Waldemar Camacho, 36, of 319 Clay St., Apt. 3, Watertown, was charged by city police Friday night at his residence with first-degree harassment.
Police said threatened to harm Chelsey M. Clark, 320 Clay St., Apt. B. They also said he repeatedly kicked a door and tried to pull it open.
He was held at the Metro-Jefferson Public Safety Building on $250 police bail pending arraignment.