Overview
Qinghai wastewater treatment plant serves 630,000 people in Chengxi District, Xining, Qinghai Province, China. It discharges treated water into the Huangshui River, a tributary of the Yellow River.
The Qinghai wastewater treatment plant is located in Chengxi District, Xining, the capital of Qinghai Province in western China. It serves a population of approximately 630,000, making it a large-scale municipal facility for the region. The plant is situated along Xiushui Road in the Xinghai Road subdistrict, within the Huangshui River watershed. As a major urban treatment facility in China, the plant operates under the national discharge standards set by the Ministry of Ecology and Environment. For a plant serving over 600,000 people, advanced treatment processes such as biological nutrient removal are typically required to meet Class 1A or 1B effluent standards under the Chinese Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). The plant plays a critical role in protecting the local water environment. The treated effluent is discharged into the Huangshui River, which flows eastward through Qinghai and Gansu provinces before joining the Yellow River. The Yellow River is a vital water source for northern China, and the plant's operations help reduce nutrient and pollutant loads, supporting aquatic life and downstream water quality in this ecologically sensitive region.
Environmental context
The plant discharges into the Huangshui River, a tributary of the upper Yellow River basin. The Yellow River is a major water source for agriculture and urban use in northern China, and its upper reaches support diverse aquatic ecosystems, including endemic fish species. The plant's nutrient removal is critical to prevent eutrophication in downstream reservoirs and to maintain the ecological health of the river corridor.
Frequently asked questions
The plant is located in Chengxi District, Xining, Qinghai Province, China, along Xiushui Road in the Xinghai Road subdistrict.
The plant serves approximately 630,000 people, making it a large municipal facility for the Xining urban area.
The plant discharges treated effluent into the Huangshui River, a tributary of the Yellow River.
The plant operates under China's national discharge standards (GB 18918-2002), which require advanced treatment for large agglomerations to meet Class 1A or 1B effluent limits.
The plant protects the Huangshui River and downstream Yellow River from pollution, supporting aquatic ecosystems and water quality for millions of people in northern China.
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