Jiangxi Wastewater Treatment Plant, Beishan Township, Jiujiang, Jiangxi, China

The Jiangxi wastewater treatment plant is situated in Beishan Township, Duchang County, within the city of Jiujiang in Jiangxi Province, China. It serves an estimated population of 80,000 people, placing it in the medium agglomeration category. The facility is located inland but within 50 km of the coast, indicating potential influence on coastal water quality. As a Chinese municipal wastewater plant, it operates under national standards such as the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). For a plant of this scale, secondary treatment with nutrient removal is typically required to meet Class 1-A or 1-B standards, especially given its proximity to sensitive coastal waters. The designed capacity is 1.00 (likely in 10,000 m³/d or similar units), suggesting a moderate treatment volume. The plant's treated effluent likely discharges into local waterways that drain into Poyang Lake, China's largest freshwater lake, and eventually into the Yangtze River and the East China Sea. This watershed supports diverse aquatic life and provides critical ecosystem services, including water supply and flood regulation. The plant's performance is important for protecting downstream water quality and the ecological health of Poyang Lake.

The plant is located in the Poyang Lake basin, which drains into the Yangtze River and ultimately the East China Sea. Poyang Lake is a vital wetland ecosystem that supports migratory birds and freshwater fisheries. The plant's discharge, if not adequately treated, could contribute to nutrient loading and eutrophication in the lake, affecting biodiversity and water quality. Given its proximity to the coast, the plant also has implications for marine environments downstream.