Halbert Lake Water Level
Texas · updated daily from the Texas Water Development Board
78.3% full
Halbert Lake is below full at 365.62 ft and falling (-0.17 ft in the last 7 days).
2.38 ft below full pool of 368.00 ft · change since yesterday -0.02 ft
Reading as of 2026-08-15 · higher than 51% of August readings on record
Where Halbert Lake sits historically
Today's level compared with every reading in our 27.3-year record for this lake.
Since yesterday
-0.02 ft
7-day change
-0.17 ft
30-day change
-0.59 ft
1-year change
-1.00 ft
Full pool
368.0 ft
Last 30 days
Last 12 months
Full history (27.3 years)
Halbert Lake records and averages
| Current level | 365.62 ft |
|---|---|
| Percent full | 78.3% |
| Storage | 4,723 acre-feet |
| Record high | 370.69 ft (2015-10-24) |
| Record low | 357.76 ft (2006-10-31) |
| Average of all readings | 365.4 ft |
| Data span | 27.3 years (8,805 readings) |
Frequently asked questions
Is Halbert Lake full right now?
Halbert Lake is at 78.3% of conservation capacity as of 2026-08-15, which we classify as below full.Over the past 30 days the level has fallen 0.59 ft.
What is the water level at Halbert Lake today?
The most recent reading is 365.62 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 Halbert Lake has ever been?
The highest level in our records is 370.69 ft on 2015-10-24. The lowest is 357.76 ft on 2006-10-31. Our record covers about 27.3 years of readings.
Is Halbert Lake low for this time of year?
Compared with every August in our records, the current level is higher than 51% of them — below 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 Halbert 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. Halbert Lake has fallen 0.59 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Halbert Lake changed over the past year?
The level is -1.00 ft compared with this date last year (365.62 ft today). The full-history chart above covers 27.3 years, with a record high of 370.69 ft and a record low of 357.76 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.