Current level
2,225.72ft
−32.28 ft vs full pool
Low
Vs full pool

Lake J.B. Thomas is currently 32.3 feet below full pool, with a water-surface elevation of 2225.7 feet.
2225.72 ft · Updated Oct 9 · Texas Water Development Board
Current level
2,225.72ft
−32.28 ft vs full pool
Low
Vs full pool
Since last reading
Previous readingOct 62,225.78 ft
7-day change
7-day trend: Falling
8 daily readings in the last 7 days
30-day change
25 daily readings in the last 30 days
Elevation (ft) NGVD29 · MSL
Reference line is designed full pool.
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Get weather alerts and lake notices for Lake J.B. Thomas. Water-level change notifications are not included.
Follow Lake J.B. Thomas — FreeLevel remains below the full pool
Lake J.B. Thomas is currently 2225.72 ft, 32.28 ft below its full pool. The lake has fallen 0.24 ft over the past 7 days and 0.98 ft over the past 30 days.
Reference elevations, recent daily readings, data sources, and answers to common questions.
32.28 ft below full pool
Severe Drought
100% of surrounding county in official drought (D1–D4).
Severity
| Date | Level | Change |
|---|---|---|
| Oct 7, 2026 | 2,225.75 | -0.03 |
| Oct 6, 2026 | 2,225.78 | -0.02 |
| Oct 5, 2026 | 2,225.8 | -0.03 |
| Oct 4, 2026 | 2,225.83 | -0.04 |
| Oct 3, 2026 | 2,225.87 | -0.03 |
| Oct 2, 2026 | 2,225.9 | -0.04 |
| Oct 1, 2026 | 2,225.94 | -0.05 |
| Sep 30, 2026 | 2,225.99 | -0.03 |
| Sep 29, 2026 | 2,226.02 | -0.05 |
| Sep 28, 2026 | 2,226.07 | -0.03 |
| Sep 27, 2026 | 2,226.1 | -0.19 |
| Sep 21, 2026 | 2,226.29 | -0.04 |
| Sep 20, 2026 | 2,226.33 | -0.03 |
| Sep 19, 2026 | 2,226.36 | -0.02 |
The current water level at Lake J.B. Thomas is 2,225.72 ft (updated Oct 9). You can track the Lake J.B. Thomas lake level on the interactive chart and daily history above.
Full pool for Lake J.B. Thomas is 2,258 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.
The current 7-day trend for the Lake J.B. Thomas lake level is falling — falling about 0.24 ft over the past week. See the history chart above for the full picture.
Based on the latest gauge reading, Lake J.B. Thomas is currently 32.28 ft below full pool.
Definitions for pool targets, datums, and how elevation readings are labeled.