Lake Marion lake and shoreline

Lake Marion Water Level

South Carolina

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Lake Marion

Lake Marion is currently 4.0 feet below full pool, with a water-surface elevation of 73.0 feet.

72.99 ft · Updated 5 hours ago · NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Current level

72.99ft

−4.01 ft vs full pool

Low

Vs full pool

Since last reading

Down 0.03 ft

Previous readingSep 2373.04 ft

7-day change

Down 0.25 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 1.02 ft

31 daily readings in the last 30 days

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Water Level History

Current
72.99 ft
24h
-0.03 ft
7d
-0.25 ft
30d
-1.02 ft

Elevation (ft) MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Lake Marion is currently 72.99 ft, 4.01 ft below its full pool. The lake has fallen 0.25 ft over the past 7 days and 1.02 ft over the past 30 days.

Lake Marion Level Details

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

Conditions & Reference

Level status

4.01 ft below full pool

Current level
72.99 ft
Full pool
77 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
NOAA / NWS

Reference levels

  • Full pool77 ft

Watershed drought

Severe Drought

100% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Worsening

Watershed drought conditions

Clarendon County, SC

Severe Drought

Severe Drought. Severe drought conditions are present.. Trend: Worsening compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Worsening

Compared with last week

Official drought

Yes

100% of the watershed is currently classified as official drought (D1+).

Expected impacts

  • Lower stream inflows
  • Lake levels may decline faster
  • Vegetation is becoming drier
  • Minor increase in wildfire risk

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

Daily level summary

DateLevelChange
Sep 24, 202673.01-0.03
Sep 23, 202673.04-0.07
Sep 22, 202673.110
Sep 21, 202673.11-0.03
Sep 20, 202673.14-0.05
Sep 19, 202673.19-0.01
Sep 18, 202673.2-0.06

Common questions about Lake Marion’s water level

  • The current water level at Lake Marion is 72.99 ft (updated 5 hours ago). You can track the Lake Marion lake level on the interactive chart and daily history above.

  • Full pool for Lake Marion is 77 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Lake Marion lake level is falling — falling about 0.25 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake Marion is currently 4.01 ft below full pool.

Lake level glossary

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

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