South Holston Lake lake and shoreline

South Holston Lake Water Level

TennesseeVirginia

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South Holston Lake

South Holston Lake is currently 9.0 feet below full pool, with a water-surface elevation of 1720.0 feet.

1720.05 ft · Updated 5 hours ago · Tennessee Valley Authority (TVA) — Lake Levels & Generation Data

Current level

1,720.05ft

−8.95 ft vs full pool

Low

Vs full pool

Since last reading

Up 0.06 ft

Previous readingSep 231,719.99 ft

7-day change

Down 0.85 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 6.22 ft

31 daily readings in the last 30 days

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Water Level History

Current
1720.05 ft
24h
+0.06 ft
7d
-0.85 ft
30d
-6.22 ft

Elevation (ft) MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

South Holston Lake is currently 1720.05 ft, 8.95 ft below its full pool. The lake has fallen 0.85 ft over the past 7 days and 6.22 ft over the past 30 days.

South Holston Lake Level Details

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

Conditions & Reference

Level status

8.95 ft below full pool

Current level
1,720.05 ft
Full pool
1,729 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Not available
Elevation reference
MSL
Source
Tennessee Valley Authority (TVA) — Lake Levels & Generation Data

Reference levels

  • Full pool1,729 ft

Watershed drought

Abnormally Dry

Abnormally dry (D0), not official drought.

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Sullivan County, TN

Abnormally Dry

Abnormally Dry. The surrounding county is abnormally dry, which is not official drought.. Trend: Stable compared with last week. Official drought no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

No

Current conditions are classified as Abnormally Dry (D0), which is not considered official drought.

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

Daily level summary

DateLevelChange
Sep 24, 20261,720.05+0.06
Sep 23, 20261,719.99-0.18
Sep 22, 20261,720.17-0.16
Sep 21, 20261,720.33-0.13
Sep 20, 20261,720.46-0.14
Sep 19, 20261,720.6-0.13
Sep 18, 20261,720.73-0.17

Common questions about South Holston Lake’s water level

  • The current water level at South Holston Lake is 1,720.05 ft (updated 5 hours ago). You can track the South Holston Lake lake level on the interactive chart and daily history above.

  • Full pool for South Holston Lake is 1,729 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the South Holston Lake lake level is falling — falling about 0.85 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, South Holston Lake is currently 8.95 ft below full pool.

Lake level glossary

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

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