Overview
Lille C U Marquette is a major wastewater treatment plant serving over 450,000 people in Marquette-lez-Lille, Hauts-de-France, France. It discharges treated water into the Deûle River, part of the Scheldt basin.
Lille C U Marquette is a large wastewater treatment plant located in Marquette-lez-Lille, a suburb of Lille in the Hauts-de-France region of northern France. The plant serves a population equivalent of approximately 450,200, making it a significant facility within the Lille metropolitan area. Its location along the Canal de Roubaix places it within the dense urban and industrial landscape of the region. As a plant of this scale in France, Lille C U Marquette operates under the European Union's Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 15,000 population equivalent and tertiary treatment in sensitive areas. The Hauts-de-France region includes water bodies designated as sensitive due to eutrophication, so the plant likely employs advanced treatment to meet stringent nutrient removal standards. The facility is part of the integrated wastewater management system for the Lille urban area. The treated effluent from Lille C U Marquette is discharged into the Deûle River, a tributary of the Lys River, which flows into the Scheldt River. The Scheldt ultimately drains into the North Sea via the Western Scheldt estuary in Belgium and the Netherlands. This river system supports diverse aquatic life and is an important ecological corridor in the region. The plant plays a crucial role in protecting water quality in this transboundary basin.
Environmental context
The plant discharges into the Deûle River, a tributary of the Lys River, which joins the Scheldt River. The Scheldt flows through Belgium and the Netherlands into the North Sea. This basin supports diverse aquatic habitats and is a key migratory route for fish. The region's industrial history has led to legacy pollution, making the plant's treatment essential for maintaining ecological health.
Frequently asked questions
Lille C U Marquette is located in Marquette-lez-Lille, a suburb of Lille in the Hauts-de-France region of northern France. The address is Chemin de Halage du Canal de Roubaix, Domaine de la Rivière, 59520 Marquette-lez-Lille.
The plant serves a population equivalent of approximately 450,200 people, making it a large agglomeration under EU classification.
Treated wastewater from the plant is discharged into the Deûle River, a tributary of the Lys River, which flows into the Scheldt River and eventually reaches the North Sea.
As a plant serving over 150,000 population equivalent, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and, in sensitive areas like parts of Hauts-de-France, tertiary treatment for nutrient removal.
In France, large agglomerations like this typically employ advanced biological treatment with nutrient removal (nitrogen and phosphorus) to meet EU standards. The plant likely includes activated sludge processes and possibly tertiary filtration.
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