Liaoning Wastewater Treatment Plant, Xincheng Street, Kaiyuan City

The Liaoning wastewater treatment plant is located in Xincheng Street, Kaiyuan City, Liaoning Province, China. It serves a population of approximately 191,000 people, classifying it as a medium-to-large agglomeration under Chinese wastewater management standards. As a plant in China, it operates under the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits based on receiving water body sensitivity. For plants serving over 100,000 people, secondary treatment with nutrient removal is typically required, especially in environmentally sensitive areas. The plant discharges into the local watershed, which is part of the Liao River basin. The Liao River flows through Liaoning Province and ultimately drains into the Bohai Sea. The downstream environment supports diverse aquatic life and is important for regional agriculture and fisheries.

The plant's treated effluent enters the Liao River basin, which flows through Liaoning Province and discharges into the Bohai Sea. The Bohai Sea is a semi-enclosed marginal sea that supports important fisheries and marine ecosystems. The Liao River basin is heavily industrialized and agricultural, making water quality management critical for downstream ecological health and human use.