RedactedNarrative: The operator of a 36' vessel was traveling approximately 18-20 mph while towing two people on a tube. The operator maneuvered the vessel in a circle and the tube with the two people hit the vessel's wake and the tubers were ejected.  
  
  The injured tuber was lifted onto the swim platform of the vessel. She had complained about a back injury. A mayday call was made and first responders arrived and transported the victim to shore where she was taken by ambulance to the emergency room. One injured. The tubers were wearing pfds at the time of the incident.