Overview
Yunnan wastewater treatment plant serves Yuxi City in Yunnan Province, China, with a population equivalent of 520,000. The facility operates under China's national wastewater discharge standards.
The Yunnan wastewater treatment plant is located in Yuxi City, Yunnan Province, China, serving a population of 520,000. Situated in the Hongta District, the plant is a key component of the region's municipal wastewater infrastructure, handling domestic and industrial flows from the urban area. China's wastewater treatment regulations, including the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), set effluent limits for plants of this scale. For large agglomerations serving over 500,000 people, secondary treatment with nutrient removal is typically required to protect receiving waters. The plant's treatment process and capacity are managed to comply with these national standards. The treated effluent is discharged into local water bodies that ultimately drain into the Pearl River system, which flows into the South China Sea. This watershed supports diverse aquatic life and provides water for agriculture and industry downstream. The plant's operation is critical for maintaining water quality in the region's rivers and preventing eutrophication in downstream lakes and coastal areas.
Environmental context
The plant discharges into the local river network within the Pearl River basin, which flows through southern China and empties into the South China Sea. This watershed supports diverse aquatic ecosystems, including fish spawning grounds and migratory corridors. The region's subtropical climate and intensive agriculture increase the risk of nutrient pollution, making effective wastewater treatment essential for protecting downstream water quality and ecological health.
Frequently asked questions
The plant is located in Yuxi City, Yunnan Province, China, specifically in the Hongta District along Daying Street.
The plant serves a population equivalent of 520,000 people in the Yuxi urban area.
The treated effluent is discharged into local rivers that are part of the Pearl River basin, ultimately flowing into the South China Sea.
The plant operates under China's national standards, including GB 18918-2002, which sets discharge limits for pollutants. Large plants like this are required to meet secondary treatment standards with nutrient removal.
For agglomerations over 500,000 people, Chinese regulations typically mandate secondary biological treatment with nitrogen and phosphorus removal to protect sensitive water bodies.
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