RedactedNarrative: Operator struck a re can off Yacht Club.  The collision caused his passenger to fall overboard.  Operator and passenger were slurring words and appeared to be heavily under the influence of alcohol.  The vessel was littered with beer cans.  Both refused medical treatment.  Heavy damage to vessel.  Harbor master charged operator with negligent operation, failing to keep a proper lookout and not having any working or valid night distress signaling device on board.