Overview
Guizhou wastewater treatment plant serves 55,000 people in Lujie, Xingren, Guizhou, China. It operates under China's national wastewater standards for medium-sized agglomerations.
The Guizhou wastewater treatment plant is located in Lujie Subdistrict, Xingren City, within the Qianxinan Buyei and Miao Autonomous Prefecture of Guizhou Province, China. It serves a population of approximately 55,000, classifying it as a medium-sized agglomeration under Chinese municipal wastewater management frameworks. As a facility in China, the plant is subject to the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets effluent limits based on the receiving water body's sensitivity. For plants serving populations between 10,000 and 100,000, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on local environmental requirements. The plant's treated effluent is discharged into local waterways that eventually drain into the Pearl River basin, which flows through southern China into the South China Sea. The surrounding region features karst topography and supports diverse aquatic ecosystems, making effective wastewater treatment important for protecting downstream water quality and biodiversity.
Environmental context
The plant discharges into tributaries of the Beipan River, part of the larger Pearl River system that drains into the South China Sea. This watershed supports ecologically sensitive karst wetlands and provides habitat for endemic fish species. Proper treatment is critical to prevent eutrophication and maintain water quality in this region known for its unique limestone geology and agricultural use of river water.
Frequently asked questions
The plant is located in Lujie Subdistrict, Xingren City, Qianxinan Buyei and Miao Autonomous Prefecture, Guizhou Province, China.
The plant serves approximately 55,000 people, making it a medium-sized municipal wastewater facility.
Treated effluent is discharged into local waterways that flow into the Beipan River, part of the Pearl River basin, ultimately reaching the South China Sea.
The plant operates under China's GB 18918-2002 standard, which sets discharge limits for pollutants. For medium-sized plants, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards.
For a plant of this scale in China, secondary biological treatment with nitrogen and phosphorus removal is standard to comply with national effluent standards and protect receiving waters.
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