321.20 ft USACE project datum (ft msl)
level 8.8 ft below full pool — on the low side for late September
Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 02193900) and updates live when you load this page.
Is Clarks Hill Lake full?
Not quite — 8.8 ft below full pool as of September 24, 2026
How full is Clarks Hill Lake? Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.
Clarks Hill Lake through the year
The band is the lake's own normal: where the level has run on each calendar day, 2005–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.
This year vs the years that matter
This year's trace against last year and the driest and wettest years on record — the drought-context question every lake regular asks.
- 2026 (this year)
- 2025 (last year)
- 2020 (wettest on record)
- 2008 (driest on record)
Clarks Hill Lake water temperature
87° as of August 25, 2026
Read from the USGS gauge out in the lake near Plum Branch. It is the same gauge that reads the level on this page, out on the South Carolina shore rather than below the dam, and it reads near the surface — its own year runs from the low fifties in February to the high eighties in July. One sensor is one spot on the lake. A shallow cove on a still afternoon runs warmer than this, and the water a few feet down runs colder.
Water temperature is not water safety. A warm surface says nothing about what is under it — colder water a few feet down, currents near the dam or the spillway, or a bacteria advisory — so check with the lake office before you get in.
Full pool, datum, and the gauge
"Full pool" here means the conservation pool — the level the lake is designed to hold for water supply and recreation, not the flood-control space above it. The full explainer covers flood pool and dead pool too.
| Full pool | 330.00 ft USACE project datum (ft msl) · per USACE Savannah District full-pool reference |
|---|---|
| Gauge | USGS gauge 02193900 · U.S. Geological Survey National Water Information System |
| Datum | USACE project datum (ft msl) — CWMS Top of Conservation seasonal 326-330 ft; 330 is summer full pool. GA side searches Clarks Hill; SC side searches Lake (Strom) Thurmond. |
| Last verified | August 15, 2026 |
LakeDates reports lake level, not ramp status. Whether a given ramp or marina is usable at this level varies ramp by ramp — call the marina before you tow.
Quick answers
What is the lake level for Clarks Hill Lake today?
Clarks Hill Lake is at 321.20 ft (USACE project datum (ft msl)) as of September 24, 2026 — 8.8 ft below full pool — on the low side for late September.
Is Clarks Hill Lake full?
Not quite — at 321.20 ft on September 24, 2026, Clarks Hill Lake is 8.8 ft below its full pool of 330.00 ft (USACE project datum (ft msl)).
How full is Clarks Hill Lake?
Not as a percentage: no storage figure comes through with this gauge reading, and a share of capacity worked out from the elevation alone would be a guess — how much water a reservoir holds at a given level is a curve only the operator's own capacity table knows. Feet from full pool is what the operator publishes, and it is the figure above.
What is full pool for Clarks Hill Lake?
Full pool (the conservation pool) for Clarks Hill Lake is 330.00 ft USACE project datum (ft msl), per USACE Savannah District full-pool reference. Levels above it use flood storage; levels below it are drawdown.
What is the water temperature at Clarks Hill Lake?
Clarks Hill Lake was 87° on August 25, 2026. Read from the USGS gauge out in the lake near Plum Branch. It is the same gauge that reads the level on this page, out on the South Carolina shore rather than below the dam, and it reads near the surface — its own year runs from the low fifties in February to the high eighties in July. One sensor is one spot on the lake. A shallow cove on a still afternoon runs warmer than this, and the water a few feet down runs colder.