Ross Barnett Reservoir, MS

As of 2026-10-12, Ross Barnett Reservoir sits at 296.49 ft, which is below average for this time of year. Over the past 30 days the level has fallen 0.61 ft.

The most recent reading at Ross Barnett Reservoir is 296.49 ft (2026-10-12), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Ross Barnett Reservoir in our records is 298.55 ft on 2022-08-28. The lowest is 292.70 ft on 2000-11-06. Our record covers about 27 years of readings.

Compared with every October in our records, the current level is higher than 31% of them, which we classify as below average for this time of year. 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. Ross Barnett Reservoir has fallen 0.61 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

Ross Barnett Reservoir is -0.59 ft compared with this date last year (296.49 ft today). The full-history chart above covers 27 years, with a record high of 298.55 ft and a record low of 292.70 ft.