Ross Barnett Reservoir Water Level
Mississippi · updated daily from the U.S. Geological Survey
297.54 ft
Ross Barnett Reservoir is above average for this time of year and steady (+0.09 ft in the last 7 days).
Change since yesterday: +0.01 ft
Reading as of 2026-08-14 · higher than 74% of August readings on record
Where Ross Barnett Reservoir sits historically
Today's level compared with every reading in our 5.0-year record for this lake.
Since yesterday
+0.01 ft
7-day change
+0.09 ft
30-day change
-0.07 ft
1-year change
+0.04 ft
Last 30 days
Last 12 months
Full history (5.0 years)
Ross Barnett Reservoir records and averages
| Current level | 297.54 ft |
|---|---|
| Record high | 298.55 ft (2022-08-28) |
| Record low | 295.97 ft (2022-02-23) |
| Average of all readings | 297.1 ft |
| Data span | 5.0 years (1,793 readings) |
Frequently asked questions
Is Ross Barnett Reservoir full right now?
As of 2026-08-14, Ross Barnett Reservoir sits at 297.54 ft, which is above average for this time of year.Over the past 30 days the level has fallen 0.07 ft.
What is the water level at Ross Barnett Reservoir today?
The most recent reading is 297.54 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Ross Barnett Reservoir has ever been?
The highest level in our records is 298.55 ft on 2022-08-28. The lowest is 295.97 ft on 2022-02-23. Our record covers about 5.0 years of readings.
Is Ross Barnett Reservoir low for this time of year?
Compared with every August in our records, the current level is higher than 74% of them — above 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.
Why is Ross Barnett Reservoir changing right now?
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 0.07 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Ross Barnett Reservoir changed over the past year?
The level is +0.04 ft compared with this date last year (297.54 ft today). The full-history chart above covers 5.0 years, with a record high of 298.55 ft and a record low of 295.97 ft.
Nearby lakes in Mississippi
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Mississippi lake levels.