Overview
The Guizhou wastewater treatment plant serves Liupanshui City in Guizhou Province, China, with a population equivalent of 120,000. It operates under China's national wastewater discharge standards.
The Guizhou wastewater treatment plant is located in Liupanshui City, Guizhou Province, China, serving a population of approximately 120,000. The plant is situated in the Liuzhi Special District, a region characterized by mountainous terrain and a subtropical monsoon climate. As a municipal facility, it plays a key role in managing wastewater from urban and peri-urban areas. The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). For a facility serving 120,000 people, secondary treatment with nutrient removal is typically required to meet Class 1A or 1B standards, depending on the receiving water's sensitivity. Its population served places it in the medium-to-large agglomeration category. The treated effluent is discharged into local water bodies that eventually flow into the Yangtze River basin via the Wujiang River system. This region is ecologically important for biodiversity and water supply, and the plant's operations help protect downstream aquatic habitats and reduce pollution loads to the Yangtze River.
Environmental context
The plant discharges into tributaries of the Wujiang River, which flows into the Yangtze River, one of China's most significant water systems. The downstream environment supports diverse aquatic life and provides water for agriculture and industry. The region's karst topography makes groundwater particularly vulnerable to contamination, emphasizing the need for effective wastewater treatment to protect both surface and groundwater quality.
Frequently asked questions
The plant is located in Liuzhi Special District, Liupanshui City, Guizhou Province, China, near the intersection of Naping Road and Wanjiapingzhai.
The plant serves approximately 120,000 people, making it a medium-to-large agglomeration under Chinese wastewater classification.
Treated effluent is discharged into local tributaries of the Wujiang River, which eventually flows into the Yangtze River.
The plant operates under China's national standard GB 18918-2002, which sets discharge limits for pollutants. For a plant of this scale, secondary treatment with nutrient removal is typically required to meet Class 1A or 1B standards.
In China, plants serving over 100,000 people are generally required to achieve at least secondary treatment with nutrient removal, often targeting Class 1A standards for discharge into sensitive water bodies.
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