Overview
UWWTP Retranchement serves 8,673 people in Zeeland, Netherlands. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
UWWTP Retranchement is a municipal wastewater treatment plant located in Retranchement, a village in the municipality of Sluis, Zeeland province, Netherlands. The plant serves a population of approximately 8,673 people, classifying it as a small to medium agglomeration under EU classification. It is situated in a coastal region near the North Sea. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent (PE) between 2,000 and 10,000 are required to have secondary treatment. As the plant serves 8,673 people, it is expected to meet this standard. Dutch wastewater treatment is generally advanced, with many plants incorporating nutrient removal to protect sensitive coastal waters. The treated effluent is discharged into local waterways that drain into the North Sea. The Zeeland region is characterized by a delta environment with estuaries and coastal habitats, making proper wastewater treatment critical for protecting marine ecosystems and shellfish fisheries. The plant contributes to maintaining water quality in the Scheldt estuary and the broader North Sea basin.
Environmental context
The plant discharges into local watercourses that flow into the Western Scheldt estuary, a dynamic tidal system that eventually reaches the North Sea. This estuary supports diverse aquatic life, including migratory fish and shellfish, and is an important ecological corridor. The coastal waters of Zeeland are sensitive to nutrient pollution, which can cause eutrophication and harm marine habitats. Effective treatment at UWWTP Retranchement helps mitigate these risks.
Frequently asked questions
UWWTP Retranchement is located in Retranchement, a village in the municipality of Sluis, Zeeland province, Netherlands. The address is Wachtsluis, Retranchement, 4525 ND.
The plant serves a population of approximately 8,673 people, classifying it as a small to medium agglomeration under EU classification.
The treated effluent is discharged into local waterways that flow into the Western Scheldt estuary and eventually the North Sea. The plant's discharge is regulated under Dutch water quality standards.
As a Dutch plant, UWWTP Retranchement operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. National implementation is enforced by Dutch water authorities.
In the Netherlands, plants of this scale typically provide secondary treatment with nutrient removal (nitrogen and phosphorus) to protect sensitive coastal waters. Many also incorporate advanced treatment steps to meet stringent effluent standards.
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