Overview
Owschlag wastewater treatment plant in Schleswig-Holstein, Germany, serves about 4,700 people with advanced treatment. It discharges 508 m³/day of treated effluent, with a designed capacity of 7,500 m³/day.
The Owschlag wastewater treatment plant is located in the municipality of Owschlag, within the Hüttener Berge area of Schleswig-Holstein, Germany. It serves a population of approximately 4,700 residents, classifying it as a small to medium agglomeration under German and EU regulations. The plant employs advanced treatment processes, going beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. It has a designed capacity of 7,500 m³/day and currently discharges around 508 m³/day of treated wastewater, indicating significant reserve capacity. The treated effluent is discharged into local watercourses that drain into the Baltic Sea via the Schlei or Eider river systems. The plant's advanced treatment helps protect the sensitive coastal and marine environment of the Baltic Sea, which is subject to eutrophication concerns. Its location more than 10 km inland but within 50 km of the coast underscores its role in safeguarding downstream ecosystems.
Environmental context
The plant discharges into small streams within the Hüttener Berge region, which ultimately flow into the Baltic Sea via the Schlei inlet or the Eider River. The Baltic Sea is a brackish, semi-enclosed sea with limited water exchange, making it vulnerable to nutrient pollution. Advanced treatment at this plant helps reduce nitrogen and phosphorus loads, supporting efforts to combat eutrophication and protect marine biodiversity in the region.
Frequently asked questions
The plant is located in Owschlag, in the Hüttener Berge area of Schleswig-Holstein, Germany, near the Mooshörner Weg in Ramsdorf.
The plant serves approximately 4,700 people, making it a small to medium agglomeration under EU classification.
The plant discharges treated effluent into local streams that drain into the Baltic Sea via the Schlei or Eider river systems.
The plant provides advanced treatment, which goes beyond the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
The plant operates under the German Water Resources Act (WHG) and the EU Urban Waste Water Treatment Directive, which mandate appropriate treatment to protect water quality in sensitive areas like the Baltic Sea.
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