SACRAMENTO, Calif. — A Union Pacific train carrying 118 tons of coal derailed Sunday due to a track defect and dumped its contents into and around Plumas County’s Feather River, according to railroad officials and the California Department of Fish and Wildlife. Fifteen rail cars chugging west on tracks parallel to the Middle Fork Feather River in Blairsden derailed, spilling the fuel into the river. At least 14 rail cars tipped over or sustained damage, Fish and Wildlife officials said. At least one rail car fell into the water. “Several cars lost the total payload and some cars partially rele…