Lake Nasworthy Water Level
Texas · updated daily from the Texas Water Development Board
85.1% full
Lake Nasworthy is below full at 1871.69 ft and steady (-0.05 ft in the last 7 days).
1.02 ft below full pool of 1872.71 ft · change since yesterday +0.00 ft
Reading as of 2026-08-15 · higher than 90% of August readings on record
Where Lake Nasworthy sits historically
Today's level compared with every reading in our 29.9-year record for this lake.
Since yesterday
+0.00 ft
7-day change
-0.05 ft
30-day change
-0.04 ft
1-year change
-0.01 ft
Full pool
1872.7 ft
Last 30 days
Last 12 months
Full history (29.9 years)
Lake Nasworthy records and averages
| Current level | 1871.69 ft |
|---|---|
| Percent full | 85.1% |
| Storage | 8,676 acre-feet |
| Record high | 1872.52 ft (2024-11-09) |
| Record low | 1867.73 ft (2014-05-06) |
| Average of all readings | 1871.14 ft |
| Data span | 29.9 years (10,742 readings) |
Frequently asked questions
Is Lake Nasworthy full right now?
Lake Nasworthy is at 85.1% of conservation capacity as of 2026-08-15, which we classify as below full.Over the past 30 days the level has fallen 0.04 ft.
What is the water level at Lake Nasworthy today?
The most recent reading is 1871.69 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 Lake Nasworthy has ever been?
The highest level in our records is 1872.52 ft on 2024-11-09. The lowest is 1867.73 ft on 2014-05-06. Our record covers about 29.9 years of readings.
Is Lake Nasworthy low for this time of year?
Compared with every August in our records, the current level is higher than 90% 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 Lake Nasworthy changing 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. Lake Nasworthy has fallen 0.04 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Lake Nasworthy changed over the past year?
The level is -0.01 ft compared with this date last year (1871.69 ft today). The full-history chart above covers 29.9 years, with a record high of 1872.52 ft and a record low of 1867.73 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.