Iron Mine Tailings Dam – Qian'an, Hebei

The Xixiakou tailings dam, located in Malanzhuang Town, Qian'an, Tangshan, Hebei, is a valley-type Grade III tailings facility with a dam length of 300 m and a dam height of 61 m. The system comprises six components: reservoir sensors and data, acquisition units, central signal reception and processing units, the computer room and management system, fiber-optic and wireless-bridge signal transmission, and the enterprise dispatching and command center. It supports open data interfaces and remote access via dedicated or public networks for government supervision and expert review.