Overview
Sichuan wastewater treatment plant serves Shuangliu District, Chengdu, Sichuan, China, with a population of 115,500. The facility operates under China's national wastewater standards.
The Sichuan wastewater treatment plant is located in Shuangliu District, Chengdu, Sichuan Province, China. It serves a population of approximately 115,500, classifying it as a medium-to-large agglomeration under Chinese wastewater management frameworks. The plant is situated in the western part of the Sichuan Basin, a region characterized by a humid subtropical climate and dense urban development. As a facility serving over 100,000 people, the plant is expected to meet China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which mandates secondary treatment with nutrient removal for plants of this scale. The regulatory framework also requires compliance with effluent limits for chemical oxygen demand, ammonia nitrogen, and total phosphorus to protect receiving waters. The plant discharges into the local water system within the Yangtze River basin, ultimately draining into the East China Sea. Its operations are critical for maintaining water quality in the Min River tributary network, which supports agricultural irrigation, industrial use, and aquatic ecosystems in the densely populated Chengdu Plain.
Environmental context
The plant discharges into the Min River system, a major tributary of the Yangtze River. The Yangtze basin supports diverse aquatic life, including endemic fish species, and provides water for millions of people downstream. The plant's effluent contributes to the nutrient load in the river, making advanced treatment important for preventing eutrophication in downstream lakes and the East China Sea coastal zone.
Frequently asked questions
The plant is located in Shuangliu District, Chengdu, Sichuan Province, China, in the western part of the Sichuan Basin.
The plant serves approximately 115,500 people, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations.
The plant discharges treated effluent into the local water system within the Min River basin, which flows into the Yangtze River and eventually reaches the East China Sea.
The plant must comply with China's GB 18918-2002 standard, which requires secondary treatment with nutrient removal for facilities serving over 100,000 people.
Plants of this scale in China are typically required to provide secondary treatment with biological nutrient removal to meet effluent limits for organic matter, nitrogen, and phosphorus.
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