Overview
The Chongqing wastewater treatment plant serves Pengshui Miao and Tujia Autonomous County in Chongqing, China. It treats wastewater from a population of approximately 8,000 people.
The Chongqing wastewater treatment plant is located in Baozhen Town, Pengshui Miao and Tujia Autonomous County, within the Chongqing municipality of China. The facility serves a population of about 8,000 residents, representing a small-scale agglomeration in a mountainous region of southwestern China. As a small-scale plant in China, it operates under national wastewater discharge standards, which typically require secondary treatment for municipal wastewater. Chinese regulations mandate that facilities of this scale meet Class 1A or 1B discharge standards under the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). The plant discharges treated effluent into local waterways that eventually drain into the Yangtze River basin. The surrounding area features karst topography and diverse ecosystems, and the plant plays a role in protecting downstream water quality in the Wujiang River tributary system.
Environmental context
The plant's treated effluent flows into local streams that are part of the Wujiang River system, a major tributary of the Yangtze River. The Yangtze River basin supports extensive aquatic biodiversity, including endemic fish species and migratory corridors. The region's karst landscape makes groundwater particularly sensitive to contamination, underscoring the importance of effective wastewater treatment.
Frequently asked questions
The plant is located in Baozhen Town, Pengshui Miao and Tujia Autonomous County, within the Chongqing municipality of China.
The plant serves approximately 8,000 people in the local area.
The plant discharges into local streams that are part of the Wujiang River system, a tributary of the Yangtze River.
In China, municipal wastewater treatment plants must comply with the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). Small-scale plants like this one typically require secondary treatment and must meet Class 1A or 1B standards to protect receiving water bodies.
For a plant serving 8,000 people, secondary treatment is standard under Chinese regulations. This includes biological treatment processes to reduce organic matter and nutrients before discharge.
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