Carlyle Lake lake and shoreline

Carlyle Lake Water Level

Illinois

Make Home Lake
Favorite

Share current lake level

Share Carlyle Lake's current conditions.

Carlyle Lake

Carlyle Lake is currently 36.8 feet below full pool, with a water-surface elevation of 408.2 feet.

408.24 ft · Updated 1 hour ago · USACE MVS District

Current level

408.24ft

−36.76 ft vs full pool

Low

Vs full pool

Since last reading

No meaningful change

Previous readingOct 24408.26 ft

7-day change

Down 0.05 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 0.25 ft

26 daily readings in the last 30 days

Share feedback or correction

Keep up with Carlyle Lake

Follow for weather alerts and lake notices

Save Carlyle Lake and get weather alerts and lake notices, plus water levels, weather, fishing conditions, and events on your dashboard. Water-level change notifications are not included.

  • Lake Alerts

    Weather alerts and lake notices for this lake.

  • Fishing Outlook

    See fishing conditions and the best days ahead.

  • Dock Talk

    Ask questions and hear from people around the lake.

Follow Carlyle Lake — Free
  • No credit card
  • Personalized to Carlyle Lake
  • Weather alerts and lake notices

Water Level History

Current
408.24 ft
24h
0.00 ft
7d
-0.05 ft
30d
-0.25 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

Water Temperature

Loading the latest reading…

View Water Temperature

Follow for weather alerts and lake notices

Get weather alerts and lake notices for Carlyle Lake. Water-level change notifications are not included.

Follow Carlyle Lake — Free

Lake Level Context

Level remains below the full pool

Carlyle Lake is currently 408.24 ft, 36.76 ft below its full pool. The lake has fallen 0.05 ft over the past 7 days and 0.25 ft over the past 30 days.

Carlyle Lake Level Details

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

Conditions & Reference

Level status

36.76 ft below full pool

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

Reference levels

  • Full pool445 ft
  • Flood stage463 ft

Surrounding county drought

Abnormally Dry

45.9% of surrounding county in official drought (D1–D4).

Severity

NoneExtreme
Trend
Improving

Surrounding county drought

Clinton County, IL

Abnormally Dry

Abnormally Dry. The largest share of Clinton County, IL is Abnormally Dry (D0). 45.9% of the county is still in Moderate Drought or worse (D1–D4), which the U.S. Drought Monitor treats as official drought. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Improving compared with last week. Official drought (D1–D4) yes

Severity

NoneExtreme

Weekly trend

Improving

Compared with last week

Official drought (D1–D4)

Yes

45.9% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Abnormally Dry.

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 Clinton County, IL

Daily level summary

DateLevelChange
Oct 25, 2026408.260
Oct 24, 2026408.26-0.01
Oct 23, 2026408.27-0.04
Oct 22, 2026408.31-0.01
Oct 21, 2026408.320
Oct 20, 2026408.32+0.01
Oct 19, 2026408.310

Common questions about Carlyle Lake’s water level

  • The current water level at Carlyle Lake is 408.24 ft (updated 1 hour ago). You can track the Carlyle Lake lake level on the interactive chart and daily history above.

  • Full pool for Carlyle Lake is 445 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Carlyle Lake 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, Carlyle Lake is currently 36.76 ft below full pool.

Lake level glossary

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

Privacy preferences

Ads and analytics are not optional. You can still choose optional functional cookies. Essential cookies stay on so the site works.

  • Essential

    Required for sign-in, security, and core site features. These cannot be turned off because the service would not work without them.

  • Functional & preferences

    Remembers optional choices such as display preferences beyond what essential cookies require. Most preference storage today is essential for signed-in features.