Clarks Hill lake and shoreline

Clarks Hill Water Level

Officially J. Strom Thurmond Lake

GeorgiaSouth Carolina

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Lake Clarks Hill

Clarks Hill is currently 9.1 feet below full pool, with a water-surface elevation of 320.9 feet.

320.87 ft · Updated 14 hours ago · NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Current level

320.87ft

−9.13 ft vs full pool

Low

Vs full pool

Since last reading

Down 0.13 ft

Previous readingSep 23321 ft

7-day change

Up 0.09 ft

7-day trend: Rising

8 daily readings in the last 7 days

30-day change

Down 1.18 ft

30 daily readings in the last 30 days

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Water Level History

Current
320.87 ft
24h
-0.13 ft
7d
+0.09 ft
30d
-1.18 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Clarks Hill is currently 320.87 ft, 9.13 ft below its full pool. The lake has risen 0.09 ft over the past 7 days and fallen 1.18 ft over the past 30 days.

Clarks Hill Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

9.13 ft below full pool

Current level
320.87 ft
Full pool
330 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
NOAA / NWS

Reference levels

  • Full pool330 ft
  • Flood stage335 ft

Watershed drought

Moderate Drought

98.6% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Lincoln County, GA

Moderate Drought

Moderate Drought. Moderate drought is affecting the watershed.. Trend: Stable compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

Yes

98.6% of the watershed is currently classified as official drought (D1+).

Expected impacts

  • Stream inflows may run below normal
  • Lake levels can decline faster between rain events
  • Vegetation stress may increase over time

U.S. Drought Monitor · map date Sep 22, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Lincoln County, GA

Daily level summary

DateLevelChange
Sep 24, 2026320.87-0.13
Sep 23, 2026321+0.06
Sep 22, 2026320.94+0.1
Sep 21, 2026320.84+0.04
Sep 20, 2026320.8+0.03
Sep 19, 2026320.77+0.03
Sep 18, 2026320.74-0.04

Common questions about Clarks Hill’s water level

  • The current water level at Clarks Hill is 320.87 ft (updated 14 hours ago). You can track the Clarks Hill lake level on the interactive chart and daily history above.

  • Full pool for Clarks Hill is 330 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Clarks Hill lake level is rising — rising about 0.09 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Clarks Hill is currently 9.13 ft below full pool.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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