River Rescue, EMS, and Police responded to the 300 block of Station Square Drive for a reported body floating in the water around 10:40 a.m.
A 9-1-1 caller directed first responders to the location of the deceased victim.
The victim was extricated from the river, and taken by River Rescue.
The Allegheny County Medical Examiner will determine the cause of death.
The investigation is ongoing.