Lake Marble Falls Water Level
Texas · updated daily from the Texas Water Development Board
95.3% full
Lake Marble Falls is near full at 736.41 ft and rising (+0.18 ft in the last 7 days).
0.59 ft below full pool of 737.00 ft · change since yesterday -0.02 ft
Reading as of 2026-08-15 · higher than 26% of August readings on record
Where Lake Marble Falls sits historically
Today's level compared with every reading in our 60.6-year record for this lake.
Since yesterday
-0.02 ft
7-day change
+0.18 ft
30-day change
+0.74 ft
1-year change
-0.02 ft
Full pool
737.0 ft
Last 30 days
Last 12 months
Full history (60.6 years)
Lake Marble Falls records and averages
| Current level | 736.41 ft |
|---|---|
| Percent full | 95.3% |
| Storage | 7,239 acre-feet |
| Record high | 820.98 ft (1995-10-16) |
| Record low | 601.16 ft (1999-04-30) |
| Average of all readings | 736.87 ft |
| Data span | 60.6 years (18,576 readings) |
Frequently asked questions
Is Lake Marble Falls full right now?
Lake Marble Falls is at 95.3% of conservation capacity as of 2026-08-15, which we classify as near full.Over the past 30 days the level has risen 0.74 ft.
What is the water level at Lake Marble Falls today?
The most recent reading is 736.41 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 Marble Falls has ever been?
The highest level in our records is 820.98 ft on 1995-10-16. The lowest is 601.16 ft on 1999-04-30. Our record covers about 60.6 years of readings.
Is Lake Marble Falls low for this time of year?
Compared with every August in our records, the current level is higher than 26% 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 Lake Marble Falls 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 Marble Falls has risen 0.74 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 Marble Falls changed over the past year?
The level is -0.02 ft compared with this date last year (736.41 ft today). The full-history chart above covers 60.6 years, with a record high of 820.98 ft and a record low of 601.16 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.