Lake Buchanan lake and shoreline

Lake Buchanan Water Level

Officially Lake Buchanan (Colorado River)

Texas

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Lake Buchanan

Lake Buchanan is currently 1.4 feet below full pool, with a water-surface elevation of 1018.6 feet.

1018.57 ft · Updated 1 hour ago · Lower Colorado River Authority

Current level

1,018.57ft

−1.43 ft vs full pool

Normal

Vs full pool

Since last reading

No meaningful change

Previous readingOct 41,018.58 ft

7-day change

Up 0.26 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Down 0.32 ft

31 daily readings in the last 30 days

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Water Level History

Current
1018.57 ft
24h
0.00 ft
7d
+0.26 ft
30d
-0.32 ft

Elevation (ft) MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Lake Buchanan is currently 1018.57 ft, 1.43 ft below its full pool. The lake has risen 0.26 ft over the past 7 days and fallen 0.32 ft over the past 30 days.

Lake Buchanan Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

1.43 ft below full pool

Current level
1,018.57 ft
Full pool
1,020 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 pool1,020 ft

Watershed drought

Abnormally Dry

28.9% 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

28.9% of the watershed is currently classified as official drought (D1+).

U.S. Drought Monitor · map date Sep 29, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Llano County, TX

Daily level summary

DateLevelChange
Oct 5, 20261,018.580
Oct 4, 20261,018.58+0.05
Oct 3, 20261,018.53+0.02
Oct 2, 20261,018.510
Oct 1, 20261,018.51+0.14
Sep 30, 20261,018.37+0.09
Sep 29, 20261,018.28-0.04

Common questions about Lake Buchanan’s water level

  • The current water level at Lake Buchanan is 1,018.57 ft (updated 1 hour ago). You can track the Lake Buchanan lake level on the interactive chart and daily history above.

  • Full pool for Lake Buchanan is 1,020 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 Buchanan lake level is rising — rising about 0.26 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake Buchanan is currently 1.43 ft below full pool.

Lake level glossary

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

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