West Yorkshire Police has confirmed that a 33-year-old woman was pulled from the canal near Viaduct Road, Armley, yesterday morning just before 12.40am.
The woman was taken to hospital by the emergency services with non-lifethreatening injuries as a precaution.
West Yorkshire Fire and Rescue Service was called to the scene by the police to rescue the woman, who was found semi-submerged on top of an old sunken barge.
A cordon remained in place yesterday as officers sought to determine how the woman ended up in the water and whether any further action was needed.
A spokesman for West Yorkshire Police said: “A scene is in place while officers establish the circumstances surrounding the incident.”