Overview
Guangdong wastewater treatment plant serves 130,000 people in Zhongshan, Guangdong Province, China. Located within 50 km of the coast, it discharges into the Pearl River Delta system.
The Guangdong wastewater treatment plant is located in Sanjiao Town, Zhongshan City, Guangdong Province, China. It serves a population of 130,000, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations. The plant is situated in the densely populated Pearl River Delta, a region with extensive industrial and urban development. China's wastewater treatment standards are governed by the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits based on the receiving water body's sensitivity. For plants in coastal provinces like Guangdong, tertiary treatment is often required to protect marine and estuarine environments. The designed capacity is 1.00 (likely in 10,000 m³/d or similar units), indicating a significant treatment volume. The plant's treated effluent ultimately enters the Pearl River system, which flows into the South China Sea. The Pearl River Delta is a vital ecological and economic region, supporting diverse aquatic life and important fisheries. The plant plays a key role in reducing nutrient and pollutant loads to the delta, helping to mitigate eutrophication and protect downstream coastal waters.
Environmental context
The plant discharges into the Pearl River Delta, a complex network of waterways that drains into the South China Sea. This estuary supports rich biodiversity, including mangrove forests and spawning grounds for commercial fish species. The delta is ecologically sensitive due to high urban and industrial runoff, making effective wastewater treatment critical for maintaining water quality and preventing harmful algal blooms in coastal areas.
Frequently asked questions
The plant is located in Sanjiao Town, Zhongshan City, Guangdong Province, China, in the Pearl River Delta region.
The plant serves approximately 130,000 people, classifying it as a medium-to-large agglomeration.
The treated effluent is discharged into the Pearl River Delta system, which flows into the South China Sea.
The plant operates under China's Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits based on the receiving water body's sensitivity.
For agglomerations of this size in coastal provinces like Guangdong, tertiary treatment is often required to meet stringent discharge standards and protect sensitive estuarine and marine environments.
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