What is the current water level of Carlyle Lake Tw?

As of Jul 5, 2026, 10:30 PM (UTC+00:00), the pool elevation was 412.06 ft (datum NAVD88). See the trend chart above for the recent direction.

Is Carlyle Lake Tw full right now?

Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.

Where does this data come from?

From USACE MVS/Carlyle Lk TW-Kaskaskia, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.

Is this safe to use for boating or navigation?

No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

Carlyle Lake Tw water level — Illinois

Illinois · USACE · reading Jul 5, 2026, 10:30 PM (UTC+00:00)

Carlyle Lake Tw in Illinois was last measured at 412.06 ft (datum NAVD88), as of Jul 5, 2026, 10:30 PM (UTC+00:00) (USACE CWMS Data). Over its recent trend window the level has been falling (−0.5 ft). Figures are provisional readings for reference — not for navigation or safety decisions.

Current reading Carlyle Lake Tw · Illinois

Pool elevation: 412.06 ft
% of conservation pool full: Not reported
Storage: Not reported
Recent trend: ↓Falling

Recent trend

The last ~5 days of readings at this station, downsampled for display.

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Important — not for navigation or safety decisions

Water levels here are provisional readings for general reference only. Conditions vary and readings can be revised. Always confirm current conditions with the managing agency before making navigation, boating, or dam-safety decisions.

Source: USACE MVS/Carlyle Lk TW-Kaskaskia, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). Official page for this lake →

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Carlyle Lake Tw, with current level and distance.
Lake	State	Level	Distance
Carlyle Pool	IL	447.90 ft	0 km
Posey	IL	413.36 ft	9 km
Breese	IL	415.62 ft	12 km
Hoffman	IL	423.03 ft	14 km
New Minden	IL	419.58 ft	20 km
Pierron	IL	443.80 ft	22 km

Frequently asked questions

What is the current water level of Carlyle Lake Tw?: As of Jul 5, 2026, 10:30 PM (UTC+00:00), the pool elevation was 412.06 ft (datum NAVD88). See the trend chart above for the recent direction.
Is Carlyle Lake Tw full right now?: Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?: From USACE MVS/Carlyle Lk TW-Kaskaskia, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.
Is this safe to use for boating or navigation?: No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

More in Illinois

See every lake tracked in Illinois, or read the methodology behind these figures.