LA JUSTICE Wastewater Treatment Plant, Braine-l'Alleud, Belgium

LA JUSTICE is a former wastewater treatment plant located in Braine-l'Alleud, within the Brabant wallon province of Belgium. It served a small population of 331 people, reflecting its role in a rural or peri-urban setting. The plant is now closed, but its operational history provides insight into local wastewater management. The plant provided secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Although the plant is closed, the directive typically mandates secondary treatment for populations between 2,000 and 10,000, and more advanced treatment in sensitive areas. The designed capacity of 700 m³/day indicates the plant was sized for a larger community than its actual served population. The treated effluent was discharged into local water bodies, ultimately contributing to the Senne River basin, which flows through the Brussels region and into the Scheldt estuary. Reducing local discharge impacts. The surrounding area is part of the Walloon region's water management framework, which emphasizes protection of surface water quality.

The plant discharged into the Senne River basin, which flows through Braine-l'Alleud and eventually joins the Scheldt River in Belgium. The Scheldt estuary is an ecologically important area supporting diverse aquatic life and migratory birds. The closure of this plant likely reduced local nutrient and pollutant loads to the Senne, benefiting downstream water quality in the Scheldt and the North Sea.