Overview
Grosskrotzenburg wastewater treatment plant serves Hainstadt, Hessen, Germany, treating wastewater for approximately 11,000 residents. The plant operates under the EU Urban Waste Water Treatment Directive.
The Grosskrotzenburg wastewater treatment plant is located in Hainstadt, a district of Hainburg in the Offenbach district of Hessen, Germany. It serves a population of approximately 11,000 people, classifying it as a small to medium agglomeration under EU regulations. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), plants serving between 2,000 and 10,000 population equivalent (PE) require secondary treatment, while those above 10,000 PE must meet additional standards if discharging into sensitive areas. Given its scale, Grosskrotzenburg is expected to provide at least secondary treatment to protect local water quality. The plant discharges treated effluent into the local watershed, which ultimately drains into the Main River, a major tributary of the Rhine. The Rhine basin supports diverse aquatic life and is an important ecological corridor in Europe. Proper treatment helps maintain water quality in this densely populated and industrialized region.
Environmental context
The plant's treated effluent flows into the Main River, which joins the Rhine River downstream. The Rhine basin is a critical freshwater ecosystem supporting migratory fish species and providing drinking water for millions. The region is characterized by intensive agriculture and urban development, making effective wastewater treatment essential to prevent nutrient pollution and protect biodiversity in the river system.
Frequently asked questions
The plant is located in Hainstadt, a district of Hainburg, in the Offenbach district of Hessen, Germany.
The plant serves approximately 11,000 residents, classifying it as a small to medium agglomeration under EU standards.
The plant discharges into the local watershed that drains into the Main River, a major tributary of the Rhine River.
Under the EU UWWTD, plants serving over 10,000 population equivalent are required to provide secondary treatment and may need tertiary treatment if discharging into sensitive areas.
German plants of this scale typically provide at least secondary biological treatment to meet EU standards, with many also incorporating nutrient removal to protect the Rhine basin.
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