Lake Marble Falls, TX

Lake Marble Falls is at 99.0% of conservation capacity as of 2026-10-13, which we classify as near full. That is 0.13 ft below full pool of 737.00 ft. Over the past 30 days the level has risen 0.34 ft.

The most recent reading at Lake Marble Falls is 736.87 ft (2026-10-13), sourced from the Texas Water Development Board. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Lake Marble Falls 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 years of readings.

Compared with every October in our records, the current level is higher than 68% of them, which we classify as 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.

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 0.34 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.

Lake Marble Falls is +0.37 ft compared with this date last year (736.87 ft today). The full-history chart above covers 60 years, with a record high of 820.98 ft and a record low of 601.16 ft.