Jiangsu Wastewater Treatment Plant, Changshu, Jiangsu Province, China

The Jiangsu wastewater treatment plant is situated in Changshu City, Jiangsu Province, China, serving a population equivalent of approximately 91,100. The facility is part of the municipal wastewater infrastructure in the Yangtze River Delta region, an area characterized by dense urban development and industrial activity. The plant's designed capacity is 1. As a medium-sized agglomeration in China, the plant operates under national wastewater discharge standards, which typically require secondary treatment for urban wastewater. China's Water Pollution Prevention and Control Action Plan mandates stringent effluent limits for facilities discharging into sensitive water bodies. The plant's location within 50 km of the coast suggests potential influence from tidal dynamics and coastal management considerations. The treated effluent likely discharges into local rivers or canals that ultimately flow into the Yangtze River estuary and the East China Sea. This region supports diverse aquatic ecosystems and is a critical migratory corridor for fish and bird species. The plant's performance is important for maintaining water quality in downstream environments, including coastal wetlands and marine habitats.

The plant's receiving water body is likely part of the Yangtze River Delta drainage network, which flows into the East China Sea. This watershed supports extensive aquaculture, fisheries, and migratory bird populations. The coastal proximity means effluent discharge can affect estuarine and marine ecosystems, requiring careful management of nutrients and pollutants to prevent eutrophication and habitat degradation.