RedactedNarrative: Operator stated that the boat was drifting in Duck Lake.  Occupants of the boat were swimming around the boat.  Wind started to blow the boat towards a water trampoline anchored in the lake.  Operator yelled for swimmers to get into the boat, as he was going to have to start the motor to move the boat away from the water trampoline.  
  
  The Operator thought that all swimmers were on board, when he started the motor and engaged the motor into reverse.  Injured person had climbed up on a water tube that hanging on the back of the boat.  As the boat began to back up, the Injured person’s legs were still in the water.  Injured person’s left leg swung down, when the top of his foot was struck by the propeller.  Operator took the injured party to the nearest dock, where EMS was called.  Injured person taken to the Eagle River Memorial Hospital, where he obtained medical treatment for the laceration to the top of his foot.  Injured was taken to a different hospital for immediate surgery to repair four tendons and one nerve.