Lake Bonham, TX

Lake Bonham is at 77.3% of conservation capacity as of 2026-10-13, which we classify as below full. That is 2.52 ft below full pool of 565.00 ft. Over the past 30 days the level has fallen 0.41 ft.

The most recent reading at Lake Bonham is 562.48 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 Bonham in our records is 571.00 ft on 2018-09-23. The lowest is 560.33 ft on 2011-11-20. Our record covers about 27 years of readings.

Compared with every October in our records, the current level is higher than 32% of them, which we classify as 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.

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 Bonham has fallen 0.41 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.

Lake Bonham is -0.12 ft compared with this date last year (562.48 ft today). The full-history chart above covers 27 years, with a record high of 571.00 ft and a record low of 560.33 ft.