Carlyle Lake Increasing Downstream Releases

U.S. Army Corps of Engineers
Published March 22, 2021

CARLYLE LAKE - As of 1:00 p.m. on Monday, 22 March 2021, the pool elevation at Carlyle Lake was 448.17 feet, referenced to the National Geodetic Vertical Datum (NGVD). The current release rate is approximately 5,700 cubic feet per second (cfs). The inflow for Sunday, 21 March 2021 was approximately 15,330 day second feet (dsf). With current precipitation on the ground, Carlyle Lake is forecasted to crest at 449.00 feet NGVD on Wednesday, 24 March 2021. Releases will be increased to 10,000 cfs by Friday, 26 March 2021.

The Corps of Engineers continues to work closely with their partners, the Carlyle Lake Association, Mid-Kaskaskia River Association and the Okaw River Basin Coalition to monitor the situation. For more information, contact the Carlyle Lake Project Office at (618) 594-2484 or email at

Darren Murphy
Kim Hammel

Release no. 21-024