Overview
Chongqing wastewater treatment plant serves 130,000 people in Nan'an District, Chongqing, China. It operates under China's national wastewater standards, discharging into the Yangtze River basin.
The Chongqing wastewater treatment plant is located in Nan'an District, Chongqing, China, serving a population of 130,000. Situated near the Chaotianmen Yangtze River Bridge, it is part of the municipal infrastructure for this major inland city. The plant operates under China's national wastewater discharge standards, which require secondary treatment for urban wastewater. Plants serving populations over 100,000 are typically subject to stricter effluent limits to protect receiving waters. The plant discharges into the Yangtze River, the longest river in Asia, which flows through Chongqing and eventually reaches the East China Sea near Shanghai. The Yangtze basin supports diverse aquatic life and is a critical water resource for millions of people downstream.
Environmental context
The plant discharges into the Yangtze River, which flows through Chongqing and continues eastward to the East China Sea. The Yangtze basin is ecologically significant, supporting numerous fish species and providing water for agriculture and industry. Downstream ecosystems include important wetlands and migratory bird habitats.
Frequently asked questions
The plant is located in Nan'an District, Chongqing, China, near the Chaotianmen Yangtze River Bridge.
The plant serves approximately 130,000 people in the Nan'an District area.
The plant discharges treated wastewater into the Yangtze River, which flows through Chongqing and eventually reaches the East China Sea.
China's wastewater treatment is regulated under the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets effluent limits for various pollutants. Plants serving over 100,000 people are typically required to meet stricter standards.
For a plant of this scale in China, secondary biological treatment is standard, often with nutrient removal to meet Class 1A or 1B discharge standards, especially when discharging into sensitive water bodies like the Yangtze River.
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