Nei Mongol Wastewater Treatment Plant, Yuquan District, Hohhot | Inner Mongolia

The Nei Mongol wastewater treatment plant is located in Yuquan District, Hohhot, within the Inner Mongolia Autonomous Region of China. It serves a population of approximately 175,000 people, classifying it as a medium-to-large agglomeration under Chinese wastewater management standards. The facility is situated in the Xiaoheihe area, a suburban district of Hohhot. As a plant of this scale, it is expected to meet China's national discharge standards, which are governed by the Environmental Protection Law and the Water Pollution Prevention and Control Law. For agglomerations serving over 100,000 people, secondary treatment with nutrient removal is typically required, especially in environmentally sensitive areas. The plant likely employs conventional activated sludge or similar biological treatment processes to comply with these regulations. The treated effluent is discharged into local rivers that flow into the Yellow River basin, a major water system in northern China. The plant plays a crucial role in protecting downstream water quality and supporting the ecological health of the region, which includes agricultural and urban areas. Its operation helps reduce pollution loads to the Yellow River and its tributaries.

The plant discharges into the Xiaoheihe River, a tributary of the Yellow River system. The Yellow River is a vital water source for northern China, supporting agriculture, industry, and domestic use. Downstream ecosystems include wetlands and riverine habitats that are important for migratory birds and aquatic biodiversity. The plant's treatment performance directly affects water quality in this ecologically sensitive basin.