OSTFILDERN NELLINGEN_PARKSIEDLUNG II Wastewater Treatment Plant, Esslingen am Neckar, Germany

OSTFILDERN NELLINGEN_PARKSIEDLUNG II is an advanced wastewater treatment plant located in the Weil district of Esslingen am Neckar, Baden-Württemberg, Germany. The plant serves a population of 2,650 and has a designed capacity of 4,700 m³/day, with a current discharge volume of 394.91 m³/day. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. As a German facility, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment for agglomerations of this size. The plant's advanced treatment level aligns with the directive's standards for sensitive areas. The treated effluent is discharged into the local water system, which ultimately drains into the Neckar River and then the Rhine River. The Rhine basin is a major European watershed supporting diverse aquatic ecosystems and providing drinking water for millions. The plant's advanced treatment helps protect these downstream environments from nutrient pollution and other contaminants.

The plant discharges into the Neckar River catchment, which flows into the Rhine River and eventually the North Sea. The Neckar and Rhine support diverse aquatic life, including fish species such as salmon and eel. Advanced treatment at this plant reduces nutrient loads, helping to prevent eutrophication in downstream waters and maintaining water quality for ecological and human uses.