Police say he was upset because a woman he met there didn't like him.
James Trelford is charged with felony disorderly conduct. Investigators say he called in the threat Saturday saying he planted bombs at the Vernon Hills Summer Celebration in Century Park.
Police say they traced the call, found Trelford and arrested him. He allegedly told police there were no explosives, but that he made the call because a woman he met there did not share his affection.