Overview
Guizhou wastewater treatment plant serves 80,000 people in Bozhou District, Zunyi, Guizhou, China. It operates under national wastewater standards for medium-sized agglomerations.
The Guizhou wastewater treatment plant is located in Bozhou District, Zunyi City, Guizhou Province, China. It serves a population of approximately 80,000, classifying it as a medium-sized agglomeration under Chinese 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 around 80,000, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, depending on local environmental conditions. The plant discharges into local waterways that ultimately drain into the Yangtze River basin via the Wu River system. This region is part of the upper Yangtze watershed, which supports diverse aquatic life and provides water for agriculture and communities downstream. Proper treatment helps protect water quality in this ecologically important area.
Environmental context
The plant's treated effluent flows into tributaries of the Wu River, a major tributary of the Yangtze River. The Yangtze basin is one of the world's most biodiverse freshwater ecosystems, supporting hundreds of fish species and providing critical habitat for migratory birds. Effective wastewater treatment is essential to prevent eutrophication and maintain water quality in this densely populated and agriculturally active region.
Frequently asked questions
The plant is located on G210 in Bozhou District, Zunyi City, Guizhou Province, China.
The plant serves approximately 80,000 people, making it a medium-sized municipal wastewater facility.
The plant discharges treated effluent into local waterways that flow into the Wu River, a tributary of the Yangtze River.
The plant operates under China's national wastewater discharge standard GB 18918-2002, which sets effluent quality requirements for municipal plants based on the sensitivity of the receiving water body.
For medium-sized agglomerations in China, secondary treatment with biological nutrient removal is standard, often targeting Class 1-A or 1-B discharge limits to protect water quality in receiving rivers.
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