Hydrological institutions in the province are divided according to administrative divisions, and vertical management in the province is implemented. It has jurisdiction over Yongzhou, Hengyang, Xiangtan, Changsha, Shaoyang, Yiyang, Xiangxi, Huaihua, Changde, Zhuzhou, Zhangjiajie, Chenzhou, Loudi, Yueyang and other cities 14 Hydrological and Water Resources Survey Bureau, provincial hydrological instrument and equipment testing center and 123 hydrological station. The provincial bureau consists of office, chief engineer's office, hydrology department, hydrology monitoring department, water resources department (Hunan Water Environment Monitoring Center), comprehensive business department, planning and finance department, personnel and education department and other functional departments, as well as party committees, discipline inspection and supervision offices, retirees' work offices and logistics centers. With the approval of the provincial organization establishment committee, there are altogether 1 130 hydrological institutions in the province. Among them, provincial bureau personnel 108, instrument inspection center personnel 4 1 person, and hydrological basic investigators 983. Over the years, the hydrological department of the whole province has collected valuable hydrological data for national economic construction such as flood control and flood fighting, construction and management of water conservancy and hydropower projects, water resources management, urban construction, transportation and energy, land and resources, and undertaken a large number of hydrological and water resources investigations, which provided important scientific decision-making basis for leaders at all levels and achieved remarkable economic and social benefits.