Home › South Carolina Lake Levels › Clarks Hill (Thurmond) Lake
Clarks Hill (Thurmond) Lake Water Level Today
South Carolina (also Georgia) · Operated by the U.S. Army Corps of Engineers · readings published by the U.S. Geological Survey (USGS)
Water level today · September 28, 2026, 3:45 PM EDT
Normal for the date
−4.7 ft from the typical level for this date
320.57 ft above sea level
- vs full pool
- −9.4 ft
- Past 7 days
- −0.4 ft
- vs 1 year ago
- −6.2 ft
.jpg){kind=link}
What do these numbers mean?
- Water level
- The height of the lake surface in feet above sea level, as measured by the official gauge.
- Full pool
- The level the lake is normally kept at when it is full (top of conservation pool, summer). Above it, the lake is storing flood water.
- Normal for the date
- The typical (median) level on this calendar date across 2006-2025. The normal range is where the lake stood in 8 of 10 years.
- Operating zone / guide
- The seasonal levels the operator aims for. Many reservoirs are lowered on purpose in fall and winter to make room for spring rain.
Clarks Hill (Thurmond) Lake water level chart (last 2 years)
How full is Clarks Hill (Thurmond) Lake right now?
Clarks Hill (Thurmond) Lake is 9.4 ft below full pool (330.0 ft).
Over the past 7 days the level fell 0.37 ft; over 30 days it fell 1.5 ft.
One year ago the lake stood at 326.8 ft, so it is −6.2 ft compared with the same day last year.
Is Clarks Hill (Thurmond) Lake above or below normal?
For September 28, the normal level is about 325.3 ft (the normal range is 317.6 ft to 329.2 ft). Today's level is −4.7 ft compared with normal, within the normal range.
“Normal” here means the median level recorded on this calendar date across 2006-2025. Many reservoirs are drawn down on purpose in fall and winter, so a level below full pool can still be completely normal for the season.
Clarks Hill (Thurmond) Lake target level for this time of year
The operator's target level (top of conservation pool) for this date is 330.0 ft. The lake is −9.4 ft from that target.
Recent history
| Highest daily level (last 2 years) | 331.78 ft | May 16, 2025 |
| Lowest daily level (last 2 years) | 320.57 ft | September 28, 2026 |
| Same day last year | 326.82 ft | −6.2 ft vs today |
| Full pool | 330.00 ft | top of conservation pool, summer |
Frequently asked questions
- What is the water level of Clarks Hill (Thurmond) Lake today?
- The latest reading is 320.57 ft above sea level, reported by the U.S. Geological Survey (USGS) on September 28, 2026 at 3:45 PM EDT.
- Is Clarks Hill (Thurmond) Lake full?
- No. Clarks Hill (Thurmond) Lake is 9.4 ft below its full pool of 330.0 ft.
- What is a normal water level for Clarks Hill (Thurmond) Lake at this time of year?
- Based on daily readings from 2006-2025, the typical (median) level for this date is 325.3 ft, and 8 out of 10 years fall between 317.6 ft and 329.2 ft.
- What is the full pool elevation of Clarks Hill (Thurmond) Lake?
- Full pool for Clarks Hill (Thurmond) Lake is 330.0 ft (top of conservation pool, summer), according to the U.S. Army Corps of Engineers.
- What were the highest and lowest levels in the last two years?
- The highest daily level in the last two years was 331.8 ft on May 16, 2025; the lowest was 320.6 ft on September 28, 2026.
Where this data comes from
The water level is published by the U.S. Geological Survey (USGS) (station 02193900) and refreshed on this page every day. Full pool comes from U.S. Army Corps of Engineers; the normal range is calculated from official daily readings for 2006-2025. Recent readings are provisional and may be revised. See data sources & methodology.