WANSIN Wastewater Treatment Plant, Hannut, Liège, Belgium

WANSIN is a wastewater treatment plant located in the Wansin district of Hannut, in the province of Liège, Wallonia, Belgium. The plant serves the local population as part of the municipal wastewater infrastructure, with a designed capacity of 5,000 cubic meters per day. It operates under the regulatory framework of the European Union's Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for secondary treatment for agglomerations of this scale. The plant provides secondary treatment, a biological process that removes organic matter and suspended solids. For plants of this capacity, the EU directive requires secondary treatment as a minimum, with more stringent requirements for sensitive areas. The plant's discharge contributes to the protection of local water quality and aligns with Belgium's implementation of the directive. The treated effluent from WANSIN is discharged into local watercourses that drain into the Meuse River basin. The Meuse flows through Belgium and the Netherlands before reaching the North Sea. The plant plays a role in safeguarding the ecological health of these waters, supporting aquatic life and downstream ecosystems.

WANSIN discharges into local streams that are part of the Meuse River basin, which flows through Belgium and the Netherlands to the North Sea. The Meuse supports diverse aquatic life and is an important water resource for the region. The plant's secondary treatment helps reduce nutrient and organic pollution, protecting downstream habitats and water quality.