内蒙古自治区的水文事业是伴随着新中国的成立而开创的，内蒙古蓬勃发展的50年，也是自治区水文事业发展完善的50年。虽然，内蒙古水文事业也和北国边陲的水利、科技事业一样，源远流长，早在光绪25年（1899年），就有海拉尔、扎兰屯雨量站观测记载雨量；1933年就有黄河干流包 Hydrological undertakings in Inner Mongolia Autonomous Region were initiated with the founding of New China. Inner Mongolia has thrived for 50 years and is also a well-developed hydrographic undertaking for 50 years in the autonomous region. Although hydrological undertakings in Inner Mongolia also have a long history as the water conservancy and science and technology undertakings in the northern border areas, as early as the Guangxu 25 years (1899), rainfall was recorded in the Hailar and Zalantun Rainfall Observatories. In 1933 there was a Yellow River mainstream package