海河、滦河、徒骇马颊河及滨海小河等水系统称海河流域。该流域跨8个省、市、自治区,包括北京、天津两大城市和18个中等城市,总面积31.79万平方公里,人口1.2亿,耕地1.66亿亩,流域内煤、石油等矿藏丰富,工农业基础较好,特别是京、津、唐地区是技术、人才密集区,战略位置十分重要。 Haihe River, Luan River, apprentice Majiahe and Binhai Creek water system, said the Haihe River Basin. The basin covers 8 provinces, municipalities and autonomous regions including Beijing and Tianjin and 18 medium-sized cities with a total area of ​​317,900 square kilometers and a population of 120 million and arable land of 166 million mu. There are abundant mineral resources such as coal and petroleum in the basin The agricultural foundation is good, especially in the areas of Beijing, Tianjin and Tang where technology and talent are concentrated. The strategic position is very important.