Guangdong Wastewater Treatment Plant, Nanhai District, Foshan, China

The Guangdong wastewater treatment plant is located in Nanhai District, Foshan, within Guangdong Province, China. It serves a population of 176,000, classifying it as a medium-to-large agglomeration under Chinese wastewater management frameworks. The plant is situated in the densely populated Pearl River Delta region, an area with significant industrial and urban wastewater treatment demands. The plant operates under China's national discharge standards (GB 18918-2002), which mandate secondary treatment for municipal wastewater. For plants serving populations over 100,000, enhanced treatment may be required to meet local water quality objectives. The designed capacity is 1. The treated effluent is discharged into the local water system, which ultimately flows into the Pearl River Delta and then the South China Sea. The Pearl River Delta is a critical ecological and economic zone, supporting diverse aquatic life and providing water for agriculture and industry. The plant plays a key role in protecting downstream water quality and reducing pollution loads to the delta and coastal environment.

The plant discharges into the Pearl River Delta watershed, which drains into the South China Sea. This delta is a highly productive estuarine ecosystem supporting fisheries and migratory birds. The plant's operations help mitigate nutrient and pollutant loads that could otherwise contribute to eutrophication and habitat degradation in the coastal zone.