Shanghai Wastewater Treatment Plant, Chongming District, China

The Shanghai wastewater treatment plant is located in Chongming District, a rural area of Shanghai municipality, China. It serves a population of approximately 180,000 people, classifying it as a medium-to-large agglomeration under Chinese wastewater regulations. The facility is situated in the Yangtze River Delta region, an area with extensive water management infrastructure. Chinese wastewater treatment plants of this scale typically employ secondary or advanced treatment technologies to meet national discharge standards (GB 18918-2002). The plant's designed capacity is 1. China's regulatory framework requires municipal plants to achieve pollutant removal rates that protect receiving water bodies. The plant discharges into the local water system within the Yangtze River basin, which ultimately flows into the East China Sea. The Chongming area is ecologically significant as it supports wetland habitats and migratory bird populations. Proper treatment is essential to prevent nutrient loading and maintain water quality in this sensitive estuarine environment.

The plant's treated effluent enters the Yangtze River basin, which drains into the East China Sea. The Yangtze estuary is a critical ecological zone supporting diverse aquatic life and serving as a major migratory corridor for fish and birds. Nutrient management is particularly important in this region to prevent eutrophication in coastal waters.