Overview
KA Bockholt is an advanced wastewater treatment plant in Oersdorf, Niedersachsen, Germany, serving approximately 4,069 people with a designed capacity of 6,000 m³/day.
KA Bockholt is an advanced wastewater treatment plant located in Oersdorf, within the Samtgemeinde Harsefeld in the district of Stade, Niedersachsen, Germany. The plant serves a population of around 4,069 and has a designed capacity of 6,000 m³/day, with a current discharge volume of 551.75 m³/day. As an advanced treatment facility, KA Bockholt goes beyond secondary treatment to remove nutrients such as nitrogen and phosphorus, which is typical for plants in sensitive catchment areas under the EU Urban Waste Water Treatment Directive (91/271/EEC). This directive requires tertiary treatment for agglomerations of this size when discharging into sensitive areas. The plant's treated effluent is discharged into local watercourses that drain into the Elbe River basin, ultimately reaching the North Sea. The region's aquatic ecosystems benefit from the advanced treatment, which helps protect downstream water quality and supports biodiversity in the Elbe estuary and coastal waters.
Environmental context
The plant discharges into the Elbe River basin, which flows into the North Sea. The Elbe estuary is an ecologically sensitive area that supports diverse aquatic life, including migratory fish species. Advanced treatment at KA Bockholt helps reduce nutrient loads, mitigating eutrophication risks in the downstream coastal environment.
Frequently asked questions
KA Bockholt is located in Oersdorf, within the Samtgemeinde Harsefeld in the district of Stade, Niedersachsen, Germany.
The plant serves approximately 4,069 people.
The treated effluent is discharged into local watercourses that are part of the Elbe River basin, which flows into the North Sea.
As an advanced treatment plant serving an agglomeration of about 4,000 people, KA Bockholt complies with the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum and tertiary treatment in sensitive areas.
In Germany, wastewater treatment plants serving populations of this scale typically employ secondary biological treatment, and many also include advanced nutrient removal to meet stringent water quality standards, especially in sensitive catchment areas.
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