At around 3:30 pm Monday, East Contra Costa Fire and the Contra Costa County Sheriffs Office responded to a report of a jet ski accident along Soundmound Blvd. along Sand Mound Slough in the City of Oakley.
It was reported that a jet skier sustained a head injury after making contact with a boat and possibly a barge. A medical helicopter was requested.
By 3:36 pm, Engine 53 and Battalion 5 arrived on scene and began coordinating a helicopter landing zone for the female patient.
According to preliminary information, the 22 year-old female was found unconsciousness on the shoreline and was in an out of consciousness with first responders on scene.
Check back for updates.