Illinois Lake Water Levels
3 lakes & reservoirs · 2 river systems
We track 3 Illinois lakes and reservoirs, operated by U.S. Army Corps of Engineers. Each level below is that lake's most recent official gauge reading, with the date it was taken — open any lake for its full-pool comparison, 12-month history chart and record high and low.
Of the 3 Illinois lakes with a current reading, 2 are within a foot of full pool. The furthest down right now is Rend Lake, 1.88 ft under its 405 ft full pool.
| Lake | Level | Vs full pool | Full pool | Reading |
|---|---|---|---|---|
| Carlyle Lake | 444.52 ft | −0.48 ft | 445 ft | Oct 31, 2026 |
| Rend Lake | 403.12 ft | −1.88 ft | 405 ft | Oct 31, 2026 |
| Lake Shelbyville | 599.02 ft | −0.68 ft | 599.7 ft | Oct 31, 2026 |
Readings are the latest values published by each lake's managing agency and are provisional, subject to revision. Open a lake page for its live gauge.
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