Overview
OLLOY SUR VIROIN is a secondary wastewater treatment plant in Olloy-sur-Viroin, Namur, Belgium, serving approximately 700 people. It discharges treated effluent into the local watershed.
OLLOY SUR VIROIN is a municipal wastewater treatment plant located in Olloy-sur-Viroin, a village in the province of Namur, Wallonia, Belgium. The plant serves a small population of around 700 residents, reflecting its role in a rural community. It is part of the broader wastewater infrastructure managed under Belgian and European regulations. The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 1,890 cubic meters per day, with an average discharge volume of about 125 cubic meters per day, indicating operational headroom. The treated effluent is discharged into the local water system, which ultimately drains into the Meuse River basin. The Meuse flows through Belgium and the Netherlands before reaching the North Sea. The plant's operations help protect downstream water quality and aquatic ecosystems in the region.
Environmental context
The plant discharges into the Meuse River basin, which flows through Wallonia and into the Netherlands, eventually reaching the North Sea. The Meuse supports diverse aquatic life and is an important water resource for the region. The secondary treatment provided helps reduce nutrient and organic pollution, contributing to the ecological health of the river and its downstream environments.
Frequently asked questions
OLLOY SUR VIROIN is located in Olloy-sur-Viroin, a village in the municipality of Viroinval, in the province of Namur, Wallonia, Belgium.
The plant serves approximately 700 people, making it a small-scale municipal treatment facility.
The plant discharges treated effluent into the local water system, which flows into the Meuse River basin and eventually reaches the North Sea.
As a plant serving fewer than 2,000 people, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment (secondary or equivalent) for such agglomerations.
For small agglomerations in Belgium, secondary treatment is standard, often using biological processes like activated sludge or trickling filters to meet EU requirements.
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