A 15-year-old girl who left her home in Lodi on Wednesday is still missing, authorities said Saturday. Iris Nielda Rivera was last seen around 2:39 p.m. on Wednesday, wearing a gray hoodie, gray sweatpants and white sneakers, police said. A possible destination is Hackensack, where her new boyfriend lives, according to police. His exact address is unknown, authorities said. “We are investigating this case and there are no updates as of yet,” said Sgt. Dominic Miller, public information officer for the Lodi Police Department. Anyone with information about Rivera is asked to call the Lodi Police…