Overview
Gross Gerau wastewater treatment plant serves approximately 45,000 people in Groß-Gerau, Hessen, Germany. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
The Gross Gerau wastewater treatment plant is located in Groß-Gerau, a town in the state of Hessen, Germany. Serving a population of approximately 45,000, the plant is part of the municipal infrastructure that manages wastewater from residential and commercial sources in the region. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent between 10,000 and 150,000 are required to provide secondary treatment. As a plant serving 45,000 people, Gross Gerau falls into this category and is expected to meet the directive's standards for biological treatment and nutrient removal where necessary. The treated effluent from the plant is discharged into local watercourses that eventually flow into the Rhine River basin. The Rhine is a major European waterway that drains into the North Sea, supporting diverse aquatic ecosystems and serving as a critical resource for drinking water, agriculture, and industry. The plant's operations help protect the water quality of the Rhine and its tributaries.
Environmental context
The Gross Gerau plant discharges into the local drainage network that feeds into the Rhine River, one of Europe's most important waterways. The Rhine flows through Germany and the Netherlands before emptying into the North Sea. The river supports a rich diversity of fish species, including salmon and eel, and its floodplains provide vital habitats for migratory birds. Maintaining high water quality in this basin is essential for both ecological health and human use, including drinking water abstraction downstream.
Frequently asked questions
The Gross Gerau wastewater treatment plant is located at 9 Neuwiesenweg in Groß-Gerau, in the district of Kreis Groß-Gerau, Hessen, Germany.
The Gross Gerau wastewater treatment plant serves approximately 45,000 people in the town of Groß-Gerau and surrounding areas.
The treated effluent from the Gross Gerau plant is discharged into local watercourses that are part of the Rhine River basin, eventually reaching the North Sea.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent between 10,000 and 150,000, such as Gross Gerau, are required to provide secondary treatment. The directive also mandates more advanced treatment in sensitive areas to protect water quality.
In Germany, wastewater treatment plants serving populations around 45,000 typically employ secondary treatment processes, such as activated sludge, to remove organic matter and nutrients. Many also include tertiary treatment for phosphorus and nitrogen removal to meet strict effluent standards.
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