RedactedNarrative: AT 1341 ON JUNE 9, 2022, OFFICER RECEIVED A CALL FROM STATE RADIO STATING A JET SKI WAS ON FIRE AT LAKE MANAWA AT THE NORTH BOAT RAMP.  UPON ARRIVAL, COUNCIL BLUFFS FIRE AND RESCUE HAD JUST FINISHED PUTTING OUT THE FIRE OF THE JET SKI WHICH WAS FLOATING ABOUT 60 YARDS FROM SHORE.  OPERATOR STATED THAT HE GOT ON THE JET SKI TO START IT WHILE IT WAS ON THE TRAILER AND WHEN HE PUSHED THE START BUTTON, AN EXPLOSION FROM UNDER THE SEAT BLEW HIM AND THE SEAT INTO THE WATER.  HE THEN SWAM OVER TO THE JET SKI AND NOTICED IT WAS ON FIRE NEAR THE REAR.  HE PULLED THE FIRE EXTINGUISHER OUT BUT IT BROKE WHEN HE PULLED ON THE TAB.  HE THEN PUSHED THE JET SKI OFF THE TRAILER INTO THE WATER AND CALLED 911.  THE JET SKI WAS A TOTAL LOSS.  OPERATOR WAS WEARING A LIFEJACKET AND NO ALCOHOL WAS DETECTED.  IT IS ALSO BLEIVED TO HAVE BEEN A GAS LEAK WHICH CAUSED THE EXPLOSION.