3 plants indexed.
Mettmann Obschwarzbach is a closed advanced wastewater treatment plant in Mettmann, Nordrhein-Westfalen, Germany. It served a small population of 1,495 with a designed capacity of 2,500 m³/day.
Mettmann wastewater treatment plant serves approximately 34,000 people in Nordrhein-Westfalen, Germany. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Mettmann Metzkausen wastewater treatment plant serves approximately 4,900 residents in Mettmann, Nordrhein-Westfalen, Germany. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerat