RedactedNarrative: VICTIM ADVISED THAT HE WAS OPERATING HIS JET SKI IN THE WEST RIVER/SOUTH CREEK AREA.  APPROXIMATELY 200 YARDS FROM HIS PIER HE TURNED THE SKI TOO SHARP AND WAS THROWN OFF.  IN THE PROCESS HIS LEFT KNEE COLLIDED WITH A GRAB HANDLE ON THE SEAT.  VICTIM STATED HE WAS THEN HELPED ASHORE TO HIS RESIDENCE BY FAMILY MEMBERS AND EMS WAS NOTIFIED.