RedactedNarrative: Injured was the passenger of a boat that was drifting on the Colorado River, south of the Topock Gorge.  As she was inside of the vessel, she turned / stepped wrong and caused injury to her hip.  She advised that it felt like it popped out of place.  The watercraft was underway at the time of the incident, but was drifting and was not under power.  Injured was transported to the hospital for her injuries