RedactedNarrative: On August 22, 2018, at approximately 5:30pm, I (Agent) was notified of a subject falling while exiting a vessel on Cane River in Natchitoches Parish.  At approximately 11:00am, vessel 1 approached a boat dock at Shell Beach public boat launch on Cane River where Victim attempted to exit the vessel.  Victim grabbed a piling with her left arm and began to step out of the vessel onto the dock.  The water in the river was approximately two feet low, which made the dock higher than usual.  The vessel drifted away from the dock as she tried to step off, which caused her to lose her footing.  Victim attempted to hold onto the piling with her left arm.  Victim slipped and fell into the water between the dock and the vessel and her inflatable PFD deployed.  Victim was assisted out of the water and was transported to Natchitoches Parish Hospital.  Victim was later transported to Rapides Regional Medical Center in Rapides Parish, where she was treated for multiple fractures and a dislocated shoulder.  The motor was in the off position and was not running during the time of incident.  PFD's were worn and the kill switch was still attached to the operator.  During the investigation, alcohol and drugs were not determined to be contributing factor to the incidents.