Overview
Gansu wastewater treatment plant serves Yuquan Town, Tianshui, Gansu, China, with a population of 300,000. It operates under China's national wastewater standards for large agglomerations.
The Gansu wastewater treatment plant is located in Yuquan Town, Qinzhou District, Tianshui City, Gansu Province, China. It serves a population of approximately 300,000, classifying it as a large-scale municipal facility under Chinese wastewater regulations. The plant is situated in the inland region of northwestern China, near the Wei River basin. As a large agglomeration serving over 150,000 people, the plant is expected to meet secondary treatment standards under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). This national standard sets effluent limits for biochemical oxygen demand, chemical oxygen demand, suspended solids, and nutrients. The plant's design and operation are subject to local environmental protection bureau oversight. The treated effluent is discharged into local waterways that ultimately drain into the Wei River, a major tributary of the Yellow River. The Yellow River basin supports extensive agricultural irrigation and provides drinking water for millions. Proper treatment at this plant helps protect downstream water quality and aquatic ecosystems in the Wei River and Yellow River systems.
Environmental context
The plant discharges into the Wei River basin, which flows eastward to join the Yellow River in Shaanxi Province. The Yellow River is the second-longest river in China and a critical water source for northern China. Downstream ecosystems include wetlands and agricultural areas that depend on adequate water quality. The plant's treatment performance directly affects nutrient and pollutant loads entering this major river system, influencing both ecological health and human water use.
Frequently asked questions
The plant is located in Yuquan Town, Qinzhou District, Tianshui City, Gansu Province, China, near the Wei River basin.
The plant serves approximately 300,000 people, making it a large municipal wastewater facility.
Treated effluent is discharged into local waterways that flow into the Wei River, a major tributary of the Yellow River.
The plant operates under China's GB 18918-2002 standard, which sets discharge limits for pollutants from municipal wastewater treatment plants.
For large agglomerations over 150,000 people, Chinese regulations typically require secondary treatment with nutrient removal to meet Class 1A or 1B standards under GB 18918-2002.
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