Overview
Nidda wastewater treatment plant serves approximately 25,000 people in Hessen, Germany. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
The Nidda wastewater treatment plant is located in the town of Nidda, in the Wetteraukreis district of Hessen, Germany. It serves a population of approximately 25,000 residents, classifying it as a medium-sized agglomeration under EU regulations. As a German facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations with a population equivalent between 10,000 and 150,000. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant's treated effluent is discharged into local water bodies that eventually drain into the Rhine River basin, a major European watershed. The Rhine supports diverse aquatic life and provides drinking water for millions. Proper treatment helps protect downstream ecosystems and water quality.
Environmental context
The Nidda plant discharges into the Nidda River, a tributary of the Main River, which flows into the Rhine. The Rhine basin is a densely populated and industrialized region, making wastewater treatment critical for maintaining water quality. The river supports a variety of fish species and is an important migratory corridor for aquatic life. Protecting this watershed from nutrient pollution and contaminants is essential for ecological health and downstream water use.
Frequently asked questions
The Nidda wastewater treatment plant is located in the town of Nidda, in the Wetteraukreis district of Hessen, Germany.
The plant serves approximately 25,000 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the Nidda River, which flows into the Main River and eventually the Rhine River.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size.
Under the EU directive, plants serving 10,000 to 150,000 population equivalent typically require secondary treatment, with tertiary treatment if discharging into sensitive areas.
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