Ray Roberts Lake Water Level
Texas · updated daily from the Texas Water Development Board
97.5% full
Ray Roberts Lake is near full at 631.80 ft and falling (-0.24 ft in the last 7 days).
0.70 ft below full pool of 632.50 ft · change since yesterday -0.01 ft
Reading as of 2026-08-15 · higher than 56% of August readings on record
Where Ray Roberts Lake sits historically
Today's level compared with every reading in our 38.6-year record for this lake.
Since yesterday
-0.01 ft
7-day change
-0.24 ft
30-day change
-0.88 ft
1-year change
-0.12 ft
Full pool
632.5 ft
Last 30 days
Last 12 months
Full history (38.6 years)
Ray Roberts Lake records and averages
| Current level | 631.80 ft |
|---|---|
| Percent full | 97.5% |
| Storage | 768,795 acre-feet |
| Record high | 644.47 ft (1990-05-04) |
| Record low | 590.86 ft (1988-01-21) |
| Average of all readings | 629.87 ft |
| Data span | 38.6 years (13,929 readings) |
Frequently asked questions
Is Ray Roberts Lake full right now?
Ray Roberts Lake is at 97.5% of conservation capacity as of 2026-08-15, which we classify as near full.Over the past 30 days the level has fallen 0.88 ft.
What is the water level at Ray Roberts Lake today?
The most recent reading is 631.80 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 Ray Roberts Lake has ever been?
The highest level in our records is 644.47 ft on 1990-05-04. The lowest is 590.86 ft on 1988-01-21. Our record covers about 38.6 years of readings.
Is Ray Roberts Lake low for this time of year?
Compared with every August in our records, the current level is higher than 56% 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 Ray Roberts 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. Ray Roberts Lake has fallen 0.88 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Ray Roberts Lake changed over the past year?
The level is -0.12 ft compared with this date last year (631.80 ft today). The full-history chart above covers 38.6 years, with a record high of 644.47 ft and a record low of 590.86 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.