RedactedNarrative: Vessel 1 Operator was towing Skier person behind the boat, waterskiing going westbound along the north side of Silver Lake when the Skier fell.  Operator reduced his speed after Occupants advised that the Skier had fallen off her skis and turned around to pick her up.  While approaching the downed skier, the Operator observed the Skier was laying on her back and a look of pain on her face.  After learning that the Skier’s chest hurt and she was having trouble breathing due to the pain, Operator pulled the Skier onto the boat and brought her to shore to be treated be emergency medical staff.  The Skier was treated on scene and transported to the hospital on suspicion of rib(s) injury.