2 plants indexed.
Bielefeld Brake wastewater treatment plant serves approximately 190,000 people in Bielefeld, Nordrhein-Westfalen, Germany. It operates under the EU Urban Waste Water Treatment Directive.
Bielefeld Heepen wastewater treatment plant serves over 100,000 people in Bielefeld, Nordrhein-Westfalen, Germany. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.