Lake LBJ lake and shoreline

Lake LBJ Water Level

Officially Lake Lyndon B. Johnson (Wirtz Dam)

Texas

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Lake LBJ is currently 0.2 feet below full pool, with a water-surface elevation of 824.8 feet.

824.79 ft · Updated 56 minutes ago · Lower Colorado River Authority

Current level

824.79ft

−0.21 ft vs full pool

Normal

Vs full pool

Since last reading

Up 0.01 ft

Previous readingSep 9824.81 ft

7-day change

Up 0.06 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Up 0.16 ft

31 daily readings in the last 30 days

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Water Level History

Elevation (ft) MSL

825 ft825 ft825 ftFULL POOL 825.00 ftAug 12Sep 11

Level status

0.21 ft below full pool

Current level
824.79 ft
Full pool
825 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
Lower Colorado River Authority

Reference levels

  • Full pool825 ft

Watershed drought

Abnormally Dry

0.3% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Llano County, TX

Abnormally Dry

Abnormally Dry. The surrounding county is abnormally dry, which is not official drought.. Trend: Stable compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

Yes

0.3% of the watershed is currently classified as official drought (D1+).

U.S. Drought Monitor · map date Sep 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Llano County, TX

Daily level summary

  • Sep 10, 2026

    824.82 ft

    +0.01 ft

  • Sep 9, 2026

    824.81 ft

    0 ft

  • Sep 8, 2026

    824.81 ft

    -0.01 ft

  • Sep 7, 2026

    824.82 ft

    +0.02 ft

  • Sep 6, 2026

    824.8 ft

    0 ft

  • Sep 5, 2026

    824.8 ft

    +0.03 ft

  • Sep 4, 2026

    824.77 ft

    +0.01 ft

Common questions about Lake LBJ’s water level

  • The current water level at Lake LBJ is 824.79 ft (updated 56 minutes ago). You can track the Lake LBJ lake level on the interactive chart and daily history above.

  • Full pool for Lake LBJ is 825 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 LBJ lake level is rising — rising about 0.06 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake LBJ is currently 0.21 ft below full pool.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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