RedactedNarrative: Operator1 was pulling two tubers just north of the Dam at Mill Creek.  Operator2 was operating his pontoon boat alongside and around the towing boat to create a wake for the tubers.  Operator2 got too close to the boat and the tube collided with the pontoon of his boat.  One of the tubers, was transported to Union Hospital where he was treated and released with fractured ribs.