Great Falls Lake lake and shoreline

Great Falls Lake Water Level

South Carolina

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Great Falls Lake

Great Falls Lake is currently 4.6 feet below full pool, with a water-surface elevation of 96.4 feet.

96.41 ft · Updated 3 hours ago · NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Current level

96.41ft

−4.59 ft vs full pool

Low

Vs full pool

Since last reading

Up 0.06 ft

Previous readingOct 496.92 ft

7-day change

Down 0.14 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Up 0.54 ft

31 daily readings in the last 30 days

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Water Level History

Current
96.41 ft
24h
+0.06 ft
7d
-0.14 ft
30d
+0.54 ft

Elevation (ft) Duke full-pond gauge (100.0 = full pond) · Duke full-pond gauge (100.0 = full pond)

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Great Falls Lake is currently 96.41 ft, 4.59 ft below its full pool. The lake has fallen 0.14 ft over the past 7 days and risen 0.54 ft over the past 30 days.

Great Falls Lake Level Details

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

Conditions & Reference

Level status

4.59 ft below full pool

Current level
96.41 ft
Full pool
101 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Duke full-pond gauge (100.0 = full pond)
Elevation reference
Duke full-pond gauge (100.0 = full pond)
Source
NOAA / NWS

Reference levels

  • Full pool101 ft

Watershed drought

Moderate Drought

76.7% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Chester County, SC

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

76.7% 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 29, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Chester County, SC

Daily level summary

DateLevelChange
Oct 5, 202696.98+0.06
Oct 4, 202696.92+0.06
Oct 3, 202696.86-0.05
Oct 2, 202696.91+0.19
Oct 1, 202696.72-1.36
Sep 30, 202698.08+0.19
Sep 29, 202697.89+0.77

Common questions about Great Falls Lake’s water level

  • The current water level at Great Falls Lake is 96.41 ft (updated 3 hours ago). You can track the Great Falls Lake lake level on the interactive chart and daily history above.

  • Full pool for Great Falls Lake is 101 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Great Falls Lake lake level is falling — falling about 0.14 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Great Falls Lake is currently 4.59 ft below full pool.

Lake level glossary

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

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