Overview
Chongqing wastewater treatment plant serves Yongchuan District, Chongqing, China, with a population equivalent of 266,000. It operates under China's national wastewater standards.
The Chongqing wastewater treatment plant is located in Yongchuan District, Chongqing, China, serving a population of approximately 266,000 people. As a major facility in the region, it plays a key role in managing municipal wastewater from this urban area within the municipality of Chongqing. The plant is expected to comply with China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). For a facility serving over 100,000 people, secondary treatment with nutrient removal is typically required to meet Class 1A or 1B standards, depending on the receiving water body's sensitivity. The plant discharges treated effluent into local waterways that ultimately flow into the Yangtze River basin, one of China's most important ecological and economic corridors. The Yangtze River supports diverse aquatic life and provides water for millions downstream. Proper treatment at this plant helps protect water quality in the Yongchuan area and contributes to the health of the broader Yangtze ecosystem.
Environmental context
The plant's treated effluent enters local tributaries that drain into the Yangtze River, which flows eastward through central China to the East China Sea. The Yangtze basin is a critical freshwater resource supporting agriculture, industry, and biodiversity, including endemic fish species. Effective wastewater treatment is essential to reduce nutrient loading and protect downstream water quality in this densely populated and ecologically significant watershed.
Frequently asked questions
The plant is located in Yongchuan District, Chongqing, China, near Haitang Avenue.
The plant serves a population equivalent of 266,000 people in the Yongchuan area.
The treated effluent is discharged into local waterways that flow into the Yangtze River basin.
The plant operates under China's GB 18918-2002 standard, which sets discharge limits for pollutants. For a plant of this scale, secondary treatment with nutrient removal is typically required.
The Yangtze River supports diverse aquatic life and provides water for millions. Proper treatment reduces pollution and protects downstream ecosystems and water quality.
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