Overview
The Sichuan wastewater treatment plant serves 246,700 people in Bazhou District, Bazhong City, Sichuan Province, China. It is an inland facility operating under China's national wastewater discharge standards.
The Sichuan wastewater treatment plant is located in Bazhou District, Bazhong City, in the mountainous region of Sichuan Province, China. It serves a population of approximately 246,700, classifying it as a medium-to-large agglomeration under Chinese municipal wastewater management. The plant is situated inland, far from coastal areas, and its operations are governed by China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002). As a facility serving over 100,000 people, it is expected to meet Class 1-A or Class 1-B effluent standards under the national regulation, which typically requires biological treatment with nutrient removal. Plants of this scale in China commonly employ activated sludge processes with secondary treatment and disinfection. The population served suggests a substantial treatment capacity. The plant discharges treated wastewater into local water bodies within the Yangtze River basin, likely tributaries of the Jialing River or Qu River system. These rivers flow southward through Sichuan's hilly terrain, eventually reaching the Yangtze River. The downstream environment supports diverse aquatic life and provides water for agricultural and domestic use, making effective treatment critical for maintaining water quality in the region.
Environmental context
The plant's treated effluent enters local waterways within the Yangtze River basin, likely flowing into the Jialing River or its tributaries, which converge with the Yangtze River downstream. This watershed supports a range of freshwater species and is used for irrigation and drinking water supply. The region's mountainous terrain and seasonal rainfall patterns can influence dilution and pollutant transport, emphasizing the need for consistent treatment performance to protect downstream ecological health.
Frequently asked questions
The plant is located in Bazhou District, Bazhong City, Sichuan Province, China. Its address is in Dongcheng Subdistrict, Bazhou District.
The plant serves approximately 246,700 people, making it a medium-to-large municipal wastewater treatment facility.
The plant discharges treated effluent into local rivers within the Yangtze River basin, likely tributaries of the Jialing River or Qu River system.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets effluent limits for pollutants like COD, BOD, ammonia, and phosphorus.
Plants of this scale in China are typically required to meet Class 1-A or Class 1-B standards, which involve biological treatment with nutrient removal and disinfection, such as activated sludge processes.
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