RedactedNarrative: On 9/15/19 at 1348 hours, I, Cpl. responded to Union Hospital in Elkton Maryland for report of an injured female from a boat fire.  Once at the hospital, I met up with victim, Victim, who had 2nd degree burns to her lower left leg and foot.  Victim was brought to the hospital by family member, who was also on the boat with her. 
       Victim stated that she was on her boat, 19 Four Winns bowrider.  Kids were all sitting in the bow.  Operator was operating (right front), and Victim was is the left front passenger seat. Victim stated that Operator had fueled the boat up at a gas station while they were trailering it to Rogues Harbor, Elk Neck State Park, on the Elk river.  They launched the boat around 1330 hours, and were just slowly moving away from the dock when all of the sudden they heard a large boom.  Victim said she was seated in the left passenger seat with her feet on the floor when she heard the large boom.  She said she instantly felt a burning sensation on her left foot and lower leg.  She saw that her skin was blistered so she got up and put her leg into the river to cool it off.  Operator shut the boat off instantly and checked on everyone.  He flagged another boater down who towed the back to the dock.  They were only 100 yards from boat ramp when the explosion happen.  There was no sign of fire after the explosion.  Victim stated phone service was bad so she had subject take her to the hospital.  Operator trailered the boat and took it home.
       Operator stated that he turned the blower on before he started the boat and thought everything was ok.   He stated that they just got the boat earlier in the summer and have had a lot of mechanical work done to it.
       Victim was released from Union Hospital later the same day.  Union advised her to see John Hopkins Burn Center, and she went the next day. 
       I inspected the 19' Four Winns.  There was a strong odor of gasoline present.  All required safety gear was present.  Carrying Capacity was 8 person or 1160 lbs, and with the six small kids on board, they were under that weight limit.  Upon inspecting the bilge area, there was a lot of fuel present, showing that their might be a possible fuel leak.  The hatch to the bilge area, which was in the center of the floor between the operator and left passenger seat where Victim was seated, had burn marks in the carpet, showing where the fire came up from.
       Operator stated that he was going to drop the boat off to a boat mechanic this weekend.  He will get me an estimate of damage once he hears back from the mechanic.  All events occurred in Cecil County Maryland.