Overview
Sichuan wastewater treatment plant serves Chengdu, Sichuan, China, with a population equivalent of 123,000. The plant discharges into local waterways within the Yangtze River basin.
The Sichuan wastewater treatment plant is located in Chengdu, the capital of Sichuan Province in southwestern China. It serves a population equivalent of 123,000, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations. The plant is situated in the Jinniu District, near the Tianhui Primary School, and operates as part of the municipal infrastructure for the greater Chengdu area. China's wastewater treatment standards are governed by the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits based on the receiving water body's sensitivity. For plants serving over 100,000 people, advanced treatment (Class 1A or 1B) is typically required to protect water quality. Regulatory expectations for this scale emphasize nutrient removal and disinfection. The treated effluent from the plant ultimately drains into the Yangtze River basin via local tributaries such as the Fu River or Jin River, which flow through Chengdu. The Yangtze River is a critical ecological and economic resource, supporting diverse aquatic life and providing water for millions downstream. The plant's performance is important for reducing pollution loads in this major river system.
Environmental context
The plant discharges into the Yangtze River basin, one of the world's most biodiverse freshwater ecosystems. The downstream waters support numerous fish species, including the endangered Chinese sturgeon, and provide irrigation and drinking water for densely populated regions. The plant's location inland, over 50 km from the coast, means its effluent contributes to freshwater pollution rather than direct marine impacts, but nutrient loading can still affect downstream lakes and estuaries.
Frequently asked questions
The plant is located in Chengdu, Sichuan Province, China, in the Jinniu District near the Tianhui Primary School on Jinfurong Avenue.
The plant serves a population equivalent of 123,000, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations.
The treated effluent flows into local tributaries of the Yangtze River basin, such as the Fu River or Jin River, which ultimately drain into the Yangtze River.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). For plants serving over 100,000 people, advanced treatment (Class 1A or 1B) is typically required to protect sensitive water bodies.
For agglomerations of this scale, Chinese regulations generally mandate advanced treatment with nutrient removal (Class 1A or 1B standards) to reduce nitrogen and phosphorus loads, especially when discharging into sensitive basins like the Yangtze.
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