Jiangsu Wastewater Treatment Plant, Xuyi County, Jiangsu Province, China

The Jiangsu wastewater treatment plant is located in Xuyi County, part of Huai'an City in Jiangsu Province, China. It serves a population equivalent of 130,000, classifying it as a medium-to-large agglomeration under Chinese standards. The plant's designed capacity is 1. As a facility in China, the plant operates under the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants (GB 18918-2002), which sets effluent limits based on the receiving water body's sensitivity. For agglomerations of this scale, secondary treatment with nutrient removal is typically required, especially if the discharge is into a sensitive water body. Chinese regulations mandate regular monitoring and reporting. The plant's treated effluent likely discharges into a local waterway that ultimately flows into the Yangtze River basin or the Huai River system, both of which are ecologically significant. The Huai River, in particular, has faced pollution challenges and is a focus of China's water pollution control efforts. The plant's operation contributes to protecting downstream aquatic ecosystems and water quality for communities and agriculture.

The plant is located in Xuyi County, part of the Huai River basin, which drains into the Yellow Sea via the Yangtze River or directly through the Huai River system. The Huai River is a major waterway in eastern China, supporting diverse aquatic life and providing water for irrigation and drinking. The region's flat terrain and dense population make wastewater treatment critical for preventing eutrophication and protecting downstream ecosystems, including important fisheries and wetlands.