operator stated she was operating a 21 foot deck boat on lake gaston heading north near six pound creek.  Operator was pulling a tube with a male and female passenger.  Operator stated she was operating the boat at approximately 10 mph when the tube hit a wake, throwing the passengers off causing the male subject's knee to hit the female subject's lower back.  The female subject was then taken to americamps boat ramp, where she was then taken to the hospital.  At the hospital, she was treated for three broken process transverses in lumbar.  Pfds were worn and alcohol and drugs were not a factor.
WARRENTON