Overview
Holsted By wastewater treatment plant serves approximately 16,780 people in Holsted, Denmark. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Holsted By is a wastewater treatment plant located in Holsted, a town in the Vejen Municipality of southern Denmark. The facility serves a population of approximately 16,780, classifying it as a medium-sized agglomeration under EU regulations. The plant is situated inland, about 50 km from the coast, and discharges into local watercourses that eventually drain into the North Sea. As a Danish plant serving a population between 10,000 and 100,000, Holsted By is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC). This directive requires secondary treatment for all discharges from agglomerations of this size, with more stringent tertiary treatment if the receiving waters are designated as sensitive areas. Denmark has implemented the directive through national legislation, and the plant is expected to meet these standards to protect the local aquatic environment. The treated effluent from Holsted By flows into the Holsted River system, which is part of the larger Varde River basin. This river network supports diverse aquatic life and eventually reaches the Wadden Sea, a UNESCO World Heritage site known for its tidal flats and migratory bird populations. The plant's operation is crucial for maintaining water quality in this ecologically significant region.
Environmental context
Holsted By discharges into the Holsted River, a tributary of the Varde River, which flows into the Wadden Sea. The Wadden Sea is a shallow tidal basin that supports a rich ecosystem of fish, birds, and marine mammals. The plant's effluent must meet strict nutrient and pollutant limits to prevent eutrophication and protect the sensitive coastal environment. The region is also important for migratory birds, making water quality management critical for biodiversity.
Frequently asked questions
Holsted By is located at 101 Esbjergvej in Holsted, Vejen Municipality, Denmark. It serves the town of Holsted and surrounding areas.
The plant serves approximately 16,780 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the Holsted River, which flows into the Varde River and eventually reaches the Wadden Sea.
As a Danish plant serving over 10,000 people, Holsted By operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment. If the receiving waters are sensitive, tertiary treatment may be needed.
In Denmark, plants of this scale typically provide at least secondary treatment, including biological processes to remove organic matter and nutrients. Many also incorporate phosphorus removal to protect sensitive coastal waters like the Wadden Sea.
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