Liaoning Wastewater Treatment Plant, Qingyuan Town, Liaoning Province

The Liaoning wastewater treatment plant is located in Qingyuan Town, Qingyuan Manchu Autonomous County, Liaoning Province, China. It serves a population of approximately 79,000, providing secondary treatment to municipal wastewater. The plant is situated inland, away from coastal areas, and its operations are part of the region's water management infrastructure. As a secondary treatment facility, the plant meets the standard requirements for organic matter and suspended solids removal. Under China's national wastewater discharge standards, such plants are expected to comply with the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets limits for key pollutants. Indicating a moderate scale of operation. The treated effluent from the plant is discharged into local rivers that eventually flow into the broader water system of Liaoning Province. The region's watershed supports agricultural and ecological functions, and the plant plays a role in protecting downstream water quality. The surrounding environment includes rivers that drain into the Bohai Sea, a semi-enclosed sea with significant ecological importance.

The plant discharges into local rivers within the Liao River basin, which flows into the Bohai Sea. The Bohai Sea is a semi-enclosed water body that supports diverse marine life and is an important fishing ground. The plant's secondary treatment helps reduce nutrient and organic loads, mitigating eutrophication risks in downstream waters.