Lake Sweetwater, TX

Lake Sweetwater is at 16.4% of conservation capacity as of 2026-10-13, which we classify as very low. That is 26.18 ft below full pool of 2116.50 ft. Over the past 30 days the level has fallen 0.57 ft.

The most recent reading at Lake Sweetwater is 2090.32 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 Sweetwater in our records is 2116.97 ft on 2019-05-08. The lowest is 2077.89 ft on 2007-08-01. Our record covers about 27 years of readings.

Compared with every October in our records, the current level is higher than 22% of them, which we classify as very low. 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 Sweetwater has fallen 0.57 ft over the past 30 days. For the operational reason on any given week, check the Texas Water Development Board directly.

Lake Sweetwater is -5.59 ft compared with this date last year (2090.32 ft today). The full-history chart above covers 27 years, with a record high of 2116.97 ft and a record low of 2077.89 ft.