Overview
Yunnan wastewater treatment plant serves Qilin District, Qujing City, Yunnan Province, China, with a population of 580,000. It operates under China's national wastewater regulations.
Yunnan wastewater treatment plant is located in Qilin District, Qujing City, Yunnan Province, China. It serves a population of approximately 580,000, classifying it as a large agglomeration under Chinese wastewater management standards. The plant is situated inland, away from coastal areas, and its operations are part of the municipal infrastructure for the region. Under China's national wastewater discharge standards (GB 18918-2002), large-scale plants like this are typically required to achieve secondary or advanced treatment to protect receiving water bodies. The regulatory framework ensures that facilities of this scale meet stringent effluent quality requirements to minimize environmental impact. The treated wastewater likely discharges into local rivers or streams within the Yangtze River basin, as Yunnan Province is part of this major watershed. The plant plays a crucial role in protecting downstream aquatic ecosystems and supporting water quality in the region's densely populated areas.
Environmental context
The plant is located in the Yangtze River basin, which drains into the East China Sea. The local watershed includes the Nanpan River, a tributary of the Pearl River, which flows through karst landscapes and supports diverse aquatic life. The plant's discharge contributes to the overall water quality of these rivers, which are vital for irrigation, drinking water, and ecological balance in southwestern China.
Frequently asked questions
The plant is located in Qilin District, Qujing City, Yunnan Province, China, along the G60 Expressway in Baishijiang Subdistrict.
The plant serves approximately 580,000 people, making it a large-scale municipal facility.
The treated wastewater is discharged into local rivers within the Yangtze River basin, likely into the Nanpan River system, which flows toward the Pearl River Delta.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets limits on pollutants like COD, BOD, and nitrogen for facilities of this scale.
For large agglomerations in China, secondary or advanced treatment (e. g. , activated sludge with nutrient removal) is standard to meet Class 1A or 1B discharge standards, protecting sensitive water bodies.
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