Martin Lake Water Level
Texas · updated daily from the Texas Water Development Board
88.4% full
Martin Lake is below full at 304.17 ft and falling (-0.28 ft in the last 7 days).
1.83 ft below full pool of 306.00 ft · change since yesterday -0.03 ft
Reading as of 2026-08-15 · higher than 45% of August readings on record
Where Martin Lake sits historically
Today's level compared with every reading in our 30.9-year record for this lake.
Since yesterday
-0.03 ft
7-day change
-0.28 ft
30-day change
-1.16 ft
1-year change
-1.20 ft
Full pool
306.0 ft
Last 30 days
Last 12 months
Full history (30.9 years)
Martin Lake records and averages
| Current level | 304.17 ft |
|---|---|
| Percent full | 88.4% |
| Storage | 66,965 acre-feet |
| Record high | 307.92 ft (2016-04-30) |
| Record low | 294.97 ft (2011-10-20) |
| Average of all readings | 304.02 ft |
| Data span | 30.9 years (11,208 readings) |
Frequently asked questions
Is Martin Lake full right now?
Martin Lake is at 88.4% of conservation capacity as of 2026-08-15, which we classify as below full.Over the past 30 days the level has fallen 1.16 ft.
What is the water level at Martin Lake today?
The most recent reading is 304.17 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 Martin Lake has ever been?
The highest level in our records is 307.92 ft on 2016-04-30. The lowest is 294.97 ft on 2011-10-20. Our record covers about 30.9 years of readings.
Is Martin Lake low for this time of year?
Compared with every August in our records, the current level is higher than 45% 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 Martin 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. Martin Lake has fallen 1.16 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.
How much has Martin Lake changed over the past year?
The level is -1.20 ft compared with this date last year (304.17 ft today). The full-history chart above covers 30.9 years, with a record high of 307.92 ft and a record low of 294.97 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.