RedactedNarrative: Operator (9-year old) was operating the PWC with her father.  They were traveling at a high rate of speed when Occupant fell off.  Operator continued on the PWC and ran into a dock and ski lift.  Operator sustained deep lacerations to her right leg and was taken to the hospital for treatment. Unable to determine whether or not the lanyard was being worn and if so, by whom. Alcohol is also believed to be a contributing factor, but the officer was unable to conduct FST's due to the fact he responded well after the fact.