Overview
Guizhou wastewater treatment plant serves 330,000 people in Xixiu District, Anshun, Guizhou, China. It operates under China's national wastewater discharge standards.
The Guizhou wastewater treatment plant is located in Xixiu District, Anshun City, Guizhou Province, China. It serves a population of approximately 330,000, classifying it as a large-scale municipal facility within the region. The plant is situated inland, away from coastal areas, and its operations are integral to managing urban wastewater in this part of southwestern China. As a large agglomeration serving over 300,000 people, the plant is expected to meet China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which mandates secondary treatment with nutrient removal for facilities of this scale. The regulatory framework ensures that treated effluent meets stringent limits for biochemical oxygen demand, chemical oxygen demand, suspended solids, nitrogen, and phosphorus before discharge. The treated wastewater is discharged into local water bodies that eventually flow into the Yangtze River basin, which is ecologically significant for its biodiversity and as a water source for millions. The plant plays a crucial role in protecting downstream aquatic ecosystems and preventing eutrophication in rivers and lakes within the region.
Environmental context
The plant discharges into local waterways that are part of the Yangtze River basin, one of China's most important river systems. The downstream environment includes ecologically sensitive areas that support diverse aquatic life and provide water for agriculture and human consumption. Effective treatment is essential to prevent nutrient pollution and maintain water quality in this densely populated and economically vital region.
Frequently asked questions
The plant is located in Xixiu District, Anshun City, Guizhou Province, China, at approximately 26.253°N, 105.952°E.
The plant serves a population of 330,000, making it a large-scale municipal facility.
The treated effluent is discharged into local water bodies that are part of the Yangtze River basin, eventually flowing into the Yangtze River.
The plant must comply with China's national standard GB 18918-2002, which requires secondary treatment with nutrient removal for large agglomerations.
For a plant of this scale, China's regulations mandate secondary biological treatment with nitrogen and phosphorus removal to protect water quality.
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