Lake St. Clair lake and shoreline

Lake St. Clair Water Level

Michigan

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Share Lake St. Clair's current conditions.

Lake St. Clair

Lake St. Clair is currently at a water-surface elevation of 578.1 feet.

578.07 ft · Updated 4 hours ago · U.S. Geological Survey (USGS)

Current level

578.07ft

−2.63 ft vs full pool

Status unavailable

Vs full pool

Since last reading

Down 0.24 ft

Previous readingOct 4578.55 ft

7-day change

Down 0.05 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 0.42 ft

31 daily readings in the last 30 days

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Water Level History

Current
578.07 ft
24h
-0.24 ft
7d
-0.05 ft
30d
-0.42 ft

Elevation (ft) IGLD85 · MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Lake St. Clair is currently 578.07 ft, 2.63 ft below its full pool. The lake has fallen 0.05 ft over the past 7 days and 0.42 ft over the past 30 days.

Lake St. Clair Level Details

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

Conditions & Reference

Level status

2.63 ft below full pool

Current level
578.07 ft
Full pool
580.7 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
IGLD85
Elevation reference
MSL
Source
U.S. Geological Survey (USGS)

Reference levels

  • Full pool580.7 ft

Watershed drought

Abnormally Dry

38.7% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Wayne County, MI

Abnormally Dry

Abnormally Dry. The surrounding county is abnormally dry, which is not official drought.. Trend: Stable compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

Yes

38.7% of the watershed is currently classified as official drought (D1+).

U.S. Drought Monitor · map date Sep 29, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Wayne County, MI

Daily level summary

DateLevelChange
Oct 5, 2026578.31-0.24
Oct 4, 2026578.55+0.31
Oct 3, 2026578.24-0.27
Oct 2, 2026578.51+0.01
Oct 1, 2026578.5+0.29
Sep 30, 2026578.21-0.03
Sep 29, 2026578.24-0.12

Common questions about Lake St. Clair’s water level

  • The current water level at Lake St. Clair is 578.07 ft (updated 4 hours ago). You can track the Lake St. Clair lake level on the interactive chart and daily history above.

  • Full pool for Lake St. Clair is 580.7 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 St. Clair lake level is falling — falling about 0.05 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake St. Clair is currently 2.63 ft below full pool.

Lake level glossary

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

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