Overview
Chongqing wastewater treatment plant serves Dazu District, Chongqing, China, with a population equivalent of 150,000. It operates under China's national wastewater discharge standards.
The Chongqing wastewater treatment plant is located in Tangxiang Subdistrict, Dazu District, Chongqing, China, serving a population equivalent of 150,000. As a municipal facility in a rapidly urbanizing region, it plays a key role in managing domestic wastewater from this area of southwestern China. Under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), plants serving agglomerations of this scale are typically required to meet Class 1A or 1B standards, which include biological treatment and nutrient removal. The plant's treatment process and capacity are designed to comply with these national regulations, ensuring effluent quality protects receiving waters. The treated effluent is discharged into local water bodies that ultimately drain into the Yangtze River basin, a critical waterway for the region. The plant's operation helps reduce pollution loads to downstream ecosystems, supporting water quality in the Yangtze River and its tributaries.
Environmental context
The plant discharges into local streams that feed into the Yangtze River basin, one of China's most important freshwater systems. The downstream environment supports diverse aquatic life and provides water for agriculture, industry, and drinking water for millions. Effective treatment is essential to prevent eutrophication and protect the ecological health of the Yangtze River and its associated lakes and wetlands.
Frequently asked questions
The plant is located in Tangxiang Subdistrict, Dazu District, Chongqing, China.
The plant serves a population equivalent of 150,000 people.
The treated effluent is discharged into local water bodies that are part of the Yangtze River basin.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for pollutants like COD, BOD, and nutrients.
Plants of this scale in China are typically required to achieve Class 1A or 1B standards, which involve secondary biological treatment and often nutrient removal to protect sensitive water bodies.
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