Overview
Sonnewalde wastewater treatment plant in Brandenburg, Germany, serves about 4,000 people with advanced treatment. It discharges 260 m³/day and has a designed capacity of 3,500 m³/day.
The Sonnewalde wastewater treatment plant is located in the town of Sonnewalde in the Elbe-Elster district of Brandenburg, Germany. It serves a population of approximately 3,964 people, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive (UWWTD). The plant operates with advanced treatment, which is typical for sensitive areas or where nutrient removal is required to protect receiving waters. Under the EU UWWTD, agglomerations of this size are generally required to provide secondary treatment, but the advanced treatment level at Sonnewalde indicates additional nutrient removal or polishing steps. The plant has a designed capacity of 3,500 m³/day and currently discharges about 260 m³/day, suggesting significant spare capacity. The facility is operated as part of Germany's municipal wastewater infrastructure, which is regulated under national law implementing the UWWTD. The treated effluent is discharged into local watercourses that ultimately drain into the Elbe River basin. The Elbe flows through Germany and into the North Sea, supporting diverse aquatic ecosystems. Advanced treatment helps reduce nutrient loads, protecting downstream water quality in the Elbe and its tributaries.
Environmental context
The plant discharges into local streams that are part of the Elbe River basin. The Elbe flows north through Germany to the North Sea, supporting important fish populations and migratory species. Advanced treatment at Sonnewalde helps minimize nutrient and pollutant loads, contributing to the ecological health of the Elbe estuary and coastal waters.
Frequently asked questions
The Sonnewalde wastewater treatment plant is located in the town of Sonnewalde, in the Elbe-Elster district of Brandenburg, Germany.
The plant serves approximately 3,964 people, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment, often required in sensitive catchment areas.
Under the EU UWWTD, agglomerations of this size (under 10,000 population equivalent) are generally required to have secondary treatment. The advanced treatment at Sonnewalde suggests it is in a sensitive area or has specific discharge requirements.
The plant has a designed capacity of 3,500 m³ per day, with current discharge around 260 m³ per day, indicating significant spare capacity.
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