Overview
WEGNEZ wastewater treatment plant serves Pepinster, Belgium, with a population equivalent of 113,784. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
The WEGNEZ wastewater treatment plant is located in Pepinster, within the Liège province of Wallonia, Belgium. Serving a population equivalent of approximately 113,784, it is classified as a large agglomeration under EU regulations. The plant is situated in the Vesdre river basin, a region known for its industrial history and hilly terrain. As a facility serving over 100,000 people, WEGNEZ is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary biological treatment as a minimum. For sensitive areas, tertiary treatment may be mandated. The plant's operational details, including specific treatment processes and capacity, are part of the municipal wastewater infrastructure managed by the local authorities. The treated effluent from WEGNEZ is discharged into the Vesdre River, which flows into the Ourthe River and eventually joins the Meuse River, a major European waterway that drains into the North Sea. The Vesdre basin supports diverse aquatic life and is an important ecological corridor in the Ardennes region. The plant plays a key role in protecting water quality in this sensitive watershed.
Environmental context
The WEGNEZ plant discharges into the Vesdre River, a tributary of the Ourthe River, which flows into the Meuse River. The Meuse ultimately drains into the North Sea via the Dutch delta. The Vesdre basin is ecologically sensitive, supporting fish populations such as brown trout and grayling, and is a vital corridor for migratory species. The region's industrial legacy and urban runoff necessitate effective wastewater treatment to maintain water quality and biodiversity.
Frequently asked questions
The WEGNEZ plant is located at 21 Rue Vovegnez, Wegnez, in the municipality of Pepinster, Liège province, Wallonia, Belgium.
The plant serves a population equivalent of 113,784, classifying it as a large agglomeration under EU regulations.
Treated effluent from WEGNEZ is discharged into the Vesdre River, which flows into the Ourthe River and then the Meuse River, ultimately reaching the North Sea.
As a Belgian plant serving over 100,000 people, WEGNEZ operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and potentially tertiary treatment in sensitive areas.
For large agglomerations in Belgium, the EU UWWTD mandates secondary biological treatment. In sensitive catchments like the Meuse basin, tertiary treatment (nutrient removal) is often required to protect water quality.
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