Aartselaar Wastewater Treatment Plant, Antwerp, Belgium

The Aartselaar wastewater treatment plant is located in the municipality of Aartselaar, within the province of Antwerp, Belgium. It serves a population equivalent of 73,600, classifying it as a medium-to-large agglomeration under European Union regulations. As a Belgian plant, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The plant's designed capacity is 1. The plant discharges treated wastewater into local waterways that ultimately drain into the Scheldt River basin, which flows through Antwerp and into the North Sea. This river system supports diverse aquatic life and is an important ecological corridor in the region.

The plant's treated effluent enters the local drainage network, which feeds into the Scheldt River basin. The Scheldt flows through Antwerp and discharges into the North Sea, a sensitive marine environment. The river supports migratory fish species and estuarine habitats, making effective wastewater treatment critical for maintaining water quality and ecological health in the downstream watershed.