Overview
Montignies-sur-Sambre wastewater treatment plant serves Charleroi, Belgium, with a population equivalent of 119,196. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations over 10,000 PE.
The Montignies-sur-Sambre wastewater treatment plant is located in Charleroi, within the Hainaut province of Belgium. It serves a population equivalent of 119,196, classifying it as a large agglomeration under EU regulations. The plant is situated in the Walloon region, an area with significant industrial history and dense urban settlement. As a facility serving over 100,000 people, the plant is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary biological treatment as a minimum. For sensitive areas, which include many water bodies in Belgium, tertiary treatment for nutrient removal may also be mandated. The regulatory framework ensures compliance with European standards. The treated effluent is discharged into the Sambre River, a tributary of the Meuse River, which flows through Belgium and the Netherlands before reaching the North Sea. The Sambre-Meuse basin supports diverse aquatic life and is an important ecological corridor. The plant plays a crucial role in protecting water quality in this densely populated and industrialized region.
Environmental context
The plant discharges into the Sambre River, which flows into the Meuse River, ultimately reaching the North Sea via the Dutch delta. The Sambre-Meuse basin is a heavily industrialized and urbanized area, historically impacted by mining and heavy industry. The plant's treatment helps reduce nutrient and pollutant loads, protecting downstream ecosystems and supporting biodiversity in a region where water quality has been a long-standing concern.
Frequently asked questions
The plant is located at 401, Chaussée de Charleroi, Montignies-sur-Sambre, Charleroi, in the Hainaut province of Belgium.
The plant serves a population equivalent of 119,196, classifying it as a large agglomeration under EU regulations.
The treated effluent is discharged into the Sambre River, a tributary of the Meuse River, which flows through Belgium and the Netherlands to the North Sea.
As a Belgian plant serving over 10,000 PE, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and, in sensitive areas, tertiary treatment for nutrient removal.
Under the EU UWWTD, plants serving over 10,000 PE must have at least secondary biological treatment. In sensitive areas like many Belgian water bodies, tertiary treatment for nitrogen and phosphorus removal is also required.
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