１河道占地管理概况天津市行洪河道形成历史漫长而复杂，因此河道管理范围和保护范围曾有过数次变动。新中国成立初期，天津市隶属于河北省时，河北省曾制定过“里七外八”的规定，即以迎水坡堤脚向河道内七丈、背水坡堤脚向外八丈，在此范围内的土地属于水利部门管理，并为国 1 Channel Management Overview The long history and complexity of the Hongxing River in Tianjin has resulted in several changes in the scope and scope of protection. In the early days of the founding of new China, Tianjin belonged to Hebei Province. Hebei Province stipulated that “seven out and eight outside eight” rules should be adopted, that is, The land within the water department management, and for the country