Lavon Lake Water Level
Texas · updated daily from the Texas Water Development Board
90.8% full
Lavon Lake is near full at 490.14 ft and falling (-0.49 ft in the last 7 days).
1.86 ft below full pool of 492.00 ft · change since yesterday -0.05 ft
Reading as of 2026-08-15 · higher than 60% of August readings on record
Where Lavon Lake sits historically
Today's level compared with every reading in our 37.9-year record for this lake.
Since yesterday
-0.05 ft
7-day change
-0.49 ft
30-day change
-1.96 ft
1-year change
-0.48 ft
Full pool
492.0 ft
Last 30 days
Last 12 months
Full history (37.9 years)
Lavon Lake records and averages
| Current level | 490.14 ft |
|---|---|
| Percent full | 90.8% |
| Storage | 374,900 acre-feet |
| Record high | 504.57 ft (1990-05-04) |
| Record low | 474.87 ft (2006-11-05) |
| Average of all readings | 489.65 ft |
| Data span | 37.9 years (13,536 readings) |
Frequently asked questions
Is Lavon Lake full right now?
Lavon Lake is at 90.8% of conservation capacity as of 2026-08-15, which we classify as near full.Over the past 30 days the level has fallen 1.96 ft.
What is the water level at Lavon Lake today?
The most recent reading is 490.14 ft (2026-08-15), sourced from the Texas Water Development Board. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Lavon Lake has ever been?
The highest level in our records is 504.57 ft on 1990-05-04. The lowest is 474.87 ft on 2006-11-05. Our record covers about 37.9 years of readings.
Is Lavon Lake low for this time of year?
Compared with every August in our records, the current level is higher than 60% of them — near full. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Lavon Lake low right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Lavon Lake has fallen 1.96 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Lavon Lake changed over the past year?
The level is -0.48 ft compared with this date last year (490.14 ft today). The full-history chart above covers 37.9 years, with a record high of 504.57 ft and a record low of 474.87 ft.
Nearby lakes in Texas
Source: the Texas Water Development Board. Readings are provisional and subject to revision by the publishing agency. All Texas lake levels.