Police said they were called to the scene in the 3300-block of West Redfield Drive at about 9:40 a.m. There, they found a body in the water. Police described it as a 30-year-old man who was unresponsive.
Chicago Police Marine Unit divers retrieved the body and he was pronounced dead at the scene.
No further details have been released. The person has not been identified.
A death investigation by Area One detectives in ongoing, CPD said.