Lake Shelbyville lake and shoreline

Lake Shelbyville Water Level

Illinois

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Lake Shelbyville

Lake Shelbyville is currently 0.6 feet below full pool, with a water-surface elevation of 599.4 feet.

599.39 ft · Updated 17 hours ago · USACE MVS District

Current level

599.39ft

−0.61 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.02 ft

Previous readingOct 24599.42 ft

7-day change

Down 0.11 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 0.51 ft

26 daily readings in the last 30 days

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Water Level History

Current
599.39 ft
24h
-0.02 ft
7d
-0.11 ft
30d
-0.51 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

Water Temperature

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Lake Level Context

Level remains below the full pool

Lake Shelbyville is currently 599.39 ft, 0.61 ft below its full pool. The lake has fallen 0.11 ft over the past 7 days and 0.51 ft over the past 30 days.

Lake Shelbyville Level Details

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

Conditions & Reference

Level status

0.61 ft below full pool

Current level
599.39 ft
Full pool
600 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
USACE MVS District

Reference levels

  • Full pool600 ft
  • Flood stage627 ft

Surrounding county drought

Moderate Drought

76.1% of surrounding county in official drought (D1–D4).

Severity

NoneExtreme
Trend
Worsening

Surrounding county drought

Shelby County, IL

Moderate Drought

Moderate Drought. The largest share of Shelby County, IL is in Moderate Drought (D1), an official USDM drought category. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Worsening compared with last week. Official drought (D1–D4) yes

Severity

NoneExtreme

Weekly trend

Worsening

Compared with last week

Official drought (D1–D4)

Yes

76.1% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Moderate Drought.

Typical county impacts (USDM guidance)

  • Streamflows in the surrounding county may run below normal
  • Soils and vegetation can dry between rain events
  • Water managers may begin to watch supply more closely

U.S. Drought Monitor · map date Oct 20, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Shelby County, IL

Daily level summary

DateLevelChange
Oct 25, 2026599.4-0.02
Oct 24, 2026599.42-0.01
Oct 23, 2026599.43-0.01
Oct 22, 2026599.44-0.02
Oct 21, 2026599.46-0.01
Oct 20, 2026599.47-0.02
Oct 19, 2026599.49-0.02

Common questions about Lake Shelbyville’s water level

  • The current water level at Lake Shelbyville is 599.39 ft (updated 17 hours ago). You can track the Lake Shelbyville lake level on the interactive chart and daily history above.

  • Full pool for Lake Shelbyville is 600 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 Shelbyville lake level is falling — falling about 0.11 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake Shelbyville is currently 0.61 ft below full pool.

Lake level glossary

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

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