.1382

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Reservoir Elevation

2226.72ft
As of Sep 9, 2026, 12:00 AM UTC

Published by Texas Water Development Board

Full pool

2258.0 ft

Percent full (by volume)

21%

Water held in the conservation pool, as measured by the operator

Elevation vs full pool

98.6%

Surface height against full-pool height, not stored water

Reservoir conditions

Storage
42,030 acre-feet
Minimum pool
2200.0 ft
Surface area
3,162 acres

Historical levels

About Lake J.B. Thomas

Lake J.B. Thomas is located in TX at coordinates 32.5932°N, 101.1382°W. Water level data is provided by Texas Water Development Board. The full pool elevation is 2258.0 ft. The latest reading is 2226.72 ft. By volume it is holding 21% of the water it holds when full. Its surface sits at 98.6% of its full pool elevation — a ratio of heights, which is not the same as the share of water stored.

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Lake J.B. Thomas

TX

2226.72 ft

24h change not published

As of Sep 9, 2026, 12:00 AM UTC

Water levels by LakeLevels

Water level data comes from public feeds published by USGS, the Bureau of Reclamation, USACE, TVA, Duke Energy, Alabama Power & Georgia Power. Readings are cached briefly and may lag the source by up to an hour. LakeLevels is not affiliated with any government agency or utility — always verify conditions with official sources before making decisions on the water.

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LakeLevelsBETA
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MapAll lakesBy stateAbout