Lavon Lake lake and shoreline

Lavon Lake Water Level

Officially Lavon Lake (East Fork Trinity River)

Texas

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Lavon Lake is currently 3.5 feet below full pool, with a water-surface elevation of 488.5 feet.

488.54 ft · Updated 11 hours ago · Texas Water Development Board

Current level

488.54ft

−3.46 ft vs full pool

Low

Vs full pool

Since last reading

Down 0.03 ft

Previous readingSep 9488.57 ft

7-day change

Down 0.36 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 1.84 ft

31 daily readings in the last 30 days

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Water Level History

Elevation (ft) NGVD29 · MSL

489 ft490 ft492 ftFULL POOL 492.00 ftAug 12Sep 11

Level status

3.46 ft below full pool

Current level
488.54 ft
Full pool
492 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
Texas Water Development Board

Reference levels

  • Full pool492 ft
  • Flood stage504 ft

Watershed drought

Severe Drought

100% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Worsening

Watershed drought conditions

Collin County, TX

Severe Drought

Severe Drought. Severe drought conditions are present.. Trend: Worsening compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Worsening

Compared with last week

Official drought

Yes

100% of the watershed is currently classified as official drought (D1+).

Expected impacts

  • Lower stream inflows
  • Lake levels may decline faster
  • Vegetation is becoming drier
  • Minor increase in wildfire risk

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

Daily level summary

  • Sep 10, 2026

    488.54 ft

    -0.03 ft

  • Sep 9, 2026

    488.57 ft

    -0.07 ft

  • Sep 8, 2026

    488.64 ft

    -0.07 ft

  • Sep 7, 2026

    488.71 ft

    -0.05 ft

  • Sep 6, 2026

    488.76 ft

    -0.04 ft

  • Sep 5, 2026

    488.8 ft

    -0.05 ft

  • Sep 4, 2026

    488.85 ft

    -0.05 ft

Common questions about Lavon Lake’s water level

  • The current water level at Lavon Lake is 488.54 ft (updated 11 hours ago). You can track the Lavon Lake lake level on the interactive chart and daily history above.

  • Full pool for Lavon Lake is 492 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Lavon Lake lake level is falling — falling about 0.36 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lavon Lake is currently 3.46 ft below full pool.

Lake level glossary

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

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