Overview
Chongqing wastewater treatment plant serves 350,000 people in Wanzhou District, Chongqing, China. It operates under national environmental regulations for large agglomerations.
The Chongqing wastewater treatment plant is located in Longdu Street, Wanzhou District, Chongqing, China, serving an estimated population of 350,000. As a large agglomeration, it plays a critical role in managing municipal wastewater in the upper Yangtze River region. Chinese regulations require secondary treatment for urban wastewater plants of this scale. The plant's designed capacity is reported as 1.00 (likely in units such as 10,000 m³/day), indicating substantial infrastructure to handle the local population's wastewater. The plant's treated effluent ultimately flows into the Yangtze River basin, which is ecologically significant as it supports diverse aquatic life and provides water for millions downstream. The plant's location within 50 km of the coast suggests its discharge may influence estuarine and marine environments in the East China Sea.
Environmental context
The plant discharges into the Yangtze River system, which flows eastward through central China before emptying into the East China Sea near Shanghai. This watershed supports critical fisheries, biodiversity, and drinking water supplies for a densely populated region. The plant's proximity to the coast (within 50 km) means its nutrient and pollutant loads can affect estuarine and coastal water quality, potentially impacting marine ecosystems and aquaculture.
Frequently asked questions
The plant is located in Longdu Street, Wanzhou District, Chongqing, China, serving the local urban population.
The plant serves approximately 350,000 people, classifying it as a large agglomeration under Chinese wastewater regulations.
The plant discharges into the Yangtze River system, which flows through central China and ultimately reaches the East China Sea.
China's Water Pollution Prevention and Control Law mandates secondary treatment for urban wastewater plants serving over 100,000 people. The plant's scale requires compliance with national discharge standards to protect the Yangtze River basin.
Plants of this size typically employ secondary biological treatment (e. g. , activated sludge) with nutrient removal, as required by Chinese standards for large agglomerations to reduce environmental impact on receiving waters.
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