Vessel 1 was pulling wake-boarder.  It had one operator, 4 passengers and one wake boarder.  Vessel 2 was stand up style PWC with one occupant (victim).  Vessel 2 was believed to have been stopped in the water in front of Vessel 1.  Vessel 1 was in open water when it stopped to allow wake boarder to begin being pulled by Vessel 1.  When Vessel 1 began moving forward it struck operator of Vessel 2.  Operator of Vessel 2 was pushed under the boat and was subsequently struck by the propeller of Vessel 1.  Vessel 1 had water bladder on board which was partially full causing the nose of the boat to lift high at take off.  Victim was pulled from the water by occupants of Vessel 1 and transported to shore.  Victim lost both his legs.
Balsam Lake