Overview
Sichuan wastewater treatment plant serves Huangwan Village in Emeishan City, Sichuan Province, China, treating wastewater for approximately 32,100 people.
The Sichuan wastewater treatment plant is located in Huangwan Village, Emeishan City, within Leshan City, Sichuan Province, China. It serves a population of approximately 32,100, placing it in the medium agglomeration category under Chinese wastewater regulations. The plant is situated inland, over 50 km from the coast, and its operations are part of the municipal infrastructure for the region. Under China's national wastewater standards, plants of this scale are typically required to meet Class 1A or 1B discharge standards, which mandate secondary treatment with nutrient removal. It operates within the framework of China's Water Pollution Prevention and Control Law, which sets effluent limits for pollutants such as COD, BOD, ammonia nitrogen, and total phosphorus. The treated wastewater from this plant likely discharges into local water bodies that drain into the Yangtze River basin, given Sichuan's geography. The plant plays a key role in protecting downstream aquatic ecosystems, including the Yangtze River, which supports diverse freshwater species and provides water for millions of people. Proper treatment helps reduce nutrient loading and maintain water quality in this ecologically significant region.
Environmental context
The plant's treated effluent likely flows into local streams and rivers within the Yangtze River basin, eventually reaching the East China Sea. The region supports diverse aquatic life, including fish species important for local fisheries. Effective wastewater treatment is crucial to prevent eutrophication and protect downstream water quality in this densely populated and agriculturally active area.
Frequently asked questions
The plant is located in Huangwan Village, Emeishan City, Leshan City, Sichuan Province, China.
The plant serves approximately 32,100 people, classifying it as a medium-sized agglomeration.
The treated wastewater likely discharges into local water bodies that are part of the Yangtze River basin, eventually reaching the East China Sea.
The plant operates under China's Water Pollution Prevention and Control Law, which sets discharge standards for pollutants. Plants of this scale are typically required to meet Class 1A or 1B standards, including secondary treatment and nutrient removal.
For medium-sized agglomerations in China, standard treatment includes secondary biological processes such as activated sludge, often with additional nutrient removal to meet Class 1A or 1B effluent standards.
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