Houston County Lake Water Level

Houston County Lake is at 97.7% of conservation capacity as of 2026-08-15, which we classify as near full.Over the past 30 days the level has fallen 0.34 ft.

The most recent reading is 259.69 ft (2026-08-15), sourced from the Texas Water Development Board. Readings on this page refresh automatically as the agency publishes new data.

The highest level in our records is 264.55 ft on 2001-06-09. The lowest is 255.8 ft on 2011-11-19. Our record covers about 27.3 years of readings.

Compared with every August in our records, the current level is higher than 53% 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.

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

The level is -0.32 ft compared with this date last year (259.69 ft today). The full-history chart above covers 27.3 years, with a record high of 264.55 ft and a record low of 255.8 ft.