RedactedNarrative: Operator and passenger took vessel #1 on Alum Creek Reservoir in the swim area.  They paddled the vessel east approximately 118 yards from the shore past the furthest buoy.  After approximately five to ten minutes after leaving shore, both operator and occupant fell off the vessel into the water.  The vessel moved away from them.  the operator was not a swimmer.  the occupant attempted to help the operator but became tired and swam back to shore.  the operator drowned and was recovered approximately 2 hours and 21 minutes later.