Overpelt Wastewater Treatment Plant, Overpelt, Limburg, Belgium

The Overpelt wastewater treatment plant is located in the town of Overpelt, within the province of Limburg in the Flemish Region of Belgium. The facility serves a population equivalent of 14,100, classifying it as a medium-sized agglomeration under EU regulations. As a Belgian plant, Overpelt operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into freshwater. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant's treated effluent is discharged into local waterways that ultimately drain into the Scheldt River basin, flowing toward the North Sea. This region supports diverse aquatic life and is part of a densely populated area where water quality management is critical for both ecological and recreational uses.

The Overpelt plant discharges into the Dommel River, a tributary of the Meuse River, which flows through the Netherlands before reaching the North Sea. The Dommel is part of a sensitive freshwater ecosystem that supports fish species such as brown trout and grayling. Maintaining high treatment standards is essential to prevent nutrient pollution and protect downstream biodiversity.