Anhui Wastewater Treatment Plant, Xiejiagou District, Huainan, Anhui

The Anhui wastewater treatment plant is located in Xiejiagou District, Huainan City, Anhui Province, China. It serves a population of approximately 430,000 people, classifying it as a large agglomeration under Chinese wastewater regulations. The plant is situated in an inland area, away from the coast, and its operations are part of the municipal infrastructure managed by local authorities. Under China's national wastewater standards, plants serving over 100,000 people are typically required to achieve at least secondary treatment, with many larger facilities implementing advanced treatment to meet stricter effluent limits. It operates within the regulatory framework of China's Water Pollution Prevention and Control Law, which mandates compliance with discharge standards for urban wastewater. The treated effluent from the plant is discharged into local water bodies that ultimately flow into the Huai River basin. The Huai River is a major waterway in eastern China, supporting agriculture, industry, and aquatic ecosystems. The plant plays a key role in protecting downstream water quality and reducing pollution loads in this densely populated region.

The plant discharges into local streams that drain into the Huai River basin, a major watershed in eastern China. The Huai River flows eastward into Hongze Lake and eventually reaches the Yellow Sea. The basin supports diverse aquatic life and is an important water source for irrigation and industry. Protecting water quality in this region is critical for maintaining ecological balance and public health.