Lake levels › Illinois

Carlyle Lake water level today

At full pool

444.74ft

feet above sea level ·

vs full pool−0.3 ft
vs normal for Oct 9−0.0 ft
24 hours−0.02 ft
7 days−0.1 ft
30 days−0.3 ft

Is Carlyle Lake low right now?

Carlyle Lake was at 444.74 ft on October 9, 2026, 0.26 ft below its full pool of 445.0 ft. That is right at the typical level for October 9, within the normal range. Over the past week the lake has been steady.

Last 12 monthsDaily level Normal range (10–90% of past years)Full pool
442446450453457NovDecJanFebMarAprMayJunJulAugSepOct Full pool 445.0

Carlyle Lake on Oct 9 in past years

2025443.2+1.5
2024444.4+0.4
2023444.8−0.0
2022444.6+0.1
2021444.3+0.5
2020444.9−0.1

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Changevs full pool
Oct 9444.74−0.02−0.3
Oct 8444.76+0.01−0.2
Oct 7444.75−0.03−0.3
Oct 6444.78−0.03−0.2
Oct 5444.81−0.02−0.2
Oct 4444.83−0.01−0.2
Oct 3444.84−0.02−0.2
Oct 2444.86+0.04−0.1
Oct 1444.82−0.03−0.2
Sep 30444.85−0.04−0.1
Sep 29444.89−0.02−0.1
Sep 28444.91−0.01−0.1
Sep 27444.92−0.02−0.1
Sep 26444.94−0.02−0.1

Daily means of the operator's readings (midnight to midnight, local time).

About Carlyle Lake

Full pool
445.0 ft (Seasonal Rule Curve)
10-year range
442.6 ft (March 25, 2024) to 458.7 ft (January 4, 2016)
Operated by
U.S. Army Corps of Engineers
Data
U.S. Army Corps of Engineers — MVS district, Carlyle Lk-Kaskaskia
Datum
NAVD88

Lakes near Carlyle Lake

Questions

Is Carlyle Lake low right now?

Carlyle Lake was at 444.74 ft on October 9, 2026, 0.26 ft below its full pool of 445.0 ft. That is right at the typical level for October 9, within the normal range. Over the past week the lake has been steady.

What is full pool for Carlyle Lake?

Full pool (Seasonal Rule Curve) is 445.0 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.

How often is the Carlyle Lake level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Army Corps of Engineers (MVS district, Carlyle Lk-Kaskaskia). Readings are provisional and can be revised.