Overview
The Sichuan wastewater treatment plant serves Yilong County in Sichuan Province, China, with a population of 55,000. It operates under China's national wastewater discharge standards.
The Sichuan wastewater treatment plant is located on Binjiang Avenue in Yilong County, Nanchong City, Sichuan Province, China. It serves a population of approximately 55,000 people, classifying it as a medium-sized municipal facility within the region's wastewater infrastructure. China's wastewater treatment regulations, including the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), set effluent quality requirements based on the receiving water body's sensitivity. For plants serving populations of this scale, secondary treatment with nutrient removal is typically mandated to protect downstream water resources. The plant's treated effluent is discharged into local waterways that eventually drain into the Yangtze River basin, a critical ecological and economic resource for central China. The Yangtze River supports diverse aquatic life and provides water for millions of people, making effective wastewater treatment essential for maintaining water quality and ecosystem health.
Environmental context
The plant discharges into local tributaries of the Jialing River, a major tributary of the Yangtze River. The Yangtze River basin is one of the world's most biodiverse freshwater ecosystems, supporting numerous fish species and providing habitat for migratory birds. Effective treatment helps protect downstream water quality in this densely populated and ecologically significant region.
Frequently asked questions
The plant is located on Binjiang Avenue in Yilong County, Nanchong City, Sichuan Province, China.
The plant serves approximately 55,000 people in Yilong County and surrounding areas.
The treated effluent is discharged into local waterways that flow into the Jialing River, a major tributary of the Yangtze River.
The plant operates under China's national wastewater discharge standards, particularly GB 18918-2002, which sets effluent limits for pollutants based on the sensitivity of the receiving water body.
For medium-sized agglomerations in China, secondary biological treatment with nutrient removal is standard to meet national discharge standards and protect downstream water quality.
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