AUSTIN, Texas -- UPDATE: The man who died Tuesday at Quest ATX has been identified as 63-year-old Kim Benken, of St. Cloud, Florida. Benken's cause of death is still unknown, pending a toxicology report. However, officials said there is no indication of drowning.

ORIGINAL STORY: Authorities said a man is dead after a possible drowning at a water park in south Austin.

Austin Travis County EMS and STAR Flight responded to the incident Tuesday at Quest ATX Water Park.

The victim is a male in his 50s and first responders began CPR immediately upon arrival but later pronounced him dead on-scene.

Quest ATX is Austin’s first and only cable wakeboard park and is located in southeast Austin.