Thurmond Lake Water Level
South Carolina · updated daily from the U.S. Geological Survey
323.19 ft
Thurmond Lake is low for this time of year and steady (-0.10 ft in the last 7 days).
Change since yesterday: +0.08 ft
Reading as of 2026-08-14 · higher than 12% of August readings on record
Where Thurmond Lake sits historically
Today's level compared with every reading in our 20.9-year record for this lake.
Since yesterday
+0.08 ft
7-day change
-0.10 ft
30-day change
-0.81 ft
1-year change
-7.39 ft
Last 30 days
Last 12 months
Full history (20.9 years)
Thurmond Lake records and averages
| Current level | 323.19 ft |
|---|---|
| Record high | 335.97 ft (2016-01-01) |
| Record low | 313.54 ft (2008-11-10) |
| Average of all readings | 326.04 ft |
| Data span | 20.9 years (7,207 readings) |
Frequently asked questions
Is Thurmond Lake full right now?
As of 2026-08-14, Thurmond Lake sits at 323.19 ft, which is low for this time of year.Over the past 30 days the level has fallen 0.81 ft.
What is the water level at Thurmond Lake today?
The most recent reading is 323.19 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 Thurmond Lake has ever been?
The highest level in our records is 335.97 ft on 2016-01-01. The lowest is 313.54 ft on 2008-11-10. Our record covers about 20.9 years of readings.
Is Thurmond Lake low for this time of year?
Compared with every August in our records, the current level is higher than 12% of them — low 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 Thurmond Lake 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. Thurmond Lake has fallen 0.81 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Thurmond Lake changed over the past year?
The level is -7.39 ft compared with this date last year (323.19 ft today). The full-history chart above covers 20.9 years, with a record high of 335.97 ft and a record low of 313.54 ft.
Nearby lakes in South Carolina
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All South Carolina lake levels.