Lake Thurmond (Clarks Hill) Water Level Today
South Carolina · near Augusta, GA · Below full pool
- Elevation
- 320.86 ft
- From full pool
- −6.04 ft
- Percent of pool
- 59.5%
- 24-hour change
- +0.01 ft
- 7-day change
- −0.12 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Lake Thurmond (Clarks Hill)
Lake Thurmond (Clarks Hill) is 6.04 ft below full pool, at 320.86 ft, up 0.01 ft in the last 24 hours. That puts the lake at 59.5 percent of its conservation pool. The top of the flood pool is 14.1 ft higher, at 335.00 ft.
Over the last 7 days the level fell 0.12 ft, and over 30 days it fell 1.69 ft. In the 400 days of readings on this page the high was 330.56 ft on Aug 18, 2025 and the low was 320.92 ft on Sep 19, 2026, a range of 9.64 ft.
The reading is the U.S. Army Corps of Engineers gauge at THURMOND DAM, near Augusta, GA, taken Sep 21, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Lake Thurmond (Clarks Hill) pool elevations
| Current elevation | 320.86 ft |
|---|---|
| Full pool (top of conservation) | 326.90 ft |
| Top of flood pool | 335.00 ft |
| Bottom of conservation pool | 312.00 ft |
| Top of dam | 351.00 ft |
| Inflow | -25,000 cfs |
| Outflow | 0 cfs |
| 30-day change | −1.69 ft |
| 1-year high | 330.56 ft (Aug 18, 2025) |
| 1-year low | 320.92 ft (Sep 19, 2026) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, SAS district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
Lake Thurmond (Clarks Hill) level questions
What is the water level of Lake Thurmond (Clarks Hill) today?
Lake Thurmond (Clarks Hill) is at 320.86 ft as of Sep 21, 2026, −6.04 ft relative to full pool (326.90 ft). The 24-hour change is +0.01 ft.
What is full pool at Lake Thurmond (Clarks Hill)?
Full pool, the top of the conservation pool, is 326.90 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 335.00 ft. The bottom of the conservation pool is 312.00 ft.
Is Lake Thurmond (Clarks Hill) rising or falling?
Over the last 24 hours the level is +0.01 ft; over 7 days it fell 0.12 ft, and over 30 days it fell 1.69 ft.
Where does this Lake Thurmond (Clarks Hill) level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for THURMOND DAM. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.