The San Diego fire department's history asserts that the Bill Kettner was the first gasoline-powered fireboat in the world.[1] Her pumps could project 6000 gallons per minute. She served from 1919 to 1961.
^ abc"Department History". San Diego Fire-Rescue Department. Retrieved 2015-06-28. In 1919, the San Diego Fire Department christened the first gasoline powered fire boat in the world. The boat, the "Bill Kettner" was built from the keel up at the San Diego Fire Department shop, by firefighters.