Before revision: File:2012-05-28 Fotoflug Cuxhaven Wilhelmshaven DSCF9867 (crop).jpg| Sewage treatment plant (a type of he Wastewater treatment is a process which removes and eliminates contaminants from wastewater and converts this into an effluent that can be returned to the water cycle.
After revision: File:2012-05-28 Fotoflug Cuxhaven Wilwastewater treatment plant) in Cuxhaven, Germanylmshaven DSCF9867 (crop).jpg| Sewage treatment plant (a type of he Wastewater treatment is a process which removes and eliminates contaminants from wastewater and converts this into an effluent that can be returned to the water cycle.