On Water Officials of Han Dynasty

The central and local governments of the Western and Eastern Han Dynasties both have water agencies.Water officials of the Han Dynasty can be divided into four categories: officials of the central government,officials of the prefectures,officials of the counties and accredited officials.The status of water officials of the Han Dynasty tends to rise gradually.The setting up and evolution of the Han Dynasty Water Officials can provide references for us,such as the setting up of national or regional water officials,the requisition system of large-scale water projects and the open national recruitment system of water officials.