2 plants indexed.
Hennef Greuelsiefen is an advanced wastewater treatment plant in Hennef (Sieg), Nordrhein-Westfalen, Germany. It serves a population of 2,437 and discharges treated water into the local Sieg river system.
Hennef wastewater treatment plant serves approximately 53,000 people in Hennef (Sieg), Nordrhein-Westfalen, Germany. It operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment standards.