RedactedNarrative: Operator/victim of vessel #1 was sitting on her PWC when she started it up and it stalled.  She attempted to start it again and when she pushed on the gas and the engine exploded and blew her off the vessel.  She woke up under the water but was able to make it to shore.  She was taken by EMS to McLaren Oakland Hospital for treatment of minor injuries.  Victim was wearing a life jacket.  No other injuries were reported.